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Sample records for adenocarcinoma single institutional

  1. Prognostic factors in primary adenocarcinoma of the small intestine: 13-year single institution experience

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    Jacobs Michael J

    2008-01-01

    Full Text Available Abstract Background Adenocarcinoma of the small bowel is a relatively rare malignancy as compared to the other malignancies of the gastrointestinal tract. Nonspecific presentation and infrequent occurrence often leads to a delay in diagnosis and consequent poor prognosis. Various other factors are of prognostic importance while managing these tumors. Methods The medical records of a total of 27 patients treated for adenocarcinoma of the small bowel at Providence Hospital and Medical Centers from year 1990 through 2003 were reviewed retrospectively. Data were analyzed using SPSS software (version 10.0; SPSS, Inc., Chicago, IL. Survival analyses were calculated using the Kaplan Meier method with the log rank test to assess the statistical significance. The socio-demographics (age, gender were calculated using frequency analyses. Results The patients included nine males and eighteen females with a median age at diagnosis of 62 years. Only 48% of the patients had an accurate preoperative diagnosis while another 33% had a diagnosis suspicious of small bowel malignancy. None of the patients presented in stage 1. The cumulative five-year survival was 30% while the median survival was 3.3 years. There was no 30-day mortality in the postoperative period in our series. Conclusion The univariate analysis demonstrated that tumor grade, stage at presentation, lymph nodal metastasis and resection margins were significant predictors of survival.

  2. Trajectory of chemotherapy for patients with EGFR wild-type advanced pulmonary adenocarcinoma: a single-institution retrospective study

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    Minami, Seigo; Ogata, Yoshitaka; Ihara, Shouichi; Yamamoto, Suguru; Komuta, Kiyoshi

    2017-01-01

    Background Pulmonary adenocarcinoma, recently benefited by new cytotoxic and molecularly targeted drugs, has been classified by driver mutations, such as EGFR mutations. The aim of this study was to research the proportions of patients treated with first- to third-line chemotherapy and to find influential factors for the introduction of chemotherapy and survival benefit from chemotherapy. Materials and methods Data were collected retrospectively on patients who met the following criteria: adenocarcinoma, diagnosed between June 2007 and March 2015 at our hospital, stage IIIB or IV, and EGFR wild type. A nonchemotherapy group of patients who did not receive chemotherapy was compared with a chemotherapy group of patients who received it. The patients who had received first- to third-line chemotherapy between June 2007 and November 2015 at our hospital were also analyzed. Results During the study period, 46 patients did not receive chemotherapy, while 148, 89, and 48 received first-, second- and third-line chemotherapy, respectively. As predictive factors for unlikely chemotherapy, multivariate logistic analysis detected Eastern Cooperative Oncology Group (ECOG) performance status (PS) ≥2, hemoglobin <13.2 g/dL, creatinine clearance (Ccr) <50.4 mL/min, and CRP ≥0.53 mg/dL. As factors predicting shorter survival after chemotherapy, multivariate Cox proportional-hazard analyses detected age ≥75 years, ECOG PS ≥2, lower lymphocyte counts, and higher CRP for the first line; female, higher neutrophil counts, lower lymphocyte counts, reduced Ccr, hyponatremia, and shorter interval between first- and second-line chemotherapy for the second line; and age ≥75 years, body mass index <18.5 kg/m2, higher neutrophil counts, lower lymphocyte counts, hyponatremia, higher lactate dehydrogenase, and higher CRP for the third line. Conclusion Approximately 76% of patients were treated with first-line chemotherapy. Of those patients, 61% and 34% proceeded to second- and third

  3. Expression of EGFR and Molecules Downstream to PI3K/Akt, Raf-1-MEK-1-MAP (Erk1/2, and JAK (STAT3 Pathways in Invasive Lung Adenocarcinomas Resected at a Single Institution

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    Alba Fabiola Torres

    2014-01-01

    Full Text Available Therapies targeting EGFR are effective in treating tumors that harbor molecular alterations; however, there is heterogeneity in long-term response to these therapies. We retrospectively analyzed protein expression of EGFR, Stat3, phospho-Akt, and phospho-Erk1/2 by immunohistochemistry in a series of resected cases from a single institution, correlated with clinicopathological variables. There were 96 patients, with the majority of cases being of low stage tumors (17 pT1a, 23 pT1b, 30 pT2a, and 18 pT2b. Histologic subtypes were 45 acinar predominant, 2 cribriform, 25 solid, 7 papillary, 11 lepidic, and 4 mucinous tumors. The EGFR score was higher in tumors with vascular invasion (P=0.013, in solid and cribriform acinar histology, and in high stage tumors (P=0.006 and P=0.01. EGFR was more likely overexpressed in solid compared to lepidic tumors (P=0.02. Acinar tumors had the highest rate of ERK1/2 positivity (19%. There was a strong correlation among positivity for ERCC1 and other markers, including STAT3 (P=0.003, Akt (P=0.02, and ERK1/ERK2 (P=0.0005. Expression of molecules downstream to EGFR varied from 12% to 31% of tumors; however, the expression did not directly correlate to EGFR expression, which may suggest activation of the cascades through different pathways. The correlation of protein expression and the new lung adenocarcinoma classification may help in the understanding of activated pathways of each tumor type, which may act in the oncogenesis and drug resistance of these tumors.

  4. Single cutaneous metastasis of colon adenocarcinoma - Case report*

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    Góes, Heliana Freitas de Oliveira; Lima, Caren dos Santos; de Souza, Mariana Boechat; Estrella, Rogério Ribeiro; Faria, Mônica Ali Novaes; Rochael, Mayra Carrijo

    2016-01-01

    Skin metastases are relatively rare and occur most often when the cancer is already advanced, invading other organs. As to location, they often seem to elect areas located close to the primary tumor, although distant sites, such as the scalp, may be affected with some frequency. We present a case of a 76-year-old woman with colon adenocarcinoma that had a single metastatic lesion on the scalp. PMID:27579752

  5. Prognostic significance of tumor budding and single cell invasion in gastric adenocarcinoma

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    Che K

    2017-02-01

    Full Text Available Keying Che,1,* Yang Zhao,2,3,* Xiao Qu,1 Zhaofei Pang,1 Yang Ni,4 Tiehong Zhang,4 Jiajun Du,1,5 Hongchang Shen4 1Institute of Oncology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, 2Department of Breast Surgery, Key Laboratory of Breast Cancer in Shanghai, Collaborative Innovation Center of Cancer Medicine, Fudan University Shanghai Cancer Center, 3Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 4Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong University, 5Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, People’s Republic of China *These authors contributed equally to this work Purpose: Gastric carcinoma (GC is a highly aggressive cancer and one of the leading causes of cancer-related deaths worldwide. Histopathological evaluation pertaining to invasiveness is likely to provide additional information in relation to patient outcome. In this study, we aimed to evaluate the prognostic significance of tumor budding and single cell invasion in gastric adenocarcinoma.Materials and methods: Hematoxylin and eosin-stained slides generated from 296 gastric adenocarcinoma patients with full clinical and pathological and follow-up information were systematically reviewed. The patients were grouped on the basis of tumor budding, single cell invasion, large cell invasion, mitotic count, and fibrosis. The association between histopathological parameters, different classification systems, and overall survival (OS was statistically analyzed.Results: Among the 296 cases that were analyzed, high-grade tumor budding was observed in 49.0% (145 of them. Single cell invasion and large cell invasion were observed in 62.8% (186 and 16.9% (50 of the cases, respectively. Following univariate analysis, patients with high-grade tumor budding had shorter OS than those with low-grade tumor budding (hazard ratio [HR]: 2.260, P<0

  6. Adjuvant chemo-radiation for gastric adenocarcinoma: an institutional experience

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    Ghosn Marwan G

    2010-06-01

    Full Text Available Abstract Background Studies have shown that surgery alone is less than satisfactory in the management of early gastric cancer, with cure rates approaching 40%. The role of adjuvant therapy was indefinite until three large, randomized controlled trials showed the survival benefit of adjuvant therapy over surgery alone. Chemoradiation therapy has been criticized for its high toxicity. Methods 24 patients diagnosed between September 2001 and July 2007 were treated with adjuvant chemoradiation. 18 patients had the classical MacDonald regimen of 4500 cGy of XRT and chemotherapy with 5-fluorouracil (5FU and leucovorin, while chemotherapy consisted of 5FU/Cisplatin for 6 patients. Results This series consisted of non-metastatic patients, 17 females and 7 males with a median age of 62.5 years. 23 patients (96% had a performance status of 0 or 1. The full course of radiation therapy (4500 cGy was completed by 22 patients (91.7%. Only 7 patients (36.8% completed the total planned courses of chemotherapy. 2 local relapses (10%, 2 regional relapses (10% and 2 distant relapses (10% were recorded. Time to progression has not been reached. 9 patients (37.5% died during follow-up with a median overall survival of 75 months. Patients lost a mean of 4 Kgs during radiation therapy. We recorded 6 episodes of febrile neutropenia and the most frequent toxicity was gastro-intestinal in 17 patients (70.8% with 9 (36% patients suffering grade 3 or 4 toxicity and 5 patients (20% suffering from grade 3 or 4 neutropenia. 4 (17% patients required total parenteral nutrition for a mean duration of 20 days. 4 patients suffered septic shock (17% and 1 patient developed a deep venous thrombosis and a pulmonary embolus. Conclusions Adjuvant chemo-radiation for gastric cancer is a standard at our institution and has resulted in few relapses and an interesting median survival. Toxicity rates were serious and this remains a harsh regimen with only 36.8% of patients completing the

  7. Single- versus Multifraction Stereotactic Body Radiation Therapy for Pancreatic Adenocarcinoma: Outcomes and Toxicity

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    Pollom, Erqi L.; Alagappan, Muthuraman; Eyben, Rie von [Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California (United States); Kunz, Pamela L.; Fisher, George A.; Ford, James A. [Department of Medicine, Stanford University School of Medicine, Stanford, California (United States); Poultsides, George A.; Visser, Brendan C.; Norton, Jeffrey A. [Department of Surgery, Stanford University School of Medicine, Stanford, California (United States); Kamaya, Aya; Cox, Veronica L. [Department of Radiology, Stanford University School of Medicine, Stanford, California (United States); Columbo, Laurie A.; Koong, Albert C. [Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California (United States); Chang, Daniel T., E-mail: dtchang@stanford.edu [Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California (United States)

    2014-11-15

    Purpose: We report updated outcomes of single- versus multifraction stereotactic body radiation therapy (SBRT) for unresectable pancreatic adenocarcinoma. Methods and Materials: We included 167 patients with unresectable pancreatic adenocarcinoma treated at our institution from 2002 to 2013, with 1-fraction (45.5% of patient) or 5-fraction (54.5% of patients) SBRT. The majority of patients (87.5%) received chemotherapy. Results: Median follow-up was 7.9 months (range: 0.1-63.6). The 6- and 12-month cumulative incidence rates (CIR) of local recurrence for patients treated with single-fraction SBRT were 5.3% (95% confidence interval [CI], 0.2%-10.4%) and 9.5% (95% CI, 2.7%-16.2%), respectively. The 6- and 12-month CIR with multifraction SBRT were 3.4% (95% CI, 0.0-7.2%) and 11.7% (95% CI, 4.8%-18.6%), respectively. Median survival from diagnosis for all patients was 13.6 months (95% CI, 12.2-15.0 months). The 6- and 12- month survival rates from SBRT for the single-fraction group were 67.0% (95% CI, 57.2%-78.5%) and 30.8% (95% CI, 21.9%-43.6%), respectively. The 6- and 12- month survival rates for the multifraction group were 75.7% (95% CI, 67.2%-85.3%) and 34.9% (95% CI, 26.1%-46.8%), respectively. There were no differences in CIR or survival rates between the single- and multifraction groups. The 6- and 12-month cumulative incidence rates of gastrointestinal toxicity grade ≥3 were 8.1% (95% CI, 1.8%-14.4%) and 12.3% (95% CI, 4.7%-20.0%), respectively, in the single-fraction group, and both were 5.6% (95% CI, 0.8%-10.5%) in the multifraction group. There were significantly fewer instances of toxicity grade ≥2 with multifraction SBRT (P=.005). Local recurrence and toxicity grade ≥2 were independent predictors of worse survival. Conclusions: Multifraction SBRT for pancreatic cancer significantly reduces gastrointestinal toxicity without compromising local control.

  8. Prognostic significance of tumor budding and single cell invasion in gastric adenocarcinoma

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    Che, Keying; Zhao, Yang; Qu, Xiao; Pang, Zhaofei; Ni, Yang; Zhang, Tiehong; Du, Jiajun; Shen, Hongchang

    2017-01-01

    Purpose Gastric carcinoma (GC) is a highly aggressive cancer and one of the leading causes of cancer-related deaths worldwide. Histopathological evaluation pertaining to invasiveness is likely to provide additional information in relation to patient outcome. In this study, we aimed to evaluate the prognostic significance of tumor budding and single cell invasion in gastric adenocarcinoma. Materials and methods Hematoxylin and eosin-stained slides generated from 296 gastric adenocarcinoma patients with full clinical and pathological and follow-up information were systematically reviewed. The patients were grouped on the basis of tumor budding, single cell invasion, large cell invasion, mitotic count, and fibrosis. The association between histopathological parameters, different classification systems, and overall survival (OS) was statistically analyzed. Results Among the 296 cases that were analyzed, high-grade tumor budding was observed in 49.0% (145) of them. Single cell invasion and large cell invasion were observed in 62.8% (186) and 16.9% (50) of the cases, respectively. Following univariate analysis, patients with high-grade tumor budding had shorter OS than those with low-grade tumor budding (hazard ratio [HR]: 2.260, Ptumor budding and single cell invasion were observed to be independent risk factors for gastric adenocarcinoma (PTumor budding and single cell invasion in gastric adenocarcinoma are associated with an unfavorable prognosis.

  9. Single-Stage Minimally Invasive Surgery for Synchronous Primary Pulmonary Adenocarcinoma and Left Atrial Myxoma.

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    van der Merwe, Johan; Beelen, Roel; Martens, Sebastiaan; Van Praet, Frank

    2015-12-01

    We report the first successful short-term outcome of single-stage combined video-assisted thoracoscopic surgery lobectomy and port access surgery in a patient with operable primary right lower lobe adenocarcinoma and a synchronous cardiac myxoma. The video-assisted thoracic surgery right lower lobectomy with systematic lymph node dissection was performed first, followed by myxoma excision by port access surgery through the same working port incision. The histopathologic analysis confirmed a pT2a N0 M0 R0 (TNM 7th edition) primary poorly differentiated pulmonary adenocarcinoma and a completely excised cardiac myxoma. Postoperative recovery was uneventful, and follow-up at 6 weeks confirmed an excellent surgical and oncologic outcome.

  10. Juvenile nasopharyngeal angiofibroma: A single institution study

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    Mistry Rajesh

    2005-01-01

    Full Text Available BACKGROUND : Juvenile nasopharyngeal angiofibroma (JNA is a rare tumor of adolescent males and there is a paucity of Indian studies on this subject. AIMS : To present the experience of management of JNA at a single institution. SETTING AND DESIGN : This is a retrospective observational study of patients with JNA who presented at the Tata Memorial Hospital between May 1988 and August 2001. MATERIALS AND METHODS : Thirty-two patients with JNA were treated in the study period. Since the time period was prolonged and diagnostic and therapeutic protocols had undergone many changes, the patients were divided into two groups, namely 1988-1996 and 1997-2001. The age distribution, disease patterns, management approaches and treatment outcomes of patients in the two groups were recorded. Statistical analyses were done using students ′t′ test and test for proportion. RESULTS : The mean age at presentation was 16 years and more than 90% of the patients had Stage III or IV disease. Preoperative embolization was carried out in 19 patients. The surgical approaches used were median maxillectomy, infratemporal fossa, transpalatal, maxillary swing and craniofacial approach. The recurrence rate, complete resection rate and cure rates were 12.5%, 41% and 63% respectively. CONCLUSION : Surgery is the mainstay of treatment of JNA. Preoperative embolization and newer surgical approaches result in less blood loss and complete resection. Aggressive re-resection should be done for resectable recurrences reserving radiotherapy for unresectable, recurrent/ residual disease.

  11. Single nucleotide polymorphisms in CRTC1 and BARX1 are associated with esophageal adenocarcinoma

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    van Nistelrooij, Anna M. J.; van der Korput, Hetty A. G. M.; Broer, Linda; van Marion, Ronald; van Berge Henegouwen, Mark I.; van Noesel, Carel J.; Biermann, Katharina; Spaander, Manon C. W.; Tilanus, Hugo W.; van Lanschot, J. Jan B.; Hofman, Albert; Uitterlinden, André G.; Wijnhoven, Bas P. L.; Dinjens, Winand N. M.

    2015-01-01

    Objective: Recently, single nucleotide polymorphisms (SNPs) associated with esophageal adenocarcinoma (EAC) and Barrett's esophagus (BE) were identified; rs10419226 (CRTC1), rs11789015 (BARX1), rs2687201 (FOXP1), rs2178146 (FOXF1), rs3111601 (FOXF1), and rs9936833 (FOXF1). These findings indicate that genetic susceptibility could play a role in the initiation of EAC in BE patients. The aim of this study was to validate the association between these previously identified SNPs and the risk of EAC in an independent and large case–control study. Design: Six SNPs found to be associated with EAC and BE were genotyped by a multiplex SNaPshot analysis in 1071 EAC patients diagnosed and treated in the Netherlands. Allele frequencies were compared to a control group derived from the Rotterdam Study, a population-based prospective cohort study (n = 6206). Logistic regression analysis and meta-analysis were performed to calculate odds ratios (OR). Results: Rs10419226 (CRTC1) showed a significantly increased EAC risk for the minor allele (OR = 1.17, P = 0.001), and rs11789015 (BARX1) showed a significantly decreased risk for the minor allele (OR = 0.85, P = 0.004) in the logistic regression analysis. The meta-analysis of the original GWAS and the current study revealed an improved level of significance for rs10419226 (CRTC1) (OR = 1.18, P = 6.66 × 10–10) and rs11789015 (BARX1) (OR = 0.83, P = 1.13 × 10–8). Conclusions: This independent and large Dutch case–control study confirms the association of rs10419226 (CRTC1) and rs11789015 (BARX1) with the risk of EAC. These findings suggest a contribution of the patient genetic make-up to the development of EAC and might contribute to gain more insight in the etiology of this cancer. PMID:26085818

  12. Single nucleotide polymorphisms in CRTC1 and BARX1 are associated with esophageal adenocarcinoma

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    Anna M. J. van Nistelrooij

    2015-01-01

    Full Text Available Objective: Recently, single nucleotide polymorphisms (SNPs associated with esophageal adenocarcinoma (EAC and Barrett′s esophagus (BE were identified; rs10419226 (CRTC10, rs11789015 (BARX1, rs2687201 (FOXP10, rs2178146 (FOXF1, rs3111601 (FOXF10, and rs9936833 (FOXF1. These findings indicate that genetic susceptibility could play a role in the initiation of EAC in BE patients. The aim of this study was to validate the association between these previously identified SNPs and the risk of EAC in an independent and large case-control study. Design: Six SNPs found to be associated with EAC and BE were genotyped by a multiplex SNaPshot analysis in 1071 EAC patients diagnosed and treated in the Netherlands. Allele frequencies were compared to a control group derived from the Rotterdam Study, a population-based prospective cohort study (n = 6206. Logistic regression analysis and meta-analysis were performed to calculate odds ratios (OR. Results: Rs10419226 (CRTC1 showed a significantly increased EAC risk for the minor allele (OR = 1.17, P = 0.001, and rs11789015 (BARX1 showed a significantly decreased risk for the minor allele (OR = 0.85, P = 0.004 in the logistic regression analysis. The meta-analysis of the original GWAS and the current study revealed an improved level of significance for rs10419226 (CRTC1 (OR = 1.18, P = 6.66 × 10–10 and rs11789015 (BARX1 (OR = 0.83, P = 1.13 × 10–8 . Conclusions: This independent and large Dutch case-control study confirms the association of rs10419226 (CRTC1 and rs11789015 (BARX1 with the risk of EAC. These findings suggest a contribution of the patient genetic make-up to the development of EAC and might contribute to gain more insight in the etiology of this cancer.

  13. Analysis of 300 consecutive cases of pancreatic adenocarcinoma in a single-center in China

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    Han Lin; Yong Ma; Ji-Zhou Wang; Hua-Yang Pan; Lian-Xin Liu; Hai-Quan Qiao; Bei Sun; Hong-Chi Jiang

    2016-01-01

    BACKGROUND: Most of the reports on the prognostic indi-cators of patients with pancreatic adenocarcinoma are from developed countries. The present study focused on the prog-nostic indicators of Chinese patients with pancreatic adeno-carcinoma. METHODS: A total of 300 patients with pancreatic adenocar-cinoma who had undergone curative resection were included. The resection and R0/R1 resection rates for adenocarcinomas from different parts of the pancreas were calculated and clini-cal characteristics were analyzed. RESULTS: In 3427 patients diagnosed with pancreatic adeno-carcinomas, only 300 (8.8%) were eligible for radical resection. The total median survival of these patients was 19 months, and their 1-, 3-, and 5-year survival rates were 72.5%, 28.0%and 23.4%, respectively. The prognostic factors included so-cioeconomic status, smoking history, symptoms, high blood glucose, and various tumor characteristics, including perineu-ral and vascular invasion, lymph node metastases, and CA19-9 levels before and after operation. Operation-associated prog-nostic indicators included operation time, blood loss and transfusions, pancreatic ifstula, and complications. Indepen-dent predictors of mortality included poor socioeconomic sta-tus, smoking history, symptoms, CA19-9, perineural invasion and lymph node metastasis, grade of ifstula and complications. Patient survival was not correlated with either resection mar-gin or adjuvant chemotherapy in multivariate analysis. CONCLUSIONS: The survival rates of patients with curative resection for pancreatic adenocarcinoma in China are close to those in developed countries, but curative resection rate is far below. Socioeconomic status, symptoms, and CA19-9 are the three most prominent prognostic factors, which are helpful in patient selection and perioperative care.

  14. Brain metastases: A single institute experience

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    Asifa Andleeb

    2016-01-01

    Full Text Available Background: Brain metastases represent an important cause of morbidity for cancer patients. Its incidence has increased overall overtime as a consequence of improved detection by magnetic resonance imaging (MRI. However, in Indian literature, scant data are available. At this moment, we have analyzed our data from a single tertiary care center in North India. The purpose of the study was to analyze the clinical profile of patients with brain metastases. A retrospective study from a single tertiary care center. Patients and Methods: A retrospective review of records of all patients who were registered in hospital-based cancer registry and developed brain metastases from June 2011 to June 2013 yielded 95 patients for analyses. Results: Majority of cases were seen in the 6th decade of life. Lung cancer was the most common primary followed by breast. On imaging (computed tomography or MRI, multiple lesions were more common than single. Most of the patients presented with a headache (37.9%. Supratentorial involvement was seen in 87.3% against 12.6% infratentorial involvement. Median time interval from diagnosis of primary and development of brain metastases was 13.8 months. A median survival of only 3 months was seen after development of brain metastases. Conclusion: The present study highlights that brain metastases occur mainly in elderly people with lung being the most common primary malignancy. It is a deadly event with a median survival of only 3 months.

  15. Gender and Leadership Styles in Single-Sex Academic Institutions

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    Taleb, Hanan M.

    2010-01-01

    Purpose: This paper aims to investigate the relationship between gender and female leadership styles in a single-sex academic institution in Saudi Arabia. Design/methodology/approach: Essentially, a qualitative research approach that utilised a single case-study methodology was adopted. As part of this research, seven in-depth semi-structured…

  16. Single-energy low-voltage arterial phase MDCT scanning increases conspicuity of adenocarcinoma of the pancreas

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    Zamboni, Giulia A., E-mail: gzamboni@hotmail.com [Istituto di Radiologia, Policlinico GB Rossi, Azienda Ospedaliera Universitaria Integrata di Verona, P.le LA Scuro 10, 37134 Verona (Italy); Ambrosetti, Maria Chiara, E-mail: mchiara.ambrosetti@gmail.com [Istituto di Radiologia, Policlinico GB Rossi, Azienda Ospedaliera Universitaria Integrata di Verona, P.le LA Scuro 10, 37134 Verona (Italy); Guariglia, Stefania, E-mail: guariglia@gmail.com [U.O. di Fisica Sanitaria, Azienda Ospedaliera Universitaria Integrata di Verona, P.le Stefani 1, 37126 Verona (Italy); Cavedon, Carlo, E-mail: carlo.cavedon@ospedaleuniverona.it [U.O. di Fisica Sanitaria, Azienda Ospedaliera Universitaria Integrata di Verona, P.le Stefani 1, 37126 Verona (Italy); Pozzi Mucelli, Roberto, E-mail: roberto.pozzimucelli@univr.it [Istituto di Radiologia, Policlinico GB Rossi, Azienda Ospedaliera Universitaria Integrata di Verona, P.le LA Scuro 10, 37134 Verona (Italy)

    2014-03-15

    Purpose: To test a single-energy low-voltage CT protocol for pancreatic adenocarcinoma. Methods and materials: A total of 30 patients with pathology-proven pancreatic adenocarcinoma underwent 64-row MDCT with arterial phase at 80 kV and were compared to a similar group of 30 patients scanned with a 120 kV protocol. Scans were compared for quantitative image parameters (attenuation and standard deviation in the pancreas, tumor, aorta), CTDI and DLP using an unpaired t-test. Image noise values for each protocol (SD of the psoas) were compared using an unpaired t-test. Effective dose was calculated for each protocol. CNR (=conspicuity/SDnoise) and FOM (CNR{sup 2}/ED) were calculated. The Catphan600 phantom was used to evaluate image non-uniformity, noise, spatial resolution, and low contrast detectability. Results: Mean patient weight was 68 kg in the study group and 73 kg in the control group (p = 0.0355), while patient diameters at the celiac axis were not significantly different. Mean attenuation was significantly higher at 80 kV in the aorta (517.5 ± 116.4 vs 290.3 ± 76.4 HU) and normal pancreas (154.0 ± 39.95 vs 90.02 ± 19.01 HU) (all p < 0.0001), while no significant difference was observed for adenocarcinoma (61.43 ± 35.61 vs 47.45 ± 18.95; p = n.s.). CTDI and DLP were significantly lower at 80 kV (6.00 ± 0.90 mGy vs 10.24 ± 2.93 mGy, and 180.4 ± 35.49 mGy cm vs 383.8 ± 117 mGy cm, respectively; all p < 0.0001). Tumor conspicuity (HU{sub pancreas} − HU{sub tumor}) was significantly higher at 80 kV (94.2 ± 39.3 vs 39.5 ± 22 HU; p < 0.0001). Mean image noise was significantly higher at 80 kV (28.32 ± 10.06 vs 19.7 ± 7.1 HU; p < 0.0001). Effective dose was significantly lower at 80 kV (1.984 ± 0.39 vs 5.75 ± 1.75 mSv; p < 0.0001). The total DLP for the exam was 1024 ± 31.86 mGy cm for the 80 kV protocol and 1357 ± 62.60 mGy cm for the 120 kV protocol (p < 0.0001). Phantoms showed higher non-uniformity, slightly higher noise, slightly lower MTF

  17. Central airways stenoses management--a single institution experience.

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    Pereszlenyi, A; Majer, I; Janik, M; Demian, J; Igaz, M; Knappkova, S; Eftimova, P; Benej, R; Harustiak, S

    2004-01-01

    Tracheal stenosis is a serious, life-threatening disease with an increasing tendency. The number of complicated tracheal lesions, where resection and anastomosis can not be performed, still increases and the situation requires solution by endoprosthesis. Consequent the management of such complicated obstructive tracheal lesions is individual and time-consuming. The main objective of this study is to review the single institution experience with central airways stenosis treatment and to define the role of endotracheal stenting in tracheal reconstruction surgery. This study presents the retrospective analysis of tracheal stenosis reconstruction by means of our own modification of Montgomery T-tube. (Tab. 3, Fig. 3, Ref. 12.)

  18. Outcome of postoperative radiotherapy following radical prostatectomy: a single institutional experience

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    Lee, Sea Won; Chung, Mi Joo; Jeong, Song Mi; Kim, Sung Hwan; Lee, Jong Hoon [Dept.of Radiation Oncology, St. Vincent' s Hospital, The Catholic University of Korea College of Medicine, Suwon (Korea, Republic of); Hwang, Tae Kon; Hong, Sung Hoo; Lee, Ji Youl; Jang, Hong Seok [Seoul St. Mary' s Hospital, The Catholic University of Korea College of Medicine, Seoul (Korea, Republic of); Yoon, Sei Chul [Dept.of Radiation Oncology, Bucheon St. Mary' s Hospital, The Catholic University of Korea College of Medicine, Bucheon (Korea, Republic of)

    2014-09-15

    This single institutional study is aimed to observe the outcome of patients who received postoperative radiotherapy after radical prostatectomy. A total of 59 men with histologically identified prostate adenocarcinoma who had received postoperative radiation after radical prostatectomy from August 2005 to July 2011 in Seoul St. Mary's Hospital of the Catholic University of Korea, was included. They received 45-50 Gy to the pelvis and boost on the prostate bed was given up to total dose of 63-72 Gy (median, 64.8 Gy) in conventional fractionation. The proportion of patients given hormonal therapy and the pattern in which it was given were analyzed. Primary endpoint was biochemical relapse-free survival (bRFS) after radiotherapy completion. Secondary endpoint was overall survival (OS). Biochemical relapse was defined as a prostate-specific antigen level above 0.2 ng/mL. After median follow-up of 53 months (range, 0 to 104 months), the 5-year bRFS of all patients was estimated 80.4%. The 5-year OS was estimated 96.6%. Patients who were given androgen deprivation therapy had a 5-year bRFS of 95.1% while the ones who were not given any had that of 40.0% (p < 0.01). However, the statistical significance in survival difference did not persist in multivariate analysis. The 3-year actuarial grade 3 chronic toxicity was 1.7% and no grade 3 acute toxicity was observed. The biochemical and toxicity outcome of post-radical prostatectomy radiotherapy in our institution is favorable and comparable to those of other studies.

  19. Validation of the histologic grading for ovarian clear cell adenocarcinoma: a retrospective multi-institutional study by the Japan Clear Cell Carcinoma Study Group.

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    Yamamoto, Sohei; Kasajima, Atsuko; Takano, Masashi; Yaegashi, Nobuo; Fujiwara, Hiroyuki; Kuzuya, Kazuo; Kigawa, Junzo; Tsuda, Hiroshi; Kurachi, Hirohisa; Kikuchi, Yoshihiro; Sugiyama, Toru; Tsuda, Hitoshi; Moriya, Takuya

    2011-03-01

    Pathologic slides from 150 patients with clear cell adenocarcinoma from the collaborating institutions were reviewed independently by 2 pathologists, and each tumor was graded histologically using the Shimizu-Silverberg and International Federation of Gynecology and Obstetrics (FIGO) grading systems. For the Shimizu-Silverberg grading system, 3 parameters-architectural pattern, nuclear pleomorphism, and mitotic activity-were assessed and scored as 1 to 3. When the summed scores of these parameters were 3 to 5, 6 to 7, and 8 to 9, grades 1, 2, and 3 were assigned, respectively. The FIGO grade was based on the ratio of glandular/papillary growth versus solid growth: grade 1, less than 5% solid tumor; grade 2, 5% to 50% solid tumor; grade 3, greater than 50% solid tumor. Interobserver agreement levels for assignment of both gradings were fair (κ=0.32 and 0.24, respectively). After consensus had been acquired, 82 (55%), 56 (37%), and 12 (8%) tumors were classified as grades 1, 2, and 3 by the Shimizu-Silverberg grading system, and 88 (59%), 38 (25%), and 24 (16%) were classified as grades 1, 2, and 3 by the FIGO grading system, respectively. Survival analyses indicated that patients with grade 3 tumors, as defined by both the grading systems, tended to have a poor outcome, but any differences between them were not statistically significant. Multivariate analysis showed that only the presence of residual tumor after initial surgery was an independent prognostic factor for overall survival. These results suggest that the 2 tested grading systems have limited value for the prognostication of patients with clear cell adenocarcinoma, and that a more effective grading system for this tumor may be required.

  20. Candidial Endocarditis: A Single-Institute Pathological Analysis.

    Science.gov (United States)

    Vaideeswar, Pradeep

    2015-08-01

    Infective endocarditis is increasingly perceived as a byproduct of aggressive medications and/or invasive medical procedures. Some of the organisms are fungi, and in this situation, Candida species account for nearly half of all fungal IE. We report a single-institute pathological experience of 14 cases of candidial endocarditis among surgically excised cardiac tissues and autopsied cases in a 14-year period. Twelve of the 14 cases were seen as healthcare-associated invasive infections, and only five had been diagnosed antemortem. Candidial endocarditis was predominantly right-sided and valvular. The risk factors included underlying heart diseases, central venous catheterization and prolonged antibiotic therapy. Mortality among the autopsied patients was related to septicemia and/or embolic complications.

  1. Single nucleotide polymorphism in DNA methyltransferase 3B promoter and its association with gastric cardiac adenocarcinoma in North China

    Institute of Scientific and Technical Information of China (English)

    Yi-Min Wang; Xiu-Feng Zhang; Jian-Hui Zhang; Rui Wang; Deng-Gui Wen; Yan Li; Wei Guo; Na Wang; Li-Zhen Wei; Yu-Tong He; Zhi-Feng Chen

    2005-01-01

    AIM: To investigate the association between single nucleotide polymorphism (SNP)in promoter of the DNA methyltransferase 3B (DNNT3B) gene and risk for development and lymphatic metastasis of gastric cardiac adenocarcinoma (GCA).METHODS: The hospital based case-control study included 212 GCA patients and 294 control subjects without overt cancer. The DNMT3B SNP was genotyped by PCR and restriction fragment length polymorphism (RFLP) analysis. RESULTS: The C/C genotype was not detected in both GCA patients and controls. In control subjects, the frequency of T/T and C/T genotypes was 94.9% and 5.1% respectively,and that of T and C alleles was 97.4% and 2.6%, respectively.The genotype and allelotype distribution in the GCA patients was not significantly different from that in controls (P = 0.34 and 0.33, respectively). When stratified by smoking status and family history of upper gastrointestinal cancer, significant difference in the genotype distribution was not observed between GCA patients and controls. The distribution of DNMT3Bgenotypes in GCA patients with or without lymphatic metastasis did not show significant difference (P = 0.42). CONCLUSION: The distribution of DNMT3BSNP in North China is distinct from that in Caucasians. Although this SNP has been associated with susceptibility to lung, head, neck and breast cancer, it may not be used as a stratification marker to predict susceptibility and lymphatic metastasis of GCA, at least in the population of North China.

  2. Predictors Of Treatment Failure After Radiofrequency Ablation For Intramucosal Adenocarcinoma in Barrett Esophagus: A Multi-institutional Retrospective Cohort Study.

    Science.gov (United States)

    Agoston, Agoston T; Strauss, Adam C; Dulai, Parambir S; Hagen, Catherine E; Muzikansky, Alona; Fudman, David I; Abrams, Julian A; Forcione, David G; Jajoo, Kunal; Saltzman, John R; Odze, Robert D; Lauwers, Gregory Y; Gordon, Stuart R; Lightdale, Charles J; Rothstein, Richard I; Srivastava, Amitabh

    2016-04-01

    Radiofrequency ablation (RFA), with or without endoscopic mucosal resection (EMR), is a safe, effective, and durable treatment option for Barrett esophagus (BE)-associated dysplasia (DYS), but few studies have identified predictors of treatment failure in BE-associated intramucosal adenocarcinoma (IMC). The aim of this study was to determine the rate of IMC eradication when using RFA±EMR and to identify clinical and pathologic predictors of treatment failure. A retrospective review of medical records and a central review of index histologic parameters were performed for 78 patients who underwent RFA±EMR as the primary treatment for biopsy-proven IMC at 4 academic tertiary medical centers. Complete eradication (CE) (absence of IMC/DYS on first follow-up endoscopy) was achieved in 86% of patients, and durable eradication (DE) (CE with no recurrence of IMC/DYS until last follow-up) was achieved in 78% of patients, with significant variation between the 4 study sites (P=0.03 and 0.09 by analysis of variance for DE and CE, respectively). Use of EMR before RFA significantly reduced the risk for treatment failure for IMC/DYS (hazard ratio, 0.15; 95% confidence interval, 0.05-0.48; P=0.001), whereas IMC involving ≥50% of the columnar metaplastic area on index examination significantly increased the risk for treatment failure (hazard ratio, 4.24; 95% confidence interval, 1.53-11.7; P=0.005). Endoscopic and pathologic factors associated with treatment failure in BE-associated IMC treated with RFA±EMR may help identify the subset of IMC patients for whom a more aggressive initial approach may be justified.

  3. Barium appendicitis: A single institution review in Japan

    Science.gov (United States)

    Katagiri, Hideki; Lefor, Alan Kawarai; Kubota, Tadao; Mizokami, Ken

    2016-01-01

    AIM To review clinical experience with barium appendicitis at a single institution. METHODS A retrospective review of patients admitted with a diagnosis of acute appendicitis, from January 1, 2013 to December 31, 2015 was performed. Age, gender, computed tomography (CT) scan findings if available, past history of barium studies, pathology, and the presence of perforation or the development of complications were reviewed. If the CT scan revealed high density material in the appendix, the maximum CT scan radiodensity of the material is measured in Hounsfield units (HU). Barium appendicitis is defined as: (1) patients diagnosed with acute appendicitis; (2) the patient has a history of a prior barium study; and (3) the CT scan shows high density material in the appendix. Patients who meet all three criteria are considered to have barium appendicitis. RESULTS In total, 396 patients were admitted with the diagnosis of acute appendicitis in the study period. Of these, 12 patients (3.0%) met the definition of barium appendicitis. Of these 12 patients, the median CT scan radiodensity of material in the appendix was 10000.8 HU, ranging from 3066 to 23423 HU (± 6288.2). In contrast, the median CT scan radiodensity of fecaliths in the appendix, excluding patients with barium appendicitis, was 393.1 HU, ranging from 98 to 2151 HU (± 382.0). The CT scan radiodensity of material in the appendices of patients with barium appendicitis was significantly higher than in patients with nonbarium fecaliths (P < 0.01). CONCLUSION Barium appendicitis is not rare in Japan. Measurement of the CT scan radiodensity of material in the appendix may differentiate barium appendicitis from routine appendicitis.

  4. Prognostic role of sex steroid receptors in pancreatic adenocarcinoma.

    Science.gov (United States)

    Georgiadou, Despoina; Sergentanis, Theodoros N; Sakellariou, Stratigoula; Vlachodimitropoulos, Dimitris; Psaltopoulou, Theodora; Lazaris, Andreas C; Gounaris, Antonia; Zografos, George C

    2016-01-01

    From the available literature, it is unclear what proportion of pancreatic adenocarcinomas express estrogen receptors (ERα, ERβ), progesterone receptors (PR), and androgen receptors (AR), and if any of these markers have prognostic significance. We aimed to assess (1) the expression and (2) the correlation of the aforementioned markers with clinicopathological parameters and prognosis in patients with pancreatic adenocarcinoma. During a five-year period, 60 patients with pancreatic ductal adenocarcinoma underwent surgical resection at a single institution. Immunohistochemical stains of the studied markers were quantified by Image analysis system. ERα expression was positively associated with PR expression. Moreover, ERβ was inversely associated with the presence of metastases, whereas no significant associations implicated AR. As far as the prognostic significance of the studied receptors is concerned, higher ERα expression correlated with poorer survival at the univariate analysis, but the finding dissipated at the multivariate approach. No significant associations with overall survival were noted regarding the other receptors. The role of sex hormone receptors in the survival from pancreatic adenocarcinoma seems rather limited. Further prospective studies assessing those receptors should ideally be designed in order to confirm our results and possibly outline additional correlations between other steroid receptors and features of pancreatic adenocarcinoma.

  5. Clinicopathologic features and survival of patients with colorectal mucinous, signet-ring cell or non-mucinous adenocarcinoma:experience at an institution in southern China

    Institute of Scientific and Technical Information of China (English)

    SONG Wu; WU Sui-jing; HE Yu-long; CAI Shi-rong; ZHANG Chang-hua; ZHANG Xin-hua; ZHAN Wen-hua

    2009-01-01

    Background Previous studies have shown conflicting results on the relation between clinicopathologic features and prognosis of patients with colorectal mucinous, signet-ring cell, or non-mucinous adenocarcinoma; only few such studies have been performed in China. This retrospective study analyzed data from our department to investigate clinicopathologic characteristics, prognosis and possible correlations of three histologic types -- colorectal mucinous,signet-ring cell, and non-mucinous adenocarcinoma, to clarity the bases for observed differences which may lead to development of targeted therapies Methods Of 2079 patients diagnosed with colorectal cancer between 1994 and 2007, 144 had mucinous, 25 had signet-ring cell, and 1837 had non-mucinous adenocarcinoma. Their clinicopathologic parameters and survival were analyzed using established statistical methodologies.Results Mucinous and signet-ring cell adenocarcinomas were common in younger patients (P <0.001). Location, size and disease stage differed significantly among the three types. Signet-ring cell tumors were more commonly found in the rectum than mucinous and non-mucinous adenocarcinoma (P <0.001). Mucinous and signet-ring cell tumors presented in a later stage in life more often than non-mucinous adenocarcinoma, with lymph node involvement, serosal infiltration, peritoneal dissemination, and adjacent organ invasion (P <0.01). The rate of radical resection, hepatic metastasis and local recurrence did not differ among types (P >0.05). Compared with patients with non-mucinous adenocarcinoma, patients with mucinous and signet-ring cell tumors who underwent potentially curative resections or stage Ⅱ/Ⅲ disease had poorer long-term overall survival. Survival did not differ by type for patients with either stage Ⅰor Ⅳ disease (P >0.05). Conclusions Mucinous and signet-ring cell adenocarcinoma have unique carcinogenesis and similar biologic behavior.Our study confirms that both histologic types

  6. Comparison the treatment effects between simultaneous dual frequency and single frequency irradiation of ultrasound in a murine model of breast adenocarcinoma

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    Mahboobeh Alamolhoda

    2010-12-01

    Full Text Available Introduction: Transient cavitations induced by low frequency irradiation of ultrasound can be used to treat tumors. Previous studies in in-vitro experiments have shown that induced cavitation by dual or multiple frequencies of ultrasound is greater than induced cavitation by single frequency irradiation. In this study, we compared and evaluated the treatment effects of dual frequency irradiation of ultrasound (1 MHz and 150 kHz and single frequency irradiation in in-vivo experiments on breast adenocarcinoma tumors. Material and Method: In this study, the tumor-bearing mice were divided into 5 groups: control, sham, treated group for 30 min with 150 kHz frequency in continuous mode, another group with 1 MHz frequency in pulse mode, and treated group with combined dual frequency ultrasound (150 kHz in continuous mode and 1 MHz in 80% pulse mode. To evaluate the effects of ultrasound irradiation on tumor growth delay, the volumes of the tumors were investigated for 30 days. Tumor growth delay parameters including relative volume, inhibition ratio percentage and the required times for the tumor volume to reach to two (T2 and five (T5 times its initial volume were calculated. Results: The results showed that the treated groups with single frequency irradiation of 150 kHz continuous mode and 1 MHz pulse mode and combined dual frequency had statistically significant differences in tumor relative volume percentage during the period of 3 to 24 days after treatment (p

  7. First Danish single-institution experience with radical prostatectomy

    DEFF Research Database (Denmark)

    Vrang, Marie-Louise; Røder, Martin Andreas; Vainer, Ben

    2012-01-01

    OBJECTIVE: This study aimed to investigate the impact of positive surgical margins (PSMs), stratified by location and extension, on biochemical outcome after radical retropubic prostatectomy (RRP). MATERIAL AND METHODS: The study included data from 605 consecutive patients treated with RRP...... for localized prostate cancer. Patients with node-positive disease were excluded. Biochemical recurrence-free survival was calculated using the Kaplan-Meier method. Univariate and multivariate analysis was used to assess risk factors. RESULTS: The overall PSM rate was 35.4%. Eighty-three per cent (82.......7%) of these had a single PSM, whereas 17.3% of patients had two or more PSMs. Apical PSMs were present in 42.5% and non-apical in 57.5%. The presence of any PSM had a significant impact on the risk of biochemical recurrence (BR) [hazard ratio (HR) = 3.3, p

  8. Radiation Therapy Improves Survival Outcome in Pancreatic Adenocarcinoma: Comparison of a 15-Year Institutional Experience at the University of Nebraska Medical Center with SEER Data

    OpenAIRE

    Baine, Michael J.; Chi Lin

    2014-01-01

    Objectives. We examined the role of radiation therapy (RT) in pancreatic adenocarcinoma (PA) treatment through a 15-year retrospective analysis of patients treated at University of Nebraska Medical Center (UNMC) as well as those from the SEER database. Methods. A total of 561 patients diagnosed with PA at UNMC between 1995 and 2011 and 60,587 patients diagnosed between 1995 and 2009 from the SEER were included. Examined prognostic factors for overall survival (OS) were age, gender, race, stag...

  9. Cavernous sinus hemangioma: a fourteen year single institution experience.

    Science.gov (United States)

    Bansal, Sumit; Suri, Ashish; Singh, Manmohan; Kale, Shashank Sharad; Agarwal, Deepak; Sharma, Manish Singh; Mahapatra, Ashok Kumar; Sharma, Bhawani Shankar

    2014-06-01

    Cavernous sinus hemangioma (CSH) is a rare extra-axial vascular neoplasm that accounts for 2% to 3% of all cavernous sinus tumors. Their location, propensity for profuse bleeding during surgery, and relationship to complex neurovascular structures are factors which present difficulty in excising these lesions. The authors describe their experience of 22 patients with CSH over 14 years at a tertiary care center. Patients were managed with microsurgical resection using a purely extradural transcavernous approach (13 patients) and with Gamma Knife radiosurgery (GKRS; Elekta AB, Stockholm, Sweden) (nine patients). Retrospective data analysis found headache and visual impairment were the most common presenting complaints, followed by facial hypesthesia and diplopia. All but one patient had complete tumor excision in the surgical series. Transient ophthalmoparesis (complete resolution in 6-8 weeks) was the most common surgical complication. In the GKRS group, marked tumor shrinkage (>50% tumor volume reduction) was achieved in two patients, slight shrinkage in five and no change in two patients, with symptom improvement in the majority of patients. To our knowledge, we describe one of the largest series of CSH managed at a single center. Although microsurgical resection using an extradural transcavernous approach is considered the treatment of choice in CSH and allows complete excision with minimal mortality and long-term morbidity, GKRS is an additional tool for treating residual symptomatic lesions or in patients with associated comorbidities making surgical resection unsuitable.

  10. Intraoperative Radiotherapy for Parotid Cancer: A Single-Institution Experience

    Energy Technology Data Exchange (ETDEWEB)

    Zeidan, Youssef H., E-mail: youssefzaidan@gmail.com [Department of Radiation Oncology, Methodist Hospital, Indianapolis, IN (United States); Shiue, Kevin; Weed, Daniel [Department of Radiation Oncology, Methodist Hospital, Indianapolis, IN (United States); Johnstone, Peter A. [Department of Radiation Oncology, Indiana University, Indianapolis, IN (United States); Terry, Colin [Methodist Research Institute, Methodist Hospital, Indianapolis, IN (United States); Freeman, Stephen; Krowiak, Edward; Borrowdale, Robert; Huntley, Tod [CENTA Otolaryngology, Indianapolis, IN (United States); Yeh, Alex [Department of Radiation Oncology, Methodist Hospital, Indianapolis, IN (United States)

    2012-04-01

    Purpose: Our practice policy has been to provide intraoperative radiotherapy (IORT) at resection to patients with head-and-neck malignancies considered to be at high risk of recurrence. The purpose of the present study was to review our experience with the use of IORT for primary or recurrent cancer of the parotid gland. Methods and Materials: Between 1982 and 2007, 96 patients were treated with gross total resection and IORT for primary or recurrent cancer of the parotid gland. The median age was 62.9 years (range, 14.3-88.1). Of the 96 patients, 33 had previously undergone external beam radiotherapy as a component of definitive therapy. Also, 34 patients had positive margins after surgery, and 40 had perineural invasion. IORT was administered as a single fraction of 15 or 20 Gy with 4-6-MeV electrons. The median follow-up period was 5.6 years. Results: Only 1 patient experienced local recurrence, 19 developed regional recurrence, and 12 distant recurrence. The recurrence-free survival rate at 1, 3, and 5 years was 82.0%, 68.5%, and 65.2%, respectively. The 1-, 3-, and 5-year overall survival rate after surgery and IORT was 88.4%, 66.1%, and 56.2%, respectively. No perioperative fatalities occurred. Complications developed in 26 patients and included vascular complications in 7, trismus in 6, fistulas in 4, radiation osteonecrosis in 4, flap necrosis in 2, wound dehiscence in 2, and neuropathy in 1. Of these 26 patients, 12 had recurrent disease, and 8 had undergone external beam radiotherapy before IORT. Conclusions: IORT results in effective local disease control at acceptable levels of toxicity and should be considered for patients with primary or recurrent cancer of the parotid gland.

  11. Characteristics of modern Gleason 9/10 prostate adenocarcinoma: a single tertiary centre experience within the Republic of Ireland.

    LENUS (Irish Health Repository)

    O'Kelly, F

    2014-08-01

    The 2005 international society of urological pathology consensus statement on Gleason grading in prostate cancer revised Gleason scoring in clinical practice. The potential for grade migration with this refinement poses difficulties in interpreting historical series. We report the characteristics of a recent cohort of consecutive Gleason score 9 or 10 prostate cancers in our institution. The purpose of this study was to define the clinicopathologic variables and staging information for this high-risk population, and to identify whether traditional prostate staging techniques are adequate for this subcohort of men.

  12. Epidemiology of epithelial ovarian cancer, a single institution-based study in India

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    Surendra Kumar Saini

    2016-01-01

    Full Text Available Background: Ovarian cancer is the leading cause of mortality among all cancers of female genital tract in countries where effective cervical cancer screening program exists. As the world's population ages, remarkable increase in the total number of ovarian cancer cases are expected. This is preliminary epidemiological study to decide priorities in ovarian cancer research. Materials and Methods: A retrospective study was conducted with primary epithelial ovarian cancer cases registered in J. K. Cancer Institute, Kanpur (Uttar Pradesh, from 2007 to 2009. Patients' age at diagnosis, clinical feature, parity of patients, tumor histological type, Federation of Gynecology and Obstetrics stage, chemotherapy regimens, and overall survival data were collected and analyzed. Results: One hundred and sixty-three cases of primary ovarian epithelial cancer were analyzed. Patients' mean age at diagnosis was 55.98 ± 9.24 (median = 55. Serous adenocarcinoma (49.69% was the most prevalent type of histopathology followed by endometroid (19.1%, mucinous (10.42% and clear cell (4.29%. Combination of taxane and platin was most commonly used first line regimen in newly diagnosed as well as in relapsed patients post 1 year. Survival was not significantly different in various histopathology (log-rank P = 0.7406, but advancing stage demonstrated gradually poor survival (log-rank P < 0.05 when compared with early stage disease. Conclusion: Research efforts should be in the direction to find early diagnostic and effective screening tools as well as better therapeutic approaches for advanced epithelial ovarian cancer.

  13. Single-incision laparoscopic cholecystectomy:Single institution experience and literature review

    Institute of Scientific and Technical Information of China (English)

    Yasumitsu; Hirano; Toru; Watanabe; Tsuneyuki; Uchida; Shuhei; Yoshida; Kanae; Tawaraya; Hideaki; Kato; Osamu; Hosokawa

    2010-01-01

    Single-incision laparoscopic surgery is a rapidly evolving field as a bridge between traditional laparoscopic surgery and natural orifice transluminal endoscopic surgery.We report one of the initial clinical experiences in Japan with this new technique.Four cases of gallbladder diseases were selected for this new technique.A single curved intra-umbilical 25-mm incision was made by pulling out the umbilicus.A 12-mm trocar was placed through an open approach,and the abdominal cavity was explored with a 10-mm ...

  14. Adenocarcinoma of the uterine cervix.

    Science.gov (United States)

    Rutledge, F N; Galakatos, A E; Wharton, J T; Smith, J P

    1975-05-01

    From January 1, 1947, through December 31, 1971, 219 patients with primary adenocarcinoma of the intact uterine cervix were treated at the M.D. Anderson Hospital and Tumor Institute. Two modes of therapy were primarily used, namely, irradiationtherapy alone and irradiation therapy plus operation. The 5 year survival resultsare 83.7 per cent for patients with Stage i disease, 48.0 per cent for patients with Stage ii disease, 29.2 per cent for patients with Stage iii disease, and 0.0 per cent for patients with Stage iv disease. The group with irradiation plus operation had a better over-all survival rate. In addition, the incidence of central and pelvic recurrent disease was remarkably lower (fourfold difference). The urologic and bowel complications are discussed. This review lends support for our practice of preoperative irradiation followed by simple (constructive) hysterectomy for selected patients eith adenocarcinoma of the uterine cervix.

  15. Radiation Therapy Improves Survival Outcome in Pancreatic Adenocarcinoma: Comparison of a 15-Year Institutional Experience at the University of Nebraska Medical Center with SEER Data

    Directory of Open Access Journals (Sweden)

    Michael J. Baine

    2014-01-01

    Full Text Available Objectives. We examined the role of radiation therapy (RT in pancreatic adenocarcinoma (PA treatment through a 15-year retrospective analysis of patients treated at University of Nebraska Medical Center (UNMC as well as those from the SEER database. Methods. A total of 561 patients diagnosed with PA at UNMC between 1995 and 2011 and 60,587 patients diagnosed between 1995 and 2009 from the SEER were included. Examined prognostic factors for overall survival (OS were age, gender, race, stage, year of diagnosis, and treatment with surgery, chemotherapy (CT, or RT. Time to death was plotted by Kaplan-Meier method. A Cox proportional hazards model was used to evaluate prognostic factors for OS. Results. The median OS was 7.3 and 5 months for patients from UNMC and the SEER database, respectively. A Cox model of patients from UNMC showed that RT was associated with improved OS (HR 0.77, P=0.018 after adjusting for factors including age, race, gender, stage, year of diagnosis, having surgery, or having CT. Cox analysis of patients from the SEER showed similar results (HR 0.65, P<0.0001. Conclusions. RT confers an independent survival advantage in patients being treated for PA which is apparent both at UNMC and through SEER data.

  16. SILC for SILC: Single Institution Learning Curve for Single-Incision Laparoscopic Cholecystectomy

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    Chee Wei Tay

    2013-01-01

    Full Text Available Objectives. We report the single-incision laparoscopic cholecystectomy (SILC learning experience of 2 hepatobiliary surgeons and the factors that could influence the learning curve of SILC. Methods. Patients who underwent SILC by Surgeons A and B were studied retrospectively. Operating time, conversion rate, reason for conversion, identity of first assistants, and their experience with previous laparoscopic cholecystectomy (LC were analysed. CUSUM analysis is used to identify learning curve. Results. Hundred and nineteen SILC cases were performed by Surgeons A and B, respectively. Eight cases required additional port. In CUSUM analysis, most conversion occurred during the first 19 cases. Operating time was significantly lower (62.5 versus 90.6 min, P = 0.04 after the learning curve has been overcome. Operating time decreases as the experience increases, especially Surgeon B. Most conversions are due to adhesion at Calot’s triangle. Acute cholecystitis, patients’ BMI, and previous surgery do not seem to influence conversion rate. Mean operating times of cases assisted by first assistant with and without LC experience were 48 and 74 minutes, respectively (P = 0.004. Conclusion. Nineteen cases are needed to overcome the learning curve of SILC. Team work, assistant with CLC experience, and appropriate equipment and technique are the important factors in performing SILC.

  17. Synchronous rectal adenocarcinoma and anal canal adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    GU Jin; LI Jiyou; YAO Yunfeng; LU Aiping; WANG Hongyi

    2007-01-01

    It is difficult to distinguish a tectal carcinoma with anal metastases from coexistent synchronous anorectal carcinomas.The therapeutic strategy for rectal and anal carcinoma is so different that it should be clearly identified.Here,we report on the case of a 63-year-old man who presented with an upper-third rectal adenocarcinoma.Five months after resection,he developed an adenocarcinoma in the anal canal.The histological slides of both tumors were reviewed and immunohistochemical studies for cytokeratins(CKs)7 and 20 were performed.The index tumor demonstrated CK 7-/CK 20+and the second showed CK7+/CK20+.For this reason,we believe the present case had synchronous adenocarcinomas arising from anal canal and the rectum separately.It is very important to difierentiate the anorectal lesions pathologically because of the impact on the therapeutic options available,especially for the lesion arising in the anal canal.

  18. Orthovoltage intraoperative radiation therapy for pancreatic adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Kapp Daniel S

    2010-11-01

    Full Text Available Abstract Purpose To analyze the outcomes of patients from a single institution treated with surgery and orthovoltage intraoperative radiotherapy (IORT for pancreatic adenocarcinoma. Methods We retrospectively reviewed 23 consecutive patients from 1990-2001 treated with IORT to 23 discrete sites with median and mean follow up of 6.5 and 21 months, respectively. Most tumors were located in the head of the pancreas (83% and sites irradiated included: tumor bed (57%, vessels (26%, both the tumor bed/vessels (13% and other (4%. The majority of patients (83% had IORT at the time of their definitive surgery. Three patients had preoperative chemoradiation (13%. Orthovoltage X-rays (200-250 kVp were employed via individually sized and beveled cone applicators. Additional mean clinical characteristics include: age 64 (range 41-81; tumor size 4 cm (range 1.4-11; and IORT dose 1106 cGy (range 600-1500. Post-operative external beam radiation (EBRT or chemotherapy was given to 65% and 76% of the assessable patients, respectively. Outcomes measured were infield control (IFC, loco-regional control (LRC, distant metastasis free survival (DMFS, overall survival (OS and treatment-related complications. Results Kaplan-Meier (KM 2-year IFC, LRC, DMFS and OS probabilities for the whole group were 83%, 61%, 26%, and 27%, respectively. Our cohort had three grade 3-5 complications associated with treatment (surgery and IORT. Conclusions Orthovoltage IORT following tumor reductive surgery is reasonably well tolerated and seems to confer in-field control in carefully selected patients. However, distant metastases remain the major problem for patients with pancreatic adenocarcinoma.

  19. Follistatin is a novel biomarker for lung adenocarcinoma in humans.

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    Fangfang Chen

    Full Text Available Follistatin (FST, a single chain glycoprotein, is originally isolated from follicular fluid of ovary. Previous studies have revealed that serum FST served as a biomarker for pregnancy and ovarian mucinous tumor. However, whether FST can serve as a biomarker for diagnosis in lung adenocarcinoma of humans remains unclear.The study population consisted of 80 patients with lung adenocarcinoma, 40 patients with ovarian adenocarcinoma and 80 healthy subjects. Serum FST levels in patients and healthy subjects were measured using ELISA. The results showed that the positive ratio of serum FST levels was 51.3% (41/80, which was comparable to the sensitivity of FST in 40 patients with ovarian adenocarcinoma (60%, 24/40 using the 95th confidence interval for the healthy subject group as the cut-off value. FST expressions in lung adenocarcinoma were examined by immunohistochemical staining, we found that lung adenocarcinoma could produce FST and there was positive correlation between the level of FST expression and the differential degree of lung adenocarcinoma. Furthermore, the results showed that primary cultured lung adenocarcinoma cells could secrete FST, while cells derived from non-tumor lung tissues almost did not produce FST. In addition, the results of CCK8 assay and flow cytometry showed that using anti-FST monoclonal antibody to neutralize endogenous FST significantly augmented activin A-induced lung adenocarcinoma cells apoptosis.These data indicate that lung adenocarcinoma cells can secret FST into serum, which may be beneficial to the survival of adenocarcinoma cells by neutralizing activin A action. Thus, FST can serve as a promising biomarker for diagnosis of lung adenocarcinoma and a useful biotherapy target for lung adenocarcinoma.

  20. An analysis of salivary gland neoplasms: a 12-year, single-institution experience in Turkey.

    Science.gov (United States)

    Etit, Demet; Ekinci, Nese; Tan, Ayca; Altinel, Deniz; Dag, Filiz

    2012-03-01

    The epidemiology of salivary gland tumors worldwide is not very well defined. Although many studies on this subject have been undertaken, the data are generally focused on specific topics such as parotid gland neoplasms or tumors of the major salivary glands. We conducted a study to establish the prevalence and distribution of benign and malignant neoplasms of both the major and minor salivary glands at a single institution. We reviewed 244,204 cases that had come through our pathology department from January 1994 through December 2005 and found 235 cases of a salivary gland neoplasm (0.09%). The female-to-male ratio was 1.04:1, and the mean age of the patients was 47 years. Of the 235 neoplasms, 159 (67.66%) were located in the parotid gland, 34 (14.47%) in the submandibular gland, and 42 (17.87%) in the minor salivary glands. A total of 146 tumors (62.13%) were benign and 89 (37.87%) were malignant. Pleomorphic adenoma was the most common neoplasm, occurring in 98 cases (41.70%). The most common malignancy was mucoepidermoid carcinoma, with 27 cases (11.49%). Our data demonstrate that the characteristics of salivary gland tumors in a Turkish population at a single institution are similar to those reported in the literature worldwide.

  1. POOR HEMOPOIETIC STEM CELL MOBILIZERS IN MULTIPLE MYELOMA : A SINGLE INSTITUTION EXPERIENCE

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    Guillermo Jose Ruiz-Delgado

    2010-06-01

    Full Text Available In a single institution, in a group of 28 myeloma patients deemed eligible for autologous transplant, stem cell mobilization was attempted using filgrastim: 26 individuals were given 31 autografts employing 1-4 (median three apheresis sessions, to obtain a target stem cell dose of 1 x 106 CD34 viable cells / Kg of the recipient. The median number of grafted CD34 cells was 7.56 x 106  / Kg of the recipient; the range being 0.92 to 14.8.  By defining as poor mobilizers individuals in which a cell collection of 1 x 106 CD34 viable cells / Kg was better (80% at 80 months than those grafted with < 1 x 106 CD34 viable cells / Kg (67% at 76 months. Methods to improve stem cell mobilization are needed and may result in obtaining better results when autografting multiple myeloma patients.

  2. CLINICOPATHOLOGICAL AND IMMUNOHISTOCHEMICAL PROFILE OF ENDOCERVICAL ADENOCARCINOMA

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    Arockiasamy Babiya Infant

    2016-07-01

    Full Text Available BACKGROUND Primary adenocarcinoma of cervix constitutes 10-15% of all cases of carcinoma of cervix, which is the second most common carcinoma next to squamous cell carcinoma. Endocervical adenocarcinoma have a considerable morphological overlap with endometrial adenocarcinoma though they differ in their aetiologies, behaviour, and treatments. This makes their diagnosis very difficult particularly in biopsy or curetting specimens or when a fractional dilation and curettage specimens show adenocarcinoma in both components of it. This study was done in the aim to suggest the possible origin of the tumour with the help of immunohistochemistry. AIMS AND OBJECTIVES To identify the incidence, distribution, clinicopathological, histomorphological features of endocervical adenocarcinomas and to determine the immunohistochemical expression of CEA, Vimentin, ER and PR in endometrioid type of adenocarcinoma detected in endocervical biopsies, fractional dilation and curettage specimens (Both the components showing similar morphology, and in hysterectomy specimens to suggest the site of origin of tumour. MATERIALS AND METHODS It is a retrospective descriptive study of cervical adenocarcinomas conducted in the Institute of Obstetrics and Gynaecology, Madras Medical College, Chennai for a period of 4 years during the period between 2009 November to 2013 October. The statistical analysis was performed using statistical package for social science software version 11.5 the clinicopathological profile of the tumour were calculated using Student t-test and chi-square test. OBSERVATION AND RESULTS Among the total 13499 cases received during the study period, 2489 were cervical malignancies comprising 148 adenocarcinoma. It includes 101 mucinous (Endocervical type, 44 endometrioid type, 2 serous type, and 1 clear cell type. Among the 30 cases of endometrioid type, 16 cases showed definite immunophenotype of cervical origin, 9 cases of endometrial origin and in the

  3. Adjuvant postoperative radiochemotherapy for patients with gastric carcinoma: a single institution experience

    Institute of Scientific and Technical Information of China (English)

    Manal El-Baradie; Ola Khorshid; Ahmed Touny

    2012-01-01

    Objective: The suboptimal outcome after surgery alone for gastric cancer indicated the necessity of adjuvant treatment for potentially resectable carcinoma of the stomach. In 2001, postoperative adjuvant radiochemotherapy started to be implemented in the NCI, Cairo, Egypt. However, the fear of the acute complication hindered its use as a standard treat-ment with some staff didn't follow the SWAG's adjuvant protocol. The aim of this report is to verify this issue. Methods: In the period from 1999 to 2009, 320 out of 581 patients with gastric carcinoma, underdid potentially curative surgery. Adjuvant postoperative radiochemotherapy for stage ≥ IIA started since 2001. Radiation (45 Gy, 1.8 Gy/f) was targeted to the tumor bed, anastomosis site, duodenal stump, remnant stomach and regional lymph node together with 4–5 cycles chemotherapy (SWOG protocol). Survival analysis was performed and comparison between survival curves was done to analysis different prognostic factors. Results: The patients' age ranged from 17 to 86 years [mean (54 ± 12.5) years]. About 1/3 of the patients had a diffuse lesion. Adenocarcinoma was the most common pathology (60.4%). High grade pathology constituted 59.1% of the cases. About one fifth of the patients had metastatic disease at presentation. Only 351 (75%) of the patients had potentially curative gastrectomy. The median number of lymph node (LN) dissected was 12 (ranged from 0–45) with a median number of the positive LN of 3.5 (ranged from 0–40). Postoperative mortality was 12%. The median follow up period was 21.9 months (ranged from 3–129.4 months). For the 257 patients who had curative surgery, 164 (62.8%) patients were alive at the end of follow up. During follow up period, 30 patients had loco-regional relapse, and 26 patients had metastasis, and 39 patients had both pattern of failure. The overall survival (OS), loco-regional control (LRC), and metastasis free survival (MFS) rates, at median follow up period of 22

  4. Synchronous gastric adenocarcinoma and pancreatic ductal adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Mirko Muroni; Francesco D'Angelo; Massimo Pezzatini; Simone Sebastiani; Samantha Noto; Emanuela Pilozzi; Giovanni Ramacciato

    2010-01-01

    BACKGROUND: The association between gastric and pancreatic carcinoma is a relatively rare condition. In gastric carcinoma patients, the prevalence of second tumors varies 2.8% to 6.8% according to the reported statistics. Gastric cancer associated with pancreatic cancer is uncommon. METHODS: We report a case of a 73-year-old patient hospitalized for vomiting and weight loss. Esophagogastro-duodenoscopy demonstrated an ulcerative lesion of the gastric antrum. Computed tomography and magnetic resonance showed a gastric thickening in the antral and pyloric portion and a nodular mass (3×1.7 cm) in the uncinate portion of the pancreas. RESULTS: The patient underwent pancreaticoduoden-ectomy according to Whipple regional typeⅠFortner. Histological examination of the specimen demonstrated a moderately differentiated adenocarcinoma of the stomach and a poorly differentiated ductal adenocarcinoma of the pancreas. CONCLUSIONS: Long survival is rare in patients with associated gastric and pancreatic cancer. Surgical resection remains the only potentially curative treatment.

  5. Deep sequence analysis of non-small cell lung cancer: Integrated analysis of gene expression, alternative splicing, and single nucleotide variations in lung adenocarcinomas with and without oncogenic KRAS mutations

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    Krishna R Kalari

    2012-02-01

    Full Text Available KRAS mutations are highly prevalent in non-small cell lung cancer (NSCLC, and tumors harboring these mutations tend to be aggressive and resistant to chemotherapy. We used next-generation sequencing technology to identify pathways that are specifically altered in lung tumors harboring a KRAS mutation. Paired-end RNA-sequencing of 15 primary lung adenocarcinoma tumors (8 harboring mutant KRAS and 7 with wild-type KRAS were performed. Sequences were mapped to the human genome, and genomic features, including differentially expressed genes, alternate splicing isoforms and single nucleotide variants, were determined for tumors with and without KRAS mutation using a variety of computational methods. Network analysis was carried out on genes showing differential expression (374 genes, alternate splicing (259 genes and SNV-related changes (65 genes in NSCLC tumors harboring a KRAS mutation. Genes exhibiting two or more connections from the lung adenocarcinoma network were used to carry out integrated pathway analysis. The most significant signaling pathways identified through this analysis were the NFkB, ERK1/2 and AKT pathways. A 27 gene mutant KRAS-specific sub network was extracted based on gene-gene connections within the integrated network, and interrogated for druggable targets. Our results confirm previous evidence that mutant KRAS tumors exhibit activated NFkB, ERK1/2 and AKT pathways and may be preferentially sensitive to target therapeutics toward these pathways. In addition, our analysis indicates novel, previously unappreciated links between mutant KRAS and the TNFR and PPARγ signaling pathways, suggesting that targeted PPARγ antagonists and TNFR inhibitors may be useful therapeutic strategies for treatment of mutant KRAS lung tumors. Our study is the first to integrate genomic features from RNA-Seq data from NSCLC and to define a first draft genomic landscape model that is unique to tumors with oncogenic KRAS mutations.

  6. CARCINOMA LUNG AMONG SOUTH INDIAN FEMALE PATIENTS: A SINGLE INSTITUTE EPIDEMIOLOGICAL STUDY

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    Sanjeeva Kumari

    2015-07-01

    Full Text Available INTRODUCTI ON: Lung cancer is the major cause of morbidity and mortality worldwide, accounting for more deaths than any other cancer cause. The data on Indian female lung cancer patients is very sparse. So the aim of our study was to analyze the epidemiology and clinical behavior of lung cancer in female patients. METHODS: A total of 244 female lung cancer patients treated at MNJIO/RCC from 2010 to 2014 were evaluated retrospectively for the epidemiology and clinical behavior. RESULTS: The median age at presentation is 56 years and majority were post - menopausal. Majority of the patients were non - smokers (75%. ECOG PS 0,1,2,3 and 4 was seen in 0.55%, 12.15%, 33.14%, 44.19% and 9.94% of the patients respectively. NSCLC was seen in about 80% of the patients. Among the NSCLC, adenocarcinoma was seen on 61%. The TNM stage at presentation was stage II, III and IV in 1%, 6% and 92% of the patients respectively. Most common site of metastasis was pleura and malignant pleural effusion (57% followed by bone metastasis (24%. Major ity of the patients were stage IV and treated with palliative intent (77%. Among patients treated with chemotherapy only 14% completed planned treatment. But among patients planned with radical CT and RT, 75% completed treatment. At the time of conclusion of the study only 13 (7.18% were alive and on follow - up. DISCUSSION & CONCLUS ION: Carcinoma lung in the female South Indian patients is similar in the mean age at presentation to other studies from North India. Majority of the patients in our study were non - smokers, much higher than other studies. NSCLC was common, with adenocarcinoma as the most common subtype. The trend of a shift from squamous cell carcinoma to adenocarcinoma mentioned in western population is confirmed in our study. Pattern of metasta ses is slightly different among Indian female lung cancer patients, with majority having metastasis to pleura or malignant pleural effusion. In our study majority had

  7. Apocrine adenocarcinoma of the vulva

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    Babita Kajal

    2013-09-01

    Full Text Available Cutaneous vulvar carcinomas are predominantly of squamous cell carcinoma type. Primary vulvar adenocarcinomas are rare with a poorly understood histogenesis. They are classified into extramammary Paget’s disease, sweat gland carcinomas, and breast-like adenocarcinomas of the vulva. Adenocarcinomas, originating from Bartholin glands, can also present as vulvar adenocarcinoma. Rare adenocarcinomas with apocrine features have been described in the literature. The origin of these neoplasms from the native apocrine sweat glands or from anogenital mammary-like glands is still debatable. We report herein a case of a 67 year old female with a rare primary apocrine carcinoma of the vulva.

  8. Activity and toxicity of 2-CDA in Langerhans cell histiocytosis: A single institutional experience

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    Biswas G

    2007-01-01

    Full Text Available Background : Langerhans cell histiocytosis (LCH is a rare disorder characterized by clonal proliferation of immature and abnormal bone marrow derived langerhans cells. Treatment is usually multimodal. Potent anti-monocyte as well as immunomodulatory activity of 2-CDA and its proven efficacy in many lymphoproliferative disorders has made 2-CDA a rational choice in treatment of LCH. Aim : To evaluate the efficacy and toxicity profile of 2-CDA in children with relapsed or refractory LCH. Setting and Design : This is a pilot study and we present the initial data of the first seven patients treated at our institution. Materials and Methods : Seven patients of relapsed and refractory LCH were enrolled from July 2000 to June 2004. The cohort of seven patients included six males and one female with a median age at initiation of cladribine was 2.25 years (range, 1.67 to 7.0 years. Three patients had received one prior chemotherapy regimen while the rest were heavily pretreated. Cladribine was administered over two hours IV daily for five days and repeated every four weeks. Results : After a median of six courses of cladribine (range, 2 to 9, two (33% patients achieved PR and two (33% patients have SD on imaging but are clinically better. None experienced grade 3 or 4 hematologic toxicity. At a median follow-up of 19 months (range, 8 to 52 months, five patients remain alive and one patient has died. Conclusion : Our study shows that single agent 2-CDA is active and well-tolerated in children with relapsed or refractory LCH.

  9. Clinico-biologic profile of Langerhans cell histiocytosis: A single institutional study

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    Narula G

    2007-01-01

    Full Text Available Context: Langerhans cell histiocytosis (LCH is a rare atypical cellular disorder characterized by clonal proliferation of Langerhans cells leading to myriad clinical presentations and highly variable outcomes. There is a paucity of Indian studies on this subject. Aim: To present the experience of management of LCH at a single institution. Settings and Design: This is a retrospective observational study of patients with LCH who presented at the Tata Memorial Hospital between January 1987 and December 2002. Materials and Methods: Fifty-two patients with LCH were treated in the study period. Due to the long observation period and variability in diagnostic and therapeutic protocols, the patients were risk-stratified based on present criteria. The disease pattern, management approaches and treatment outcomes of patients were recorded. Statistical Analysis Used: Statistical analyses were done using Student′s ′t′ test, test for proportion and survival estimates based on the Kaplan-Meier method. Results: The median age at presentation was 3 years and more than 48% of the patients had Group I disease. Skeleton, skin and lymphoreticular system were the commonly involved organs. Majority (80% required some form of therapy. The projected overall survival is 63% at 10 years and mean survival is 118 months. Seventeen percent of surviving patients developed long-term sequelae. Conclusions: The clinico-biologic profile of LCH patients in India is largely similar to international patterns except a higher incidence of lymphoreticular involvement. Majority of the patients respond favorably to therapy and have a good outcome, except a subset of Group I patients who warrant enrolment in clinical trials with innovative therapeutic strategies to improve outcome.

  10. Surgical management of Wilms tumor with intravascular extension: a single-institution experience.

    Science.gov (United States)

    Aspiazu, Diego; Fernandez-Pineda, Israel; Cabello, Rosa; Ramirez, Gema; Alvarez-Madrid, Antonio; De Agustin, Juan Carlos

    2012-02-01

    The purpose of this study was to retrospectively analyze the clinical presentation, treatment, and outcomes of children with Wilms tumor (WT) and intravascular extension who were treated at a single institution. A retrospective review was conducted of medical records of all children with Wilms tumor and intravascular extension treated at Virgen del Rocio Children's Hospital between 1992 and 2010. Seven patients (median age 3.4 years, range 2-8.1 years) were identified. At diagnosis, 6 of the 7 patients (85.7%) presented with tumor thrombus that reached the right atrium (RA) and 1 patient with infrahepatic inferior vena cava (IVC) thrombus. All patients received neoadjuvant chemotherapy (SIOP 2001 protocol) with vincristine, doxorubicin, and actinomycin D. Regression of the intravascular extension of the tumor was documented in all patients. Postchemotherapy level of extension was suprahepatic IVC in 1 patient, infrahepatic IVC in 2 patients, renal vein (RV) in 1 patient, and RA in 3 patients. Nephrectomy and thrombectomy were performed in all cases, requiring cardiopulmonary bypass for the 4 patients who presented with suprahepatic IVC and RA thrombus. The other 3 patients with infrahepatic IVC and RV involvement underwent cavotomy and thrombus extraction. Computed tomography, ultrasonography, and echocardiography were used for diagnosis and follow-up. All patients remain disease-free with a median follow-up of 6.3 years (range, 2-19 years). Neoadjuvant chemotherapy for WT with intravascular extension may facilitate the resection by decreasing the extent of the tumor thrombus. Cardiopulmonary bypass is indicated for suprahepatic IVC and RA involvement. Accurate diagnostic imaging is necessary.

  11. Epidemiology and risk factors for oesophageal adenocarcinoma.

    Science.gov (United States)

    Lepage, Côme; Drouillard, Antoine; Jouve, Jean-Louis; Faivre, Jean

    2013-08-01

    Oesophageal adenocarcinoma will soon cease to be a rare form of cancer for people born after 1940. In many Western countries, its incidence has increased more rapidly than other digestive cancers. Incidence started increasing in the Seventies in England and USA, 15 years later in Western Europe and Australia. The cumulative risk between the ages of 15 and 74 is particularly striking in the UK, with a tenfold increase in men and fivefold increase in women in little more than a single generation. Prognosis is poor with a 5-year relative survival rate of less than 10%. The main known risk factors are gastro-oesophageal reflux, obesity (predominantly mediated by intra-abdominal adipose tissues) and smoking. Barrett's oesophagus is a precancerous lesion, however, the risk of degeneration has been overestimated. In population-based studies the annual risk of adenocarcinoma varied between 0.12% and 0.14% and its incidence between 1.2 and 1.4 per 1000 person-years. Only 5% of subjects with Barrett's oesophagus die of oesophageal adenocarcinoma. On the basis of recent epidemiological data, new surveillance strategies should be developed. The purpose of this review is to focus on the epidemiology and risk factors of oesophageal adenocarcinoma.

  12. Novel Method for Differentiating Histological Types of Gastric Adenocarcinoma by Using Confocal Raman Microspectroscopy.

    Science.gov (United States)

    Hsu, Chih-Wei; Huang, Chia-Chi; Sheu, Jeng-Horng; Lin, Chia-Wen; Lin, Lien-Fu; Jin, Jong-Shiaw; Chau, Lai-Kwan; Chen, Wenlung

    2016-01-01

    Gastric adenocarcinoma, a single heterogeneous disease with multiple epidemiological and histopathological characteristics, accounts for approximately 10% of cancers worldwide. It is categorized into four histological types: papillary adenocarcinoma (PAC), tubular adenocarcinoma (TAC), mucinous adenocarcinoma (MAC), and signet ring cell adenocarcinoma (SRC). Effective differentiation of the four types of adenocarcinoma will greatly improve the treatment of gastric adenocarcinoma to increase its five-year survival rate. We reported here the differentiation of the four histological types of gastric adenocarcinoma from the molecularly structural viewpoint of confocal Raman microspectroscopy. In total, 79 patients underwent laparoscopic or open radical gastrectomy during 2008-2011: 21 for signet ring cell carcinoma, 21 for tubular adenocarcinoma, 14 for papillary adenocarcinoma, 6 for mucinous carcinoma, and 17 for normal gastric mucosas obtained from patients underwent operation for other benign lesions. Clinical data were retrospectively reviewed from medical charts, and Raman data were processed and analyzed by using principal component analysis (PCA) and linear discriminant analysis (LDA). Two-dimensional plots of PCA and LDA clearly demonstrated that the four histological types of gastric adenocarcinoma could be differentiated, and confocal Raman microspectroscopy provides potentially a rapid and effective method for differentiating SRC and MAC from TAC or PAC.

  13. Effect of Metformin Use on Survival in Resectable Pancreatic Cancer: A Single-Institution Experience and Review of the Literature.

    Science.gov (United States)

    Ambe, Chenwi M; Mahipal, Amit; Fulp, Jimmy; Chen, Lu; Malafa, Mokenge P

    2016-01-01

    Observational studies have demonstrated that metformin use in diabetic patients is associated with reduced cancer incidence and mortality. Here, we aimed to determine whether metformin use was associated with improved survival in patients with resected pancreatic cancer. All patients with diabetes who underwent resection for pancreatic adenocarcinoma between 12/1/1986 and 4/30/2013 at our institution were categorized by metformin use. Survival analysis was done using the Kaplan-Meier method, with log-rank test and Cox proportional hazards multivariable regression models. For analyses of our data and the only other published study, we used Meta-Analysis version 2.2. We identified 44 pancreatic cancer patients with diabetes who underwent resection of the primary tumor (19 with ongoing metformin use, 25 never used metformin). There were no significant differences in major clinical and demographic characteristics between metformin and non-metformin users. Metformin users had a better median survival than nonusers, but the difference was not statistically significant (35.3 versus 20.2 months; P = 0.3875). The estimated 2-, 3-, and 5-year survival rates for non-metformin users were 42%, 28%, and 14%, respectively. Metformin users fared better with corresponding rates of 68%, 34%, and 34%, respectively. In our literature review, which included 111 patients from the two studies (46 metformin users and 65 non-users), overall hazard ratio was 0.668 (95% CI 0.397-1.125), with P = 0.129. Metformin use was associated with improved survival outcomes in patients with resected pancreatic cancer, but the difference was not statistically significant. The potential benefit of metformin should be investigated in adequately powered prospective studies.

  14. POOR HEMOPOIETIC STEM CELL MOBILIZERS IN MULTIPLE MYELOMA : A SINGLE INSTITUTION EXPERIENCE

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    Aura Ramirez-Medina

    2010-05-01

    Full Text Available

                      In a single institution, in a group of 28 myeloma patients deemed eligible for autologous transplant, stem cell mobilization was attempted using filgrastim: 26 individuals were given 31 autografts employing 1-4 (median three apheresis sessions, to obtain a target stem cell dose of 1 x 106 CD34 viable cells / Kg of the recipient. The median number of grafted CD34 cells was 7.56 x 106  / Kg of the recipient; the range being 0.92 to 14.8.  By defining as poor mobilizers individuals in which a cell collection of < 1 x 106 CD34 viable cells / Kg was obtained, a subset of eight poor mobilizers was identified; in two patients the autograft was aborted because of an extremely poor CD34 cell yield (< 0.2 x 106 CD34 viable cells / Kg of the recipient after four apheresis sessions. The long-term overall survival of the patients grafted with > 1 x 106 CD34 viable cells / Kg was better (80% at 80 months than those grafted with < 1 x 106 CD34 viable cells / Kg (67% at 76 months. Methods to improve stem cell mobilization are needed and may result in obtaining better results when autografting multiple myeloma patients.

  15. Stereotactic radiosurgery for the treatment of brain metastases; results from a single institution experience.

    LENUS (Irish Health Repository)

    Burke, D

    2013-09-01

    Stereotactic radiosurgery is frequently used for the treatment of brain metastases. This study provides a retrospective evaluation of patients with secondary lesions of the brain treated with stereotactic radiosurgery (SRS) at our institution.

  16. Isocitrate dehydrogenase-1 is mutated in inflammatory bowel disease-associated intestinal adenocarcinoma with low-grade tubuloglandular histology but not in sporadic intestinal adenocarcinoma.

    Science.gov (United States)

    Hartman, Douglas J; Binion, David; Regueiro, Miguel; Schraut, Wolfgang; Bahary, Nathan; Sun, Weijing; Nikiforova, Marina; Pai, Reetesh K

    2014-08-01

    The underlying molecular alterations in chronic idiopathic inflammatory bowel disease-associated intestinal adenocarcinoma remain largely unknown. Somatic IDH mutations are often seen in gliomas and myeloid leukemia but have also been recently reported in a subset of other neoplasms. We analyzed a series of intestinal adenocarcinomas with (n=23) and without (n=39) associated chronic idiopathic inflammatory bowel disease treated at our institution for IDH1 and IDH2 mutations and correlated the clinicopathologic findings with mutation status. Compared with intestinal adenocarcinomas not associated with inflammatory bowel disease, adenocarcinomas associated with inflammatory bowel disease more frequently demonstrated IDH mutations (13% vs. 0%, P=0.047). All IDH mutations were identified in IDH1 and resulted in substitution of arginine by cysteine at position 132 (p.R132C, c.394C>T). IDH1 mutations were frequently (66%) associated with concurrent KRAS mutations (p.G12D, c.35G>A). IDH1-mutated intestinal adenocarcinomas were seen in the setting of both Crohn disease and ulcerative colitis and were located in both the ileum and colon. Compared with IDH1-negative inflammatory bowel disease-associated adenocarcinoma, IDH1-positive adenocarcinomas more frequently demonstrated tubuloglandular histology (100% vs. 25%, P=0.032) and were more frequently associated with precursor lesions exhibiting serrated morphology (66% vs. 6%, P=0.034). IDH1 mutations were also identified in the precursor dysplastic lesions associated with IDH1-positive adenocarcinomas. In conclusion, we demonstrate that IDH1 mutations are occasionally identified in inflammatory bowel disease-associated intestinal adenocarcinoma but not in intestinal adenocarcinoma not associated with inflammatory bowel disease. In addition, IDH1-mutated intestinal adenocarcinoma is associated with a characteristic low-grade tubuloglandular histology and often harbors concurrent KRAS mutations. Identification of patients

  17. Cutaneous metastasis in anorectal adenocarcinoma

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    Krishnendra Varma

    2015-01-01

    Full Text Available Cutaneous metastasis in anorectal adenocarcinoma is a rare entity. Here, we report the case of a 40-year-old female who presented with yellowish-brown, irregular, solid, elevated rashes over the pubis with a recent history off palliative colostomy for anorectal adenocarcinoma. Clinically, we suspected metastasis that was proved on biopsy. We report this case due to the rare presenting site (i.e., perineum of a metastatic adenocarcinoma.

  18. Pancreatic Heterotopia: Masquerading as Malignancy - A 15-Year Single Institutional Surgicalpathology Review

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    Rani Kanthan

    2015-07-01

    Full Text Available Context Pancreatic heterotopia, the presence of pancreatic tissue anywhere outside of the anatomical pancreas, is rare and typically an incidental finding. This manuscript reports two index cases of unusual presentations of pancreatic heterotopia masquerading as malignant lesions. Case reports Case #1: Fifty-five year-old female with right upper quadrant pain was found to have a retroperitoneal tumor between the right kidney and liver. Case #2: Thirty-eight-year-old female with a 20-year history of right upper quadrant pain and pancreatitis was found to have an incidental jejunal mass. An intraoperative frozen section was ordered on these two patients for suspected malignancy. Frozen section analysis in both cases showed the presence of benign glandular tissue admixed with ducts in a typical lobular fashion consistent with benign pancreatic tissue, confirming pancreatic heterotopia. The two index cases were investigated and analyzed in detail with relevant review of the literature as available in PubMed and Medline. A 15-year retrospective computer-based histopathological surgical review was conducted in our laboratory and the results were analyzed in the context of evidence-based literature of pancreatic heterotopias. 153 pancreatic pathologies were identified of which the commonest lesion was adenocarcinoma (58.8% followed by pancreatic heterotopia (10.5%, pancreatic neuroendocrine tumors (7.2% and pancreatitis (7.2%. Conclusions Pancreatic heterotopia is rare and most often an incidental finding; however, occasionally patients may present with a mass suggestive of malignancy, leading to clinical diagnostic dilemmas. Awareness of this uncommon lesion is of particular importance at intraoperative frozen section analysis for lesions in atypical locations.

  19. The relationship between single nucleotide polymorphisms in estrogen-metabolizing genes CYP1A1,CYP17,COMT and estrogen receptor alpha and the risk of endometrial adenocarcinoma among the Chinese women

    Institute of Scientific and Technical Information of China (English)

    Yang Xingsheng; Liu Jie; Zhong Yanhui; Zhang Xian; Wang Yan

    2007-01-01

    Objective:To explore whether polymorphisms of the genes responsible for catechol estrogen(CE) formation via estrogen biosynthesis (CYP17) and hydroxylation (CYP1A1) and CE inactivation (COMT) and ERa are associated with an elevated risk for endometrial adenocarcinoma in Chinese women.Methods:A multigenic case-control study was conducted,eighty-seven endometrial adenocarcinoma patients and ninety controls were recruited.PCR-RFLP assays were used to determine the genotypes of estrogen-metabolizing genes and ERa gene.Results:The endometrial adenocarcinoma risk associated with individual susceptibility genotypes varied among the six polymorphic sites and was the highest for CYP17,followed by CYP1A1 Ile-Val,CYP1A1 MspI,COMT,ERa XbaI and ERa PvuII.Multivariate logistic regression showed the CYP1A1 MspI genotype was the most significant determinant for endometrial adenocarcinoma development and was associated with a 3.61 fold increase in risk (95% confidence interval,1.73~7.55).Furthermore,a trend of increasing risk for developing endometrial adenocarcinoma was found in women harboring higher numbers of high-risk genotypes.Conclusion:The CYP1A1,CYP17 and ERa XbaI genotypes are related to the susceptibility of endometrial adenocarcinoma,they may be useful markers for predicting endometrial adenocarcinoma susceptibility.The allele encoding for low acticity COMT,ERa PvuII may not be a genetic risk factor for endometrial adenocarcinoma.

  20. Primary combined carcinoid and adenocarcinoma of the ileum associated with transitional carcinoma of the bladder. Single case report Causa infrecuente de disfagia en el postoperatorio tardío de la cirugía de la hernia de hiato

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    I. D. Venizelos

    2007-03-01

    Full Text Available Composite neoplasms, carcinoid and adenocarcinoma have been reported to occur in several parts of the body, including the stomach, ampulla of Vater, large bowel, lung, and urinary bladder. Here we report a case of a 74-year-old male with a composite carcinoid-adenocarcinoma of the ileum associated with a transitional cell carcinoma of the bladder. The microscopical examination of the composite tumor showed an admixture of typical carcinoid tumor and moderately a differentiated adenocarcinoma. Immunohistochemically, the two components showed clear-cut differentiations. A review of the literature revealed that this is the first reported case of composite carcinoid-adenocarcinoma of the ileum associated with transitional cell carcinoma of the urinary bladder.Las neoplasias compuestas, el carcinoide y el adenocarcinoma se ha observado que aparecen en varias partes del organismo, como el estómago, la ampolla de Vater, el intestino grueso, el pulmón y la vejiga urinaria. Publicamos aquí el caso de un varón de 74 años con un tumor compuesto de tipo carcinoide-adenocarcinoma del íleon asociado a un carcinoma vesical de células transicionales. El examen macroscópico del tumor compuesto mostró una mezcla de tumor carcinoide típico y adenocarcinoma moderadamente diferenciado. Desde el punto de vista inmunohistoquímico, los dos componentes estaban claramente diferenciados. Una revisión de la bibliografía reveló que este es el primer caso que se publica de un tumor compuesto de tipo carcinoide-adenocarcinoma del íleon asociado a un carcinoma de células transicionales de la vejiga urinaria.

  1. Significant impact of transperineal template biopsy of the prostate at a single tertiary institution

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    Sean Huang

    2015-01-01

    Conclusions: Transperineal biopsy at our institution showed a high rate of disease-upgrading, with a large proportion involving anterior and transition zones. A significant amount of patients went on to receive curative treatment. TPB is a valuable diagnostic procedure with minimal risk of developing urosepsis. We believe TBP should be offered as an option for all repeat prostate biopsies and considered as an option for initial prostate biopsy.

  2. NEED OF FINANCIAL INSTITUTIONS SUPERVISION THROUGH AN SINGLE FRAMEWORK OF MACRO-PRUDENTIAL SUPERVISION

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    MEDAR LUCIAN-ION

    2013-12-01

    Full Text Available Joint Committee of the European Supervisory Authorities required Member States to implement new macro-prudential indicators.through national authorities of prudential supervision will be perform activities concerning the supplementary supervision of credit institutions, insurance companies or reinsurance companies, investment services firms and investment management firms, from a financial conglomerate. The most popular ways that give stability to the financial system are related to normal functioning of markets, to ensure implementation of payments in the economy and especially achieving a quality financial intermediation. Activities concerning macroprudential supervision concern, first of all, of managerial strengthening of internal control, assessment and management of risks

  3. Epstein-Barr virus (EBV) association and latency profile in pediatric Burkitt's lymphoma: experience of a single institution in Argentina.

    Science.gov (United States)

    Lara, Julia; Cohen, Melina; De Matteo, Elena; Aversa, Luis; Preciado, Maria Victoria; Chabay, Paola

    2014-05-01

    The aim of this study is to characterize EBV expression and latency pattern in pediatric Burkitt's lymphoma in a single institution in Argentina. EBV-encoded RNA or protein was analyzed in 27 patients. EBERs was expressed in 37% of patients (29% of immunocompetent and 100% of immunosuppressed patients). EBV-positive cases were observed exclusively in patients younger than 5 years old. EBV association with immunocompetent patients exhibits the sporadic pattern in region under study, while its presence in patients infected with HIV was higher than described previously. EBV latency I profile was present in most of the patients, except for two immunosuppressed patients who displayed LMP1 expression.

  4. Vesical metastasis of gastric adenocarcinoma

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    Alberto A. Antunes

    2004-10-01

    Full Text Available Metastatic vesical tumors are rare, and constitute approximately 1% of all neoplasias affecting this organ. The authors report the case of a 63-year old woman with vesical metastasis of gastric adenocarcinoma. Patient presented signs of cachexia and complained of left lumbar pain and dysuria unresponsive to antibiotic therapy for approximately 5 months. She reported a previous partial gastrectomy due to ulcerative undifferentiated gastric adenocarcinoma 1 year and 9 months before. Cystoscopy revealed an extensive vegetative lesion in bladder, occupying its entire mucosal surface. The biopsy revealed metastatic signet-ring cell adenocarcinoma.

  5. Clinical outcome for patients with dedifferentiated chondrosarcoma: a report of 9 cases at a single institute

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    Yokota Kazuya

    2012-12-01

    Full Text Available Abstract Background Dedifferentiated chondrosarcomas consist of two distinguishable components: low-grade chondrosarcoma components and high-grade dedifferentiated components. Materials and methods Nine cases (4 males, 5 females of dedifferentiated chondrosarcoma were treated in our institute. The average age was 58.6 (range, 37–86 years. The tumor location was the long bone in 7 cases (femur, n=5; humerus, n=1; tibia, n=1 and the pelvic bone in 2 cases. The average time from appearance of symptoms to treatment was 9.4 (range, 1–40 months. Results and discussion On plain radiographs, matrix mineralization was seen in all 9 cases (100%. Bone destruction was observed in 5 of 9 cases (56%, while pathological fracture was seen in one femur case (11%. Lung metastasis was observed in all cases (initially in 5 cases; during the treatment course in 4 cases. Surgery was performed in 8 cases, with local recurrence occurring in 2 of those cases (time to recurrence, 2 and 10 months. Chemotherapy was administered in 4 cases, but did not result in significant improvement. All 9 cases died of lung metastases, with a median survival time of 10 (range, 3.4-18.8 months. The presence of initial metastasis at diagnosis was a significant unfavorable prognostic factor. Conclusion The prognosis of dedifferentiated chondrosarcoma is dismal. With the lack of convincing evidence of the benefit of chemotherapy, complete surgical excision is the initial recommended treatment.

  6. Mesenchymal Chondrosarcoma in Children and Young Adults: A Single Institution Retrospective Review

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    Michael W. Bishop

    2015-01-01

    Full Text Available Background. Mesenchymal chondrosarcoma is an aggressive, uncommon histologic entity arising in bone and soft tissues. We reviewed our institutional experience with this rare diagnosis. Methods. We conducted a retrospective chart review on patients with mesenchymal chondrosarcoma over a 24-year period. Clinicopathologic and radiographic features were reviewed. Results. Twelve patients were identified. Nine were females; median age was 14.5 years (1.2–19.7 years. The most common site was the head/neck (7/12. Disease was localized in 11/12 patients (one with lung nodules. Six with available tissue demonstrated NCOA2 rearrangement by FISH. Six underwent upfront surgical resection, and six received neoadjuvant therapy (2 chemotherapy alone and 4 chemotherapy and radiation. All patients received adjuvant chemotherapy (most commonly ifosfamide/doxorubicin and/or radiation (median dose 59.4 Gy. At a median follow-up of 4.8 years, 5-year disease-free survival and overall survival were 68.2% (95% CI 39.8%, 96.6% and 88.9% (95% CI 66.9%, 100%. Two patients had distant recurrences at 15 and 42 months, respectively. Conclusion. Aggressive surgical resection of mesenchymal chondrosarcoma with chemoradiotherapy yields excellent local control and may reduce likelihood of late recurrence. Characterization of downstream targets of the HEY1-NCOA2 fusion protein, xenograft models, and drug screening are needed to identify novel therapeutic strategies.

  7. [Ocular metastasis heralding gastric adenocarcinoma].

    Science.gov (United States)

    Chekrine, T; Tawfiq, N; Bouchbika, Z; Benchakroun, N; Jouhadi, H; Sahraoui, S; Benider, A

    2010-10-01

    Ocular metastasis is a rare presenting feature of gastric adenocarcinoma. We report a 48-year-old woman who presented with a decrease in visual acuity of the right eye leading to the discovery of an ocular metastasis. Diagnostic work-up identified a gastric adenocarcinoma with pulmonary metastases. She received four cycles of chemotherapy combining epirubicin, cisplatin and fluorouracil. The patient died 6 months after the diagnosis of respiratory failure.

  8. Multidisciplinary Service Utilization Pattern by Advanced Head and Neck Cancer Patients: A Single Institution Study

    Science.gov (United States)

    Junn, Jacqueline C.; Kim, Irene A.; Zahurak, Marianna L.; Tan, Marietta; Fan, Katherine Y.; Lake, Spencer T.; Zaboli, David; Messing, Barbara P.; Ulmer, Karen; Harrer, Karen B.; Gold, Dorothy; Ryniak, Keri L.; Zinreich, Eva S.; Tang, Mei; Levine, Marshall A.; Blanco, Ray G.; Saunders, John R.; Califano, Joseph A.; Ha, Patrick K.

    2012-01-01

    Purpose. To analyze the patterns and associations of adjunctive service visits by head and neck cancer patients receiving primary, concurrent chemoradiation therapy. Methods. Retrospective chart review of patients receiving adjunctive support during a uniform chemoradiation regimen for stages III-IV head and neck squamous cell carcinoma. Univariate and multivariate models for each outcome were obtained from simple and multivariate linear regression analyses. Results. Fifty-two consecutive patients were assessed. Female gender, single marital status, and nonprivate insurance were factors associated with an increased number of social work visits. In a multivariate analysis, female gender and marital status were related to increased social work services. Female gender and stage IV disease were significant for increased nursing visits. In a multivariate analysis for nursing visits, living greater than 20 miles between home and hospital was a negative predictive factor. Conclusion. Treatment of advanced stage head and neck cancer with concurrent chemoradiation warrants a multidisciplinary approach. Female gender, single marital status, and stage IV disease were correlated with increased utilization of social work and nursing services. Distance over 20 miles from the center was a negative factor. This information may help guide the treatment team to allocate resources for the comprehensive care of patients. PMID:23118755

  9. Multidisciplinary Service Utilization Pattern by Advanced Head and Neck Cancer Patients: A Single Institution Study

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    Jacqueline C. Junn

    2012-01-01

    Full Text Available Purpose. To analyze the patterns and associations of adjunctive service visits by head and neck cancer patients receiving primary, concurrent chemoradiation therapy. Methods. Retrospective chart review of patients receiving adjunctive support during a uniform chemoradiation regimen for stages III-IV head and neck squamous cell carcinoma. Univariate and multivariate models for each outcome were obtained from simple and multivariate linear regression analyses. Results. Fifty-two consecutive patients were assessed. Female gender, single marital status, and nonprivate insurance were factors associated with an increased number of social work visits. In a multivariate analysis, female gender and marital status were related to increased social work services. Female gender and stage IV disease were significant for increased nursing visits. In a multivariate analysis for nursing visits, living greater than 20 miles between home and hospital was a negative predictive factor. Conclusion. Treatment of advanced stage head and neck cancer with concurrent chemoradiation warrants a multidisciplinary approach. Female gender, single marital status, and stage IV disease were correlated with increased utilization of social work and nursing services. Distance over 20 miles from the center was a negative factor. This information may help guide the treatment team to allocate resources for the comprehensive care of patients.

  10. Transanal Endoscopic Microsurgery for Patients With Rectal Tumors: A Single Institution's Experience

    Science.gov (United States)

    Kilius, Alfredas; Petrulis, Kestutis; Samalavicius, Narimantas E.

    2017-01-01

    Purpose The purpose of this study was to look at our complication rates and recurrence rates, as well as the need for further radical surgery, in treating patients with benign and early malignant rectal tumors by using transanal endoscopic microsurgery (TEM). Methods Our study included 130 patients who had undergone TEM for rectal adenomas and early rectal cancer from December 2009 to December 2015 at the Department of Surgical Oncology, National Cancer Institute, Lithuania. Patients underwent digital and endoscopic evaluation with multiple biopsies. For preoperative staging, pelvic magnetic resonance imaging or endorectal ultrasound was performed. We recorded the demographics, operative details, final pathologies, postoperative lengths of hospital stay, postoperative complications, and recurrences. Results The average tumor size was 2.8 ± 1.5 cm (range, 0.5–8.3 cm). 102 benign (78.5%) and 28 malignant tumors (21.5%) were removed. Of the latter, 23 (82.1%) were pT1 cancers and 5 (17.9%) pT2 cancers. Of the 5 patients with pT2 cancer, 2 underwent adjuvant chemoradiotherapy, 1 underwent an abdominoperineal resection, 1 refused further treatment and 1 was lost to follow up. No intraoperative complications occurred. In 7 patients (5.4%), postoperative complications were observed: urinary retention (4 patients, 3.1%), postoperative hemorrhage (2 patients, 1.5%), and wound dehiscence (1 patient, 0.8%). All complications were treated conservatively. The mean postoperative hospital stay was 2.3 days. Conclusion TEM in our experience demonstrated low complication and recurrence rates. This technique is recommended for treating patients with a rectal adenoma and early rectal cancer and has good prognosis.

  11. Ganglioglioma: Single-institutional experience of 24 cases with review of literature

    Science.gov (United States)

    Tandon, Vivek; Bansal, Sumit; Chandra, P. Sarat; Suri, Ashish; Tripathi, Manjari; Sharma, Mehar C.; Sarkari, Avijit; Mahapatra, Ashok K.

    2016-01-01

    Background: Ganglioglioma is a common seizure associated tumor. The goal of this study was to observe the postoperative outcome in patients with gangliogliomas. Material and Methods: A total 24 patients with gangliogliomas who underwent surgery at our institute from 2008 to 2011 were included. There were 13 males (54%) in our study. A retrospective analysis for the demographic profile, surgery and outcome was performed using STATA software. Literature on this subject was also reviewed, MEDLINE and PUBMED databases were searched. Observations: Sixteen patients presented with signs and symptoms of raised intracranial pressure and 12 patients had seizure disorder. Average age at surgery was 20 years (range 7-50 years). Twelve each were located in the temporal lobe and extra-temporal location. Intra-operative electrocorticography (ECoG) alone in three and image guidance alone were used in two patients, respectively. Both ECoG and image guidance were used in one patient and none of them was used in 18 patients. Gross total resection was achieved in 17 patients. After a mean follow-up of 1.6 years (range 3 months to 2.5 years), out of 12 patients with preoperative seizures, 10 (83.3%) were seizure free (Engel class-I) and 2 (16.6%) belonged to Engel class-II. None of the factors, including age at surgery, seizure duration prior to surgery, type of seizures, use of intra-operative ECoG and image guidance, extent of tumor resection, and surgical strategy proved to have significant correlation with postoperative seizure outcome. Conclusions: Surgical treatment is effective and safe for patients with gangliogliomas. Neither intra-operative ECoG nor image guidance necessarily leads to better seizure control, although they are useful adjunct for achieving safe and complete tumor resection. PMID:27695546

  12. Primary bone lymphoma: A clinicopathological retrospective study of 28 patients in a single institution

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    Mohammad Reza Ghavam Nasiri

    2011-01-01

    Full Text Available Background: Primary bone lymphoma (PBL is a rare disease and distinct clinicopathological entity. The optimal treatment strategy is still unclear. Because of rarity of PBL, we report our institute experience in PBL clinicopathological feature and treatment results. Methods: 28 patients diagnosed with PBL were referred to Omid Hospital, cancer research center (CRC, between March 2001 and February 2009. Immunophenotype studies on 16 out of 28 pathological blocks were performed. We analyzed disease free survival (DFS and overall survival (OS rates. Results: 14 patients with PBL were analyzed retrospectively. 17 patients (60.7% were male and 11 (39.3% were female with a median age of 41 years (range: 11-79. Long bones were the most primarily site of involvement (71%. 26 (93% patients had diffuse large B cell lymphoma and 2 (7% had small lymphoblastic lymphoma. One (3% patient received radiation alone, 18 (66% cases received combined modality (chemotherapy + radiotherapy and 8 (30% received only chemotherapy during their treatment period. The median follow up was 18 months (range: 1-82. Mean DFS was 51 months (range: 37-66. Overall survival (OS was 54 months (range: 40-68. OS was significantly better in the chemoradiotherapy group compared with other two groups (64 versus 27 months, respectively, p=0.014. DFS was also significantly better in combined modality arm compared with other two groups (64 versus 21 months, respectively, p=0.003. Conclusions: In spite of small number of patients reported in this study, combined modality treatment (chemotherapy and radiotherapy was shown to be useful as an effective treatment strategy in PBL.

  13. Unrelated hematopoietic stem cell transplantation in the pediatric population: single institution experience

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    Daniela Hespanha Marinho

    2015-08-01

    Full Text Available OBJECTIVE: Hematopoietic stem cell transplantation has been successfully used to treat the pediatric population with malignant and non-malignant hematological diseases. This paper reports the results up to 180 days after the procedure of all unrelated hematopoietic stem cell transplantations in pediatric patients that were performed in one institution.METHODS: A retrospective review was performed of all under 18-year-old patients who received unrelated transplantations between 1995 and 2009. Data were analyzed using the log-rank test, Cox stepwise model, Kaplan-Meier method, Fine and Gray model and Fisher's exact test.RESULTS: This study included 118 patients (46.8% who received bone marrow and 134 (53.2% who received umbilical cord blood transplants. Engraftment occurred in 89.47% of the patients that received bone marrow and 65.83% of those that received umbilical cord blood (p-value < 0.001. Both neutrophil and platelet engraftments were faster in the bone marrow group. Acute graft-versus-host disease occurred in 48.6% of the patients without statistically significant differences between the two groups (p-value = 0.653. Chronic graft-versus-host disease occurred in 9.2% of the patients with a higher incidence in the bone marrow group (p-value = 0.007. Relapse occurred in 24% of the 96 patients with malignant disease with 2-year cumulative incidences of 45% in the bone marrow group and 25% in the umbilical cord blood group (p-value = 0.117. Five-year overall survival was 47%, with an average survival time of 1207 days, and no significant differences between the groups (p-value = 0.4666.CONCLUSION: Despite delayed engraftment in the umbilical cord blood group, graft-versus-host disease, relapse and survival were similar in both groups.

  14. Retrospective analysis of 140 cases of medullary thyroid carcinoma followed-up in a single institution

    Science.gov (United States)

    SIMÕES-PEREIRA, JOANA; BUGALHO, MARIA JOÃO; LIMBERT, EDWARD; LEITE, VALERIANO

    2016-01-01

    Familial cases of medullary thyroid carcinoma (MTC) may be diagnosed by genetic screening, while in sporadic tumors the diagnosis relies mainly on fine-needle aspiration cytology. The aim of the present study was to determine the demographic, clinical and pathological characteristics of MTC patients followed-up at the Portuguese Institute of Oncology Francisco Gentil (Lisbon, Portugal). For that purpose, a retrospective analysis of 140 MTC patients diagnosed between 1990 and 2010 was performed. The results indicated that patients with hereditary MTC (11.4%) were significantly younger than patients with sporadic MTC. Of the latter, 34.3% had no clinical suspicion of MTC prior to surgery. The sensitivity of cytology and calcitonin (CT) assay in diagnosing MTC were 51.3 and 98.7%, respectively. All familial index cases and 69.0% of sporadic cases presented with advanced stage disease at the time of diagnosis, while 73.0% of familial MTC detected by genetic/pentagastrin screening were diagnosed at the early stage of the disease. Biochemical cure (BC) was achieved in 39.7% of patients and, of these, only 6.5% relapsed. The 5 and 10-year survival rates were 79.3 and 73.6%, respectively. Age >45 years (P=0.026), advanced stage at diagnosis (P<0.001) and absence of BC (P<0.001) were predictors of a worse prognosis on univariate analysis. However, when the patients detected by genetic/pentagastrin screening were excluded from the analysis, age was no longer a prognostic factor, although disease stage remained a significant prognostic factor. On multivariate analysis, BC was the only factor with a significant impact on prognosis (P=0.031). In addition, the present study confirmed that the majority of patients were diagnosed at advanced stages, and CT determination was observed to be more sensitive than cytology to diagnose MTC. Patients at early stages were more prone to achieve BC, which was a favorable prognostic factor. To the best of our knowledge, the present study

  15. Extended long term functional outcome of inflatable penile prosthesis in a single institution.

    LENUS (Irish Health Repository)

    Thomas, A Z

    2011-02-01

    We sought to evaluate the extended long term functional outcome of the AMS700 three piece inflatable prosthesis in men with erectile dysfunction in a single urological department and assess our revision rates. Patients that underwent first-time insertion or revision of an AMS700 3 piece inflatable penile prosthesis between 1984-2007 were included. Data was obtained from medical records and long term follow up of patients was conducted by telephone interview. The medical records of 38 patients were available for review. Of these 38 men, 56 prostheses were inserted. The mean follow up was 8.4 years (101 months). The revision rate at 50 months postoperatively was 7\\/38 (18%). The overall revision rate was 18\\/38 (47%). The mean time to revision in these 18 patients was 72 months (12-156 months) after initial insertion of AMS700 penile prosthesis. This study highlights that with longer follow u revision rates markedly increase after 72 months.

  16. Klebsiella pneumoniae Carbapenemase (KPC)-Producing K. pneumoniae at a Single Institution: Insights into Endemicity from Whole-Genome Sequencing

    Science.gov (United States)

    Stoesser, Nicole; Sheppard, Anna E.; Pankhurst, Louise; Giess, Adam; Yeh, Anthony J.; Didelot, Xavier; Turner, Stephen D.; Sebra, Robert; Kasarskis, Andrew; Peto, Tim; Crook, Derrick; Sifri, Costi D.

    2015-01-01

    The global emergence of Klebsiella pneumoniae carbapenemase-producing K. pneumoniae (KPC-Kp) multilocus sequence type ST258 is widely recognized. Less is known about the molecular and epidemiological details of non-ST258 K. pneumoniae in the setting of an outbreak mediated by an endemic plasmid. We describe the interplay of blaKPC plasmids and K. pneumoniae strains and their relationship to the location of acquisition in a U.S. health care institution. Whole-genome sequencing (WGS) analysis was applied to KPC-Kp clinical isolates collected from a single institution over 5 years following the introduction of blaKPC in August 2007, as well as two plasmid transformants. KPC-Kp from 37 patients yielded 16 distinct sequence types (STs). Two novel conjugative blaKPC plasmids (pKPC_UVA01 and pKPC_UVA02), carried by the hospital index case, accounted for the presence of blaKPC in 21/37 (57%) subsequent cases. Thirteen (35%) isolates represented an emergent lineage, ST941, which contained pKPC_UVA01 in 5/13 (38%) and pKPC_UVA02 in 6/13 (46%) cases. Seven (19%) isolates were the epidemic KPC-Kp strain, ST258, mostly imported from elsewhere and not carrying pKPC_UVA01 or pKPC_UVA02. Using WGS-based analysis of clinical isolates and plasmid transformants, we demonstrate the unexpected dispersal of blaKPC to many non-ST258 lineages in a hospital through spread of at least two novel blaKPC plasmids. In contrast, ST258 KPC-Kp was imported into the institution on numerous occasions, with other blaKPC plasmid vectors and without sustained transmission. Instead, a newly recognized KPC-Kp strain, ST941, became associated with both novel blaKPC plasmids and spread locally, making it a future candidate for clinical persistence and dissemination. PMID:25561339

  17. Light Chain Escape in 3 Cases: Evidence of Intraclonal Heterogeneity in Multiple Myeloma from a Single Institution in Poland

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    Maria Kraj

    2015-01-01

    Full Text Available We report three cases of light chain escape (LCE at a single institution in Poland, including an interesting case of biclonal monoclonal gammopathy of undetermined significance (MGUS that satisfied the criteria for progression to light chain multiple myeloma (LCMM with a rapid rise in serum free light chain (FLC levels, following steroidal treatment for simultaneous temporal artery inflammation and polymyalgia rheumatica (PMR. In the three cases discussed, progression of the disease by light chain escape was associated with rapid and severe renal impairment, highlighting the necessity for prompt detection of such free light chain-only producing clones in order to prevent the possible development of irreversible end-organ damage. Interestingly, monitoring of these three patients by serum free light chain assay (sFLC and retrospective heavy/light chain analysis (HLC detected this clonal evolution prior to clinical relapse and suggests that these assays represent important additional tools for more accurate monitoring of multiple myeloma patients.

  18. A clinicopathological and immunohistochemical study of clinically non-functioning pituitary adenomas: A single institutional experience

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    Rishi Arvind

    2010-01-01

    Full Text Available Background : Non-functioning pituitary adenomas (NFPA are characterized by the lack of clinical syndrome as compared to functioning adenomas (FA but not all functioning adenomas have clinical effects. Their exact incidence varies in different series. Materials and Methods : This study was undertaken to analyze the hormonal profile of NFPA at the immunohistochemical level in the Indian population and to see if any differences exist from the earlier studies. Their biological aggressiveness was also studied by MIB-1 labeling index (MIB-! LI and Epidermal Growth Factor Receptor (EGFR expression. These parameters along with their clinical behavior were correlated with radiological features of invasiveness and size. Results : Of the 151 pituitary adenomas diagnosed during a period of one and half years, 77 (51% were NFPA with a male predominance. There was increase in the incidence of NFPA with increase in age. Immunopositivity for various hormones was observed in 64 (83% cases, either singly or in various combinations. On the basis of immunohistochemistry, NFPA were classified into three subtypes; gonadotroph adenomas, silent adenomas, and null cell adenomas. Gonadotroph adenomas were the commonest subtype. In general, NFPA showed low MIB-1LI but invasive NFPA had LI on the higher side, however, this difference was not significant. We observed EGFR positivity in two cases only; therefore the tumorigenesis mechanism may be different in NFPA. Conclusion : Although non-functional at the clinical level immunohistochemistry showed reactivity for various hormones. If a battery of immunostains including seven hormones is studied, a significant number of cases are shifted to the functional group.

  19. Spectrum of Childhood and Adolescent Ovarian Tumors in India: 25 Years Experience at a Single Institution

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    Ruchi Rathore

    2016-09-01

    Full Text Available BACKGROUND: Ovarian tumour in children and adolescent girls form an uncommon but important part of gynaecological malignancies. They account for 1% of all the childhood malignancies and 8% of all abdominal tumours in children. Since the ovarian cysts are thought to arise from mature follicles, these tumours were considered to be infrequent in the paediatric population. AIM: The rarity of this condition prompted us to conduct this study and share our experience on the incidence and clinicopathological features of different ovarian tumours in girls up to 20 years of age observed in last 25 years at a single tertiary care hospital. MATERIAL AND METHODS: This was a retrospective study conducted in the Department of Pathology at a tertiary hospital, Delhi. All ovarian tumours up to the age of 20 years in the past 25 years (1990-2014 were included for the purpose of studying the clinicopathological aspects of ovarian tumours in this age group. Descriptive statistics for prevalence and age-wise prevalence was done. Chi-square test, to find an association between the age, laterality and size with malignancy was performed. RESULTS: We received a total of 1102 cases of ovarian tumours over the period of 25 years  (1990 to 2014, of which 112 (10% cases were seen in girls up to 20 years of age. The mean age of the patients was 15.3 ± 4 years. The most common presenting complaint was pain abdomen (46.4 % There was a statistically significant correlation found between size and malignancy status of tumours in our study (p = 0.00. Of 112 cases of ovarian tumours, 39/112 (34.8% were malignant and 73/112 (65.2% were benign. Mature  cystic teratoma (27.6% was the most common type of benign tumour in this age group and immature teratomas were the most common type of malignant ovarian neoplasms. CONCLUSION: Premenarchal girls with ovarian masses may have varied presentations. Abdominal pain is the most common presenting complaint of young adolescent girls with

  20. Precision prevention of oesophageal adenocarcinoma.

    Science.gov (United States)

    Vaughan, Thomas L; Fitzgerald, Rebecca C

    2015-04-01

    The incidence of oesophageal adenocarcinoma has risen rapidly over the past four decades. Unfortunately, treatments have not kept pace; unless their cancer is identified at a very early stage, most patients will not survive a year after diagnosis. The beginnings of this widespread problem were first recognized over 25 years ago, yet rates have continued to rise against a backdrop of much improved understanding and management of oesophageal adenocarcinoma. We estimate that only ∼7% of the 10,000 cases of oesophageal adenocarcinoma diagnosed annually in the USA are identified through current approaches to cancer control, and trace pathways by which the remaining 93% are 'lost'. On the basis of emerging data on aetiology and predictive factors, together with new diagnostic tools, we suggest a five-tier strategy for prevention and control that begins with a wide population base and triages individuals into progressively higher risk strata, each with risk-appropriate prevention, screening and treatment options.

  1. Unusual presentation of metastatic adenocarcinoma

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    Mudan Satvinder

    2007-10-01

    Full Text Available Abstract Background The most common tumours of the adrenal gland are adenoma, pheochromocytoma, adrenocortical carcinoma, and metastases. Although the imaging features of these tumours are established, the imaging characteristics of uncommon adrenal masses are less well known. In patients with extradrenal tumour, incidental discovery of an adrenal mass necessitates excluding the possibility of metastatic malignancy. Case presentation A 52 year-old female was diagnosed with oesophageal adenocarcinoma and treated with oesophagectomy and adjuvant chemotherapy. Sixteen months later on staging CT scan a 2 × 2 cm adrenal mass was detected, which increased in size over a period of time to 3 × 3 cm in size. Adrenalectomy was performed and histological examination revealed metastatic adenocarcinoma within an adrenal adenoma. Conclusion The present case highlights the unusual behaviour of an oesophageal adenocarcinoma causing metastasis to an adrenocortical adenoma.

  2. Adenocarcinoma of the esophagus and Barrett's esophagus

    DEFF Research Database (Denmark)

    Bytzer, P; Christensen, P B; Damkier, P

    1999-01-01

    OBJECTIVE: We described incidence rates of esophageal adenocarcinoma in Denmark in a 20-yr period and determined the proportion of patients diagnosed with esophageal adenocarcinoma who had a previous diagnosis of Barrett's esophagus, making them potential candidates for endoscopic surveillance. M......'s esophagus, but these screening programs are not likely to reduce the death rate from esophageal adenocarcinomas in the general population....

  3. Pharyngocutaneous fistula after total laryngectomy: A single-institution experience, 2001–2012☆,☆☆

    Science.gov (United States)

    Benson, Eleni M.; Hirata, Richard M.; Thompson, Carol B.; Ha, Patrick K.; Fakhry, Carole; Saunders, John R.; Califano, Joseph A.; Arnaoutakis, Demetri; Levine, Marshall; Tang, Mei; Neuner, Geoffrey; Messing, Barbara P.; Blanco, Ray G.F.

    2015-01-01

    Purpose The purpose of this study was to determine the incidence of and risk factors for pharyngocutaneous fistula in patients undergoing total laryngectomy at a single institution. Materials and methods The records of 59 patients undergoing primary or salvage total laryngectomy at our institution from 2001 to 2012 were retrospectively reviewed. Data collected included patient, tumor and treatment characteristics, and surgical technique. Risk factors were analyzed for association with pharyngocutaneous fistula formation. Results Twenty patients (34%) developed fistulas. Preoperative tracheostomy (OR 4.1; 95% CI 1.3–13 [p = 0.02]) and low postoperative hemoglobin (OR 9.1; 95% CI 1.1–78 [p = 0.04]) were associated with fistula development. Regarding surgical technique, primary sutured closure of the total laryngectomy defect had the lowest fistula rate (11%). In comparison, primary stapled closure and pectoralis onlay flap over primary closure had nonsignificantly increased fistula rates (43%, OR 6.0; 95% CI 1.0–37.3 [p = 0.06] and 25%, OR 2.7; 95% CI 0.4–23.9 [p = 0.38], respectively). Pectoralis flap incorporated into the suture line had a significantly increased fistula rate (50%, OR 7.1; 95% CI 1.4–46 [p = 0.02]). After stratification for salvage status, patient comorbidities were associated with fistula in non-salvage cases whereas disease-related characteristics were associated with fistula in salvage cases. Fistula development was associated with increased length of hospital stay (p < 0.001) and increased time before oral diet initiation (p < 0.001). Conclusions Pharyngocutaneous fistula is a common complication of total laryngectomy. Preoperative tracheostomy, postoperative hemoglobin, and surgical technique are important in determining the risk of fistula. PMID:25245411

  4. Clinical outcome of patients with primary gliosarcoma treated with concomitant and adjuvant temozolomide: A single institutional analysis of 27 cases

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    G K Rath

    2015-01-01

    Full Text Available CONTEXT AND AIM: The prognosis of primary gliosarcoma (PGS remains dismal with current treatment modalities. We analyzed the outcome of PGS patients treated with concurrent and adjuvant temozolomide (TMZ. SETTINGS AND DESIGN: Retrospective single institutional analysis. MATERIALS AND METHODS: We retrospectively evaluated 27 patients of PGS treated with radiotherapy (RT and TMZ during 2007-2012. STATISTICAL ANALYSIS USED: Overall survival (OS was estimated by the use of Kaplan Meier method and toxicities were evaluate using common terminology criteria for adverse events version 2.0 (National Cancer Institute, USA. RESULTS: Median age at presentation and Karnofsky performance status was 45 years and 90 respectively and male: female ratio was 20:7. Patients received adjuvant RT to a total dose of 60 Gy at 2 Gy/fraction. All patients except 5 received adjuvant TMZ to a median number of 6 cycles. Grade 2 and 3 hematological toxicity was seen in 8% and 4% of patients respectively during concurrent RT. During adjuvant chemotherapy, 13.6% had Grade 3 thrombocytopenia and 9.5% had Grade 3 neutropenia. Median OS was 16.7 months (1 year and 2 year actuarial OS was 70.8% and 32.6% respectively. Adjuvant TMZ was associated with a better survival (median survival 21.21 vs. 11.93 months; P = 0.0046 on univariate analysis and also on multivariate analysis (hazard ratio 1.82, 95% confidence interval: 1.503-25.58; P = 0.012. CONCLUSIONS: The results of our study, largest series of patients with PGS treated with concurrent and adjuvant TMZ shows an impressive survival with acceptable toxicity. We suggest TMZ be included in the “standard of care” for this tumor.

  5. Cutaneous Metastases From Esophageal Adenocarcinoma

    Science.gov (United States)

    Triantafyllou, Stamatina; Georgia, Doulami; Gavriella-Zoi, Vrakopoulou; Dimitrios, Mpistarakis; Stulianos, Katsaragakis; Theodoros, Liakakos; Georgios, Zografos; Dimitrios, Theodorou

    2015-01-01

    The aim of this study is to present 2 rare cases of cutaneous metastases originated from adenocarcinoma of the gastro-esophageal junction, thus, underline the need for early diagnosis and possible treatment of suspicious skin lesions among patients with esophageal malignancy. Metastatic cancer to the skin originated from internal malignancies, mostly lung cancer, breast cancer, and colorectal cancer, constitute 0.5 to 9% of all metastatic cancers.5,8,15 Skin metastases, mainly from squamous cell carcinomas of the esophagus, are rarely reported. Cutaneous metastasis is a finding indicating progressiveness of the disease.17 More precisely, median survival is estimated approximately 4.7 months.2,14 This study is a retrospective review of 2 cases of patients with adenocarcinoma of the esophagus and a review of the literature. Two patients aged 60 and 32 years old, respectively, underwent esophagectomy. Both pathologic reports disclosed adenocarcinoma of the gastro-esophageal junction staged T3 N2 M0 (stage IIIB). During follow-up time, the 2 patients were diagnosed with cutaneous metastases originated from the primary esophageal tumor 11 and 4 months after surgery, respectively. The first patient is alive 37 months after diagnosis, while the second one died 16 months after surgery. Cutaneous metastasis caused by esophageal adenocarcinoma is possible. Therefore, follow-up of patients who were diagnosed with esophageal malignancy and underwent esophagectomy is mandatory in order to reveal early surgical stages. PMID:25785344

  6. IQGAP1 in rectal adenocarcinomas

    DEFF Research Database (Denmark)

    Holck, Susanne; Nielsen, Hans Jørgen; Hammer, Emilie;

    2015-01-01

    Treatment of rectal adenocarcinoma includes total mesorectal excision, which is preceded by radiochemotherapy (RCT) in cases of advanced disease. The response to RCT varies from total tumor regression to no effect but this heterogeneous response is unexplained. However, both radiation and treatme...

  7. Interphase cytogenetics of prostatic adenocarcinoma

    NARCIS (Netherlands)

    J.C. Alers (Janneke)

    1997-01-01

    textabstractIn the first part of this chapter an overview will be presented on the structural, histological and functional aspects of the normal human prostate. The second part describes the epidemiological and clinicopathological features of prostatic adenocarcinoma. Further, a state of the art of

  8. Transumbilical multiport laparoscopic nephroureterectomy for congenital renal dysplasia in children: midterm follow-up from a single institution

    Directory of Open Access Journals (Sweden)

    Hong eMei

    2013-12-01

    Full Text Available OBJECTIVE: To assess the clinical utility and efficiency of transumbilical multiport laparoscopic nephroureterectomy (TMLN for the treatment of congenital renal dysplasia in children by analyzing consecutive cases from a single institution. METHODS: Sixteen children underwent TMLN procedure due to dysplastic kidney between January 2010 and December 2011. The surgery was transperitoneally performed through three transumbilical incisions for two 5-mm and one 3-mm ports, which duplicated the standard laparoscopic steps with the usual laparoscopic instruments. Demographic, perioperative, and follow-up data were analyzed. RESULTS: TMLN was performed in all patients, without additional ports or conversion to open surgery. The mean operation time was 108.4 minutes (range 90–125, and the blood loss was minimal. There were no severe intraoperative or postoperative complications. The postoperative recovery was uneventful in all patients. No urinary incontinence or umbilical hernias occurred. The cosmetic result was excellent as the incision scar was hidden inside the belly button. CONCLUSION: TMLN is a safe and efficient procedure for the management of congenital renal dysplasia in children with good cosmesis. Future randomized studies with a larger number of cases and a longer follow-up are warranted to elucidate the benefits and limitations of TMLN in children.

  9. Do iatrogenic factors bias the placement of external ventricular catheters?--a single institute experience and review of the literature.

    Science.gov (United States)

    Woernle, Christoph M; Burkhardt, Jan-Karl; Bellut, David; Krayenbuehl, Niklaus; Bertalanffy, Helmut

    2011-01-01

    Placement of external ventricular drainage (EVD) catheters is the gold standard for managing acute hydrocephalus, but the range of complications varies in different studies. The objective of this present single institute study is to analyze iatrogenic factors, which may influence the EVD device placement and the patient's outcome. A total of 137 EVD placements in 120 patients at the University Hospital Zurich were analyzed retrospectively. Discriminative findings between the pre- and postoperative imaging were obtained and evaluated in detail with regards to the postoperative course, ventriculostomy-related infection, and acute neurological deterioration directly related to the EVD placement. These findings were correlated to iatrogenic factors including education level of the neurosurgeon and surgical setting. Overall EVD-related complication rate was 16.1%, including infection rate of 10.2%, catheter malplacement rate of 2.2%, and hemorrhage rate of 3.6%. Although not statistically significant, catheter-associated hemorrhages and malplacements were found mostly in primary EVD surgery, with a higher complication rate associated with junior residents as the performing surgeon. In contrast, ventriculostomy-related infection was most likely present in patients with more than one EVD placement and in patients treated by more experienced physicians. Complications related to EVD are common. The rate and character of the complication depends on the education level of the surgeon.

  10. Cyclin D1, p16(INK) (4A) and p27(Kip1) in pancreatic adenocarcinoma: assessing prognostic implications through quantitative image analysis.

    Science.gov (United States)

    Georgiadou, Despoina; Sergentanis, Theodoros N; Sakellariou, Stratigoula; Filippakis, George M; Zagouri, Flora; Vlachodimitropoulos, Dimitris; Psaltopoulou, Theodora; Lazaris, Andreas C; Patsouris, Efstratios; Zografos, George C

    2014-12-01

    The prognostic significance of cyclin D1, p16(INK) (4A) and p27(Kip1) expression has been documented in several human malignancies; however, their prognostic potential in pancreatic adenocarcinoma is still unclear. This study aimed to assess the correlation of the aforementioned molecules with clinicopathological parameters and prognosis. Sixty patients with pancreatic ductal adenocarcinoma underwent surgical resection at a single institution; immunohistochemical staining of the studied markers was quantified by Ιmage analysis system. Cyclin D1 overexpression was positively associated with grade, neural infiltration and vascular invasion, whereas p27 positively correlated with age. Higher cyclin D1 expression indicated poorer survival (adjusted HR = 9.75, 95%CI: 1.48-64.31, p = 0.018, increment: one unit in H-score), whereas a marginal trend toward an association between p16 positivity and improved survival was observed (adjusted HR = 0.58, 95%CI: 0.32-1.05, p = 0.072 regarding positive vs negative cases). No significant association with overall survival was noted regarding p27. In conclusion, cyclin D1 overexpression and possibly p16 loss of expression in pancreatic adenocarcinoma seem to be adverse prognostic factors, whereas p27 expression did not seem to possess such prognostic properties. Further validation of the present findings in studies encompassing larger samples seems to be needed.

  11. The single institutional outcome of postoperative radiotherapy and concurrent chemoradiotherapy in resected non-small cell lung cancer

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Hyo Chun; Kim, Yeon Si; Oh, Se Jin; Lee, Yun Hee; Lee, Dong Soo; Song, Jin Ho; Kang, Jin Hyung; Park, Jae Ki [Seoul St. Mary' s Hospital, The Catholic University of Korea College of Medicine, Seoul (Korea, Republic of)

    2014-09-15

    This study was conducted to observe the outcomes of postoperative radiotherapy (PORT) with or without concurrent chemotherapy in resected non-small cell lung cancer (NSCLC) in single institution. From 2002 to 2013, 78 patients diagnosed with NSCLC after curative resection were treated with radiotherapy alone (RT, n = 48) or concurrent chemoradiation (CCRT, n = 30). The indications of adjuvant radiation therapy were N2 node positive (n = 31), close or involved resection margin (n = 28), or gross residual disease due to incomplete resection (n = 19). The median radiation dose was 57.6 Gy (range, 29.9 to 66 Gy). Median survival time was 33.7 months (range, 4.4 to 140.3 months). The 5-year overall survival (OS) rate was 49.5% (RT 46% vs. CCRT 55.2%; p = 0.731). The 3-year disease-free survival rate was 45.5% (RT 39.4% vs. CCRT 55.3%; p = 0.130). The 3-year local control rate was 68.1% (RT 64.4% vs. CCRT 77.7%; p = 0.165). The 3-year DMFS rate was 56.1% (RT 52.6% vs. CCRT 61.7%; p = 0.314). In multivariate analysis, age > or =66 years and pathologic stage III were significant poor prognostic factors for OS. Treatment failure occurred in 40 patients. Four patients had radiologically confirmed grade 3 radiation pneumonitis. In NSCLC, adjuvant RT or CCRT after curative surgery is a safe and feasible modality of treatment. OS gain was seen in patients less than 66 years. Postoperative CCRT showed a propensity of achieving better local control and improved disease-free survival compared to RT alone according to our data.

  12. Outcome of allogeneic hematopoietic stem cell transplantation for childhood acute lymphoblastic leukemia in second complete remission: a single institution study

    Directory of Open Access Journals (Sweden)

    Eun-Jung Lee

    2012-03-01

    Full Text Available Purpose : The survival rate for childhood acute lymphoblastic leukemia (ALL has improved significantly. However, overall prognosis for the 20 to 25% of patients who relapse is poor, and allogeneic hematopoietic stem cell transplantation (HSCT offers the best chance for cure. In this study, we identified significant prognostic variables by analyzing the outcomes of allogeneic HSCT in ALL patients in second complete remission (CR. Methods : Fifty-three ALL patients (42 men, 79% who received HSCT in second CR from August 1991 to February 2009 were included (26 sibling donor HSCTs, 49%; 42 bone marrow transplantations, 79%. Study endpoints included cumulative incidence of acute and chronic graft-versus-host disease (GVHD, relapse, 1-year transplant-related mortality (TRM, disease-free survival (DFS, and overall survival (OS. Results : Cumulative incidences of acute GVHD (grade 2 or above and chronic GVHD were 45.3% and 28.5%, respectively. The estimated 5-year DFS and OS for the cohort was 45.2¡?#?.8%; and 48.3¡?#?%,; respectively. Only donor type, i.e., sibling versus unrelated, showed significant correlation with DFS in multivariate analysis (P=0.010. The rates of relapse and 1 year TRM were 28.9¡?#?.4%; and 26.4¡?#?.1%;, respectively, and unrelated donor HSCT (P=0.002 and HLA mismatch (P =0.022 were significantly correlated with increased TRM in univariate analysis. Conclusion : In this single institution study spanning more than 17 years, sibling donor HSCT was the only factor predicting a favorable result in multivariate analysis, possibly due to increased TRM resulting from unrelated donor HSCT.

  13. Incidence, histopathology, and surgical outcome of tumors of spinal cord, nerve roots, meninges, and vertebral column - Data based on single institutional (Sher-i-Kashmir Institute of Medical Sciences) experience

    OpenAIRE

    2016-01-01

    Context: In the absence of a community-based study on the spinal tumors in the Valley, medical records of the only Regional Neurosurgical Center are available. Aim: The aim of this study is to establish a hospital-based regional epidemiology of spinal tumors in the Valley since the data are derived from a single institution. Materials and Methods: A retrospective analysis of 531 malignant and nonmalignant tumors of spinal cord, its coverings and vertebrae, which were managed in a Regional Neu...

  14. Up to 10-year follow-up of the Oxford medial partial knee arthroplasty - 695 cases from a single institution

    DEFF Research Database (Denmark)

    Wagner Kristensen, Per; Holm, Henriette A; Varnum, Claus

    2013-01-01

    Partial knee arthroplasty (PKA) has shown obvious advantages compared to total knee arthroplasty, but survival of PKA from different institutions and registries has differed. In our institution, 695 consecutive Oxford medial PKAs were performed from 2002 to 2011 with mean follow-up of 4.6 years. ...

  15. Hepatoid Adenocarcinoma of the Urachus

    Directory of Open Access Journals (Sweden)

    Daniel Fernando Gallego

    2016-01-01

    Full Text Available Hepatoid adenocarcinoma of the urachus is a rare condition. We present the case of a 51-year-old female who developed abdominal pain and hematuria. Pelvic magnetic resonance imaging (MRI reported an urachal mass with invasion to the bladder that was resected by partial cystectomy. On light microscopy the tumor resembled liver architecture, with polygonal atypical cells in nest formation and trabecular structures. Immunochemistry was positive for alfa-fetoprotein (AFP and serum AFP was elevated. Hepatoid adenocarcinomas have been reported in multiple organs, being most commonly found in the stomach and the ovaries. Bladder compromise has been rarely described in the literature, and it has been associated with poor prognosis, low remission rates, and early metastasis.

  16. Oncocytic Adenocarcinoma of the Orbit.

    Science.gov (United States)

    Harris, Gerald J; Paul, Sean; Hunt, Bryan C

    Oncocytic adenocarcinoma of the orbit is a rare tumor, with 1 case of nonlacrimal sac, nonlacrimal gland origin, and a poor outcome previously reported. An 85-year-old man with a 2-month history of left-sided epiphora, enlarging eyelid nodules, and diplopia in left gaze was found on imaging to have a poorly circumscribed, nodular mass of uniform radiodensity in the inferomedial orbit. Incisional biopsy revealed morphologic and immunohistochemical features of oncocytic adenocarcinoma with origin in the caruncle suspected, and CT of the neck, chest, abdomen, and pelvis showed no metastases or remote primary tumor source. Based on multidisciplinary consensus, orbital exenteration with adjuvant radiation therapy was performed, and there was no evidence of residual or recurrent tumor 2 years after treatment.

  17. Vitiligo associated with esophageal adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Ali Asilian

    2013-01-01

    Full Text Available Vitiligo is a disease that results in depigmented areas in the skin. It may develop at any age but the average age at onset is 20 years. Association of vitiligo and melanoma has been commonly reported, but malignancies other than melanoma have been rarely associated with vitiligo. We report a 73-year-old patient with new onset vitiligo who developed esophageal adenocarcinoma in the following years.

  18. Optimal lymphadenectomy for esophageal adenocarcinoma.

    Science.gov (United States)

    Oezcelik, A

    2013-08-01

    Recently published data have shown that an extended lymphadenectomy during the en bloc esophagectomy leads to a significant increased long-term survival for esophageal adenocarcinoma. On the other hand some studies indicate that the increased survival is based on stage migration and that the surgical complication rate is increased after extended lymphadenectomy. The aim of this review was to give an overview about all aspects of an extended lymphadenectomy in patients with esophageal adenocarcinoma. The review of the literature shows clearly that the number of involved lymph nodes is an independent prognostic factor in patients with esophageal adenocarcinoma. Furthermore, an extended lymphadenectomy leads to an increased long-term survival. Some studies describe that 23 lymph nodes should be removed to predict survival; other studies 18 lymph nodes or 15 lymph nodes. Opponents indicate that the survival benefit is based on stage migration. The studies with a large study population have performed a Cox regression analyzes and identified the number of lymph nodes removed as an independent factor for improved survival, which means it is significant independently from other parameters. Under these circumstances is stage migration not an option to explain the survival benefit. An important difficulty is, that there is no standardized definition of an extended lymphadenectomy, which means the localization and number of removed lymph nodes differ depending from the performing centre. The controversies regarding the survival benefit of the lymphadenectomy is based on the lack of standardisation of the lymphadenectomy. The main goal of further studies should be to generate a clear definition of an extended lymphadenectomy in patients with esophageal adenocarcinoma.

  19. Interphase cytogenetics of prostatic adenocarcinoma

    OpenAIRE

    Alers, Janneke

    1997-01-01

    textabstractIn the first part of this chapter an overview will be presented on the structural, histological and functional aspects of the normal human prostate. The second part describes the epidemiological and clinicopathological features of prostatic adenocarcinoma. Further, a state of the art of (cyto)genetic aberrations occurring in prostatic cancer is given. The third part of this introduction will discuss methodological aspects of this thesis, i.e., the development and methodology of no...

  20. Nonspecific granulomatous prostatitis with prostatic adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Murugan Paari

    2010-01-01

    Full Text Available Granulomatous prostatitis is an infrequently seen entity in routine practice. One of its most common subtypes is nonspecific granulomatous prostatitis (NSGP, the etiology of which is still under debate. Such cases may be mistaken for adenocarcinoma clinically and radiologically. Histological resemblance to adenocarcinoma may arise when there is a xanthogranulomatous pattern or a prominence of epithelioid histiocytes. However, NSGP may rarely coexist with adenocarcinoma and it is critical to sample these cases thoroughly to exclude the presence of malignancy.

  1. Stent placement for chronic iliac arterial occlusive disease: the results of 10 years experience in a single institution

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    Park, Kwang Bo; Do, Young Soo; Kim, Dong Ik; Kim, Duk Kyung; Kim, Young Wook; Shin, Sung Wook; Cho, Sung Ki; Choo, Sung Wook; Choe, Yeon Heyon; Choo, In Wook [Sungkyunkwan University School of Medicine, Seoul (Korea, Republic of); Kim, Jae Hyung; Han, Yoon Hee [Inje Univ., Kimhae (Korea, Republic of)

    2005-12-15

    We wanted to retrospectively evaluate the long-term therapeutic results of iliac arterial stent placement that was done in a single institution for 10 years. From May 1994 to April 2004, 206 patients who underwent iliac arterial stent placement (mean age; 64 {+-} 8.8) were followed up for evaluating the long term stent patency. Combined or subsequent bypass surgery was performed in 72 patients. The follow up period ranged from one month to 120 months (mean; 31 {+-} 25.2 months). The factors that were analyzed for their effect on the patency of stents were age, the stent type and diameter, the lesion site, lesion shape, lesion length, the Society of Cardiovascular and Interventinal Radiology criteria, the total run off scores, the Fontaine stage and the cardiovascular risk factors (diabetes mellitus, hypertension and smoking). Follow-up included angiography and/or CT angiography, color Doppler sonography and clinical evaluation with the ankle-brachial index. Two hundred and eighty-four stents were placed in 249 limbs of 203 patients. The technical success rate was 98% (203/206). The primary patency rates of the stents at 3, 5, 7 and 10 year were 87%, 83%, 61% and 49%, respectively. One hundred seventy-seven patients maintained the primary stent patency until the final follow up and 26 patients showed stenosis or obstruction during the follow up. Secondary intervention was performed in thirteen patients. Lesions in the external iliac artery (EIA) or lesions in both the common iliac artery (CIA) and EIA were a poor prognostic factor for stent patency. The run off score and stent diameter also showed statistically significant influence on stent patency. The overall complication rate was 6%. Iliac arterial stent placement is a safe treatment with favorable long term patency. Lesions in the EIA or lesions in both the EIA and CIA, poor run off vessels and a stent having the same or a larger diameter than 10 mm were the poor prognostic factors for long term stent patency.

  2. Core binding factor acute myeloid leukemia (CBF-AML) in México: a single institution experience.

    Science.gov (United States)

    Ruiz-Delgado, Guillermo J; Macías-Gallardo, Julio; Lutz-Presno, Julia; Garcés-Eisele, Javier; Hernández-Arizpe, Ana; Montes-Montiel, Maryel; Ruiz-Argüelles, Guillermo J

    2011-01-01

    Twenty one patients with CBF-AML presented prospectively in the Centro de Hematología y Medicina Interna de Puebla (Puebla, México) between February 1995 and March 2010, 14 with the t(8;21)(q22;q22) and 7 with the inv(16)(p13;q22)/t(16;16)(p13;q22); they represent 13% of all cases of AML. The median age of the patients was 24 years (range 1 to 61). Seven of 14 patients with t(8;21)(q22;q22) had an M2 morphology whereas 3/7 with the inv(16) had an M4 morphology; in addition to the myeloid markers identified by flow-cytometry (surface CD13, surface CD33, and cytoplasmic myeloperoxidase) lymphoid markers were identified in the blast cells of 8/14 cases of the t(8;21) patients, but in no patient with the inv(16). Nineteen patients were treated with combined chemotherapy and 16 (84%) achieved a complete molecular remission. Seven patients were auto or allografted. Relapses presented in 10/16 patients. The median probability of overall survival (OS) has not been reached being above 165 months, whereas the 165-month probability of OS and leukemia-free survival was 52%; despite a tendency for a better outcome of patients with the t(8;21), there were no significant differences in survival of patients with either the t(8;21) or the inv(16). In this single institution experience in México, we found that the CBF variants of AML have a similar prevalence as compared with Caucasian populations, that the co-expression of lymphoid markers in the blast cells was frequent in the t(8;21) and that these two AML subtypes were associated with a relatively good long-term prognosis. Further studies are needed to describe with more detail the precise biological features of these molecular subtypes of acute leukemia.

  3. The use of fund accounting and the need for single fund reporting by institutional healthcare providers. Principles and Practices Board Statement No. 8. Healthcare Financial Management Association.

    Science.gov (United States)

    1986-06-01

    For many years, hospitals and other institutional healthcare providers used fund accounting as a basis for presenting their financial statements. Recently, authoritative literature has placed less emphasis on separate fund reporting. This is evidenced by the reduction of fund classifications specified in the literature. This trend seems to follow the recognition that institutional healthcare activities should be reported in a manner comparable to other businesses. The Principles and Practices Board (P&P Board) of the Healthcare Financial management Association believes that general purpose financial statements of institutional healthcare providers should be comparable to reporting by other businesses. That is, all assets, liabilities, and equity are presented in a single aggregated balance sheet without differentiation by fund. This form of presentation, referred to in this statement as single fund reporting, should be used by all institutional healthcare providers including those that are part of HMOs, universities, municipalities, and other larger entities when separate reports of the provider are issued. The P&P Board is studying other significant issues concerning the reporting of revenues and components of equity and changes therein. The conclusion in this statement can be implemented even though conclusions on these related subjects are not yet complete. The P&P Board recognizes that certain circumstances may require detailed records and reports for special purposes. This statement deals only with those general purpose financial statements on which an independent accountant's opinion is expressed.

  4. Right sided double inferior vena cava with obstructed retrocaval ureter: Managed with single incision multiple port laparoscopic technique using "Santosh Postgraduate Institute tacking ureteric fixation technique".

    Science.gov (United States)

    Kumar, Santosh; Singh, Shivanshu; Garg, Nitin

    2015-04-01

    Right double inferior vena cava with obstructed retrocaval ureter is an extremely rare anomaly with only a few reported cases in the literature. To the best of our knowledge, this is the first case report describing ureteric repair by use of a single-incision laparoscopic technique. In addition, this report addresses the underlying surgical challenges of this repair and provides a brief review of the embryology of this anomaly. The "Santosh Postgraduate Institute ureteric tacking fixation technique" provides ease of end-to-end uretero-ureteric anastomosis in a single-incision laparoscopic surgery.

  5. Unusual presentation of metastatic adenocarcinoma of the lung

    Institute of Scientific and Technical Information of China (English)

    Blerina Resuli; Roberto Lisi; Daniela Musio; Vincenzo Tombolini

    2016-01-01

    On September 2013, a 62-year-old man with metastatic adenocarcinoma of the lung complained tenderness and pain of the first terminal phalange of his right hand. The biopsy confirmed metastatic adenocarcinoma of the lung to the finger. A single 8-Gy fraction of palliative radiotherapy was delivered to the patient's right hand. The patient received magnetic resonance-guided focused ultrasound surgery treatment to the phalange because he showed few improvement of clinical symptoms and persistence of moderate pain after radiotherapy. After magnetic resonance-guided focused ultrasound surgery, the clinical symptoms improved significantly. No serious adverse effects were reported and the patient compliance was very high. Our patient showed improvement of clinical symptoms after combined treatment. The patient remains in good health conditions.

  6. Unusual presentation of metastatic adenocarcinoma of the lung

    Institute of Scientific and Technical Information of China (English)

    Blerina Resuli; Roberto Lisi; Daniela Musio; Vincenzo Tombolini

    2016-01-01

    On September 2013, a 62-year-old man with metastatic adenocarcinoma of the lung complained tenderness and pain of the first terminal phalange of his right hand. The biopsy confirmed metastatic adenocarcinoma of the lung to the finger. A single 8-Gy fraction of palliative radiotherapy was delivered to the patient’s right hand. The patient received magnetic resonance-guided focused ultrasound surgery treatment to the phalange because he showed few improvement of clinical symptoms and persistence of moderate pain after radiotherapy. After magnetic resonance-guided focused ultrasound surgery, the clinical symptoms improved significantly. No serious adverse effects were reported and the patient compliance was very high. Our patient showed improvement of clinical symptoms after combined treatment. The patient remains in good health conditions.

  7. Transcriptomic Microenvironment of Lung Adenocarcinoma.

    Science.gov (United States)

    Bossé, Yohan; Sazonova, Olga; Gaudreault, Nathalie; Bastien, Nathalie; Conti, Massimo; Pagé, Sylvain; Trahan, Sylvain; Couture, Christian; Joubert, Philippe

    2017-03-01

    Background: Tissues surrounding tumors are increasingly studied to understand the biology of cancer development and identify biomarkers.Methods: A unique geographic tissue sampling collection was obtained from patients that underwent curative lobectomy for stage I pulmonary adenocarcinoma. Tumor and nontumor lung samples located at 0, 2, 4, and 6 cm away from the tumor were collected. Whole-genome gene expression profiling was performed on all samples (n = 5 specimens × 12 patients = 60). Analyses were carried out to identify genes differentially expressed in the tumor compared with adjacent nontumor lung tissues at different distances from the tumor as well as to identify stable and transient genes in nontumor tissues with respect to tumor proximity.Results: The magnitude of gene expression changes between tumor and nontumor sites was similar with increasing distance from the tumor. A total of 482 up- and 843 downregulated genes were found in tumors, including 312 and 566 that were consistently differentially expressed across nontumor sites. Twenty-nine genes induced and 34 knocked-down in tumors were also identified. Tumor proximity analyses revealed 15,700 stable genes in nontumor lung tissues. Gene expression changes across nontumor sites were subtle and not statistically significant.Conclusions: This study describes the transcriptomic microenvironment of lung adenocarcinoma and adjacent nontumor lung tissues collected at standardized distances relative to the tumor.Impact: This study provides further insights about the molecular transitions that occur from normal tissue to lung adenocarcinoma and is an important step to develop biomarkers in nonmalignant lung tissues. Cancer Epidemiol Biomarkers Prev; 26(3); 389-96. ©2016 AACR.

  8. Adenocarcinoma uretral em uma cadela Urethral adenocarcinoma in a bitch

    Directory of Open Access Journals (Sweden)

    Marcia Cristina da Silva

    2005-08-01

    Full Text Available Tumores primários de uretra são raros em animais e há poucos relatos em cães. A ocorrência é maior em cadelas idosas, não havendo predileção por raça. Disúria, estrangúria e hematúria são sinais clínicos associados a esses tumores. É relatado um caso de adenocarcinoma primário de uretra em um cadela Poodle de 12 anos de idade que apresentava aumento de volume no membro pélvico esquerdo. Na necropsia, foram encontradas metástases na articulação femorotibial esquerda, na glândula adrenal e no rim.Urethral primary tumors are rare in animals and there are only few reports in dogs. They are more frequent in old bitches and have no breed predilection. Clinical signs associated with urethral primary tumors include dysuria, strangury and hematuria. We report a case of primary urethral adenocarcinoma in a 12-year-old female Poodle that was presented with localized volume enlargement in the left pelvic limb. At necropsy metastasis were found at the left femorotibial joint, adrenal gland and kidney.

  9. Sigmoid adenocarcinoma with renal metastasis

    Directory of Open Access Journals (Sweden)

    Carini Dagnoni

    2011-11-01

    Full Text Available We report a case of a 75-year-old man submitted to a rectosigmoidectomy and partial cystectomy because of a sigmoid cancer and colovesical fistula. Seven months later and after four cycles of adjuvant chemotherapy, a lesion was detected in the kidney. Histology revealed tubular adenocarcinoma, which meant sigmoid cancer metastasis. Kidney metastases are very rare in colorectal cancer (CRC, but may be generally associated with an unfavorable prognosis. Thus, patients with metastatic CRC and kidney tumors are a diagnostic and therapeutic challenge.

  10. Neurological manifestation of colonic adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Uzair Chaudhary

    2012-04-01

    Full Text Available Paraneoplastic neurologic disorders are extremely rare in cancer patients and are most commonly associated with certain tumors, such as ovarian cancer, small cell lung cancer, and breast cancer. We report here a paraneoplastic neurological syndrome in a 53-year-old man with colonic adenocarcinoma with a solitary liver metastasis. His paraneoplastic syndrome was successfully treated by methylprednisolone and primary oncologic therapies including neoadjuvant chemotherapy and definitive surgery. This is also the first documented case of simultaneous manifestation of a sensory neuropathy and limbic encephalitis with colon cancer.

  11. MYC and gastric adenocarcinoma carcinogenesis

    Institute of Scientific and Technical Information of China (English)

    Danielle Queiroz Calcagno; Mariana Ferreira Leal; Paulo Pimentel Assumpcao; Marilia de Arruda Cardoso Smith; Rommel Rodriguez Burbano

    2008-01-01

    MYC is an oncogene involved in cell cycle regulation, cell growth arrest, cell adhesion, metabolism, ribosome biogenesis, protein synthesis, and mitochondrial function. It has been described as a key element of several carcinogenesis processes in humans. Many studies have shown an association between MYC deregulation and gastric cancer. MYC deregulation is also seen in gastric preneoplastic lesions and thus it may have a role in early gastric carcinogenesis. Several studies have suggested that amplification is the main mechanism of MYC deregulation in gastric cancer. In the present review, we focus on the deregulation of the MYC oncogene in gastric adenocarcinoma carcinogenesis, including its association with Helicobacter pylori (H pylori) and clinical applications.

  12. Cytoreductive Surgery and Heated Intraperitoneal Chemotherapy for Peritoneal Carcinomatosis Secondary to Mucinous Adenocarcinoma of the Appendix

    Science.gov (United States)

    Sparks, David S.; Morris, Bradley; Xu, Wen; Fulton, Jessica; Atkinson, Victoria; Meade, Brian; Lutton, Nicholas

    2015-01-01

    Cytoreductive surgery (CRS) followed by hyperthermic intraperitoneal chemotherapy (HIPEC) is a radical but effective treatment option for select peritoneal malignancies. We sought to determine our early experience with this method for peritoneal carcinomatosis secondary to mucinous adenocarcinomas of appendiceal origin. As such, we performed a retrospective clinical study of 30 consecutive patients undergoing CRS with planned HIPEC at the Princess Alexandra Hospital, between June 2009 to December 2012, with mucinous adenocarcinomas of the appendix. CRS was performed in 30 patients, 13 received HIPEC intraoperatively and 17 received early postoperative intra-peritoneal chemotherapy (EPIC) in addition. Mean age was 52.3 years and median hospital stay was 26 days (range 12–190 days). Peritoneal cancer index scores were 0–10 in 6.7% of patients, 11–20 in 20% of patients and >20 in 73.3% of patients. Complete cytoreduction was achieved overall in 21 patients. In total, 106 complications were observed in 28 patients. Ten were grade 3-A, five were grade 3-B and one grade-5 secondary to a fatal PE on day 97. In patients who received HIPEC, there was no difference in disease-free survival (P = 0.098) or overall survival (P = 0.645) between those who received EPIC versus those who did not. This study demonstrates that satisfactory outcomes with regards to morbidity and survival can be achieved with CRS and HIPEC, at a single-centre institution with growing expertise in the technique. Our results are comparable with outcomes previously described in the international literature. PMID:25594636

  13. Lysosomal exoglycosidases in serum and urine of patients with pancreatic adenocarcinoma.

    Directory of Open Access Journals (Sweden)

    Anna Stypułkowska

    2010-11-01

    Full Text Available Lysosomal exoglycosidases: N-acetyl-β-D-hexosaminidase (HEX, β-D-galactosidase (GAL, ι-L-fucosidase (FUC and ι-D-mannosidase (MAN modify oligosaccharide chains of glycoconjugates in endoplasmatic reticulum and/or Golgi apparatus and degrade them in lysosomes. In acid environment of lysosome, exoglycosidases degrade oligosaccharide chains of glycoproteins, glycolipids and glycosaminoglycans by eliminating single sugars from the edges of oligosaccharide chains. Neoplasms change biochemical processes in tissues and may significantly change the activity of many enzymes including the activity of lysosomal exoglycosidasses in serum and urine of persons with neoplasmatic diseases. The aim of the present paper was evaluation the activity of HEX, GAL, FUC and MAN in serum and urine of patients with pancreatic adenocarcinoma. Serum and urine samples were collected from 15 patients with adenocarcinoma of the pancreas and 15 healthy persons. The activity of lysosomal exoglycosidases was determined by the method of Marciniak et al. adapted to serum and urine of patients with adenocarcinoma of the pancreas. Our results indicate significant decrease in activity of GAL (p=0.037 in serum of patients with pancreatic adenocarcinoma, significant increase in activity of HEX (p<0.001 and FUC (p=0.027 in serum, and HEX (p=0.003 in urine, as well as significant decrease of FUC (p=0.016 and MAN (p=0.029 in urine o patients with adenocarcinoma of the pancreas, in comparison to the control group. Increase in activity of some lysosomal enzymes in serum and urine of pancreatic adenocarcinoma patients, may indicate on destruction of pancreatic tissue by pancreatic adenocarcinoma. Determination of the HEX, GAL, FUC and MAN in serum and urine may be useful in diagnostics of pancreatic adenocarcinoma.

  14. Adenocarcinoma of the nose and paranasal sinuses in woodworkers in the state of Victoria, Australia.

    Science.gov (United States)

    Ironside, P; Matthews, J

    1975-09-01

    The case index of the Cancer Institute of Victoria (Australia) contained 19 cases of adenocarcinoma of the nose and paranasal sinuses. Eighteen of the cases were in men and 1 in a women. Routine questioning of these patients revealed an occupation involving woodworking in 7 cases, whereas among 80 cases of other malignant tumors of the nose and sinuses there were only 4 who had been woodworkers. Among the patients with adenocarcinoma of the nose and sinuses, there was a significantly higher proportion of woodworkers than in the general population. The findings are consistent with European reports associating nasal adenocarcinoma with wood dust, but whereas the workers at risk in Europe are mainly in the furniture industry, some of the workers affected in Victoria have been sawmillers or carpenters. The specific salivary patterns of tumors of mucous glands are not associated with woodworking.

  15. MicroRNA expression profiles associated with pancreatic adenocarcinoma and ampullary adenocarcinoma

    DEFF Research Database (Denmark)

    Schultz, Nicolai A; Werner, Jens; Willenbrock, Hanni;

    2012-01-01

    MicroRNAs have potential as diagnostic cancer biomarkers. The aim of this study was (1) to define microRNA expression patterns in formalin-fixed parafin-embedded tissue from pancreatic ductal adenocarcinoma, ampullary adenocarcinoma, normal pancreas and chronic pancreatitis without using micro......, normal pancreas and duodenal adenocarcinoma. In all, 43 microRNAs had higher and 41 microRNAs reduced expression in pancreatic cancer compared with normal pancreas. In all, 32 microRNAs were differently expressed in pancreatic adenocarcinoma compared with chronic pancreatitis (17 higher; 15 reduced......-dissection and (2) to discover new diagnostic microRNAs and combinations of microRNAs in cancer tissue. The expression of 664 microRNAs in tissue from 170 pancreatic adenocarcinomas and 107 ampullary adenocarcinomas were analyzed using a commercial microRNA assay. Results were compared with chronic pancreatitis...

  16. [An unusual secondary localization of bronchial adenocarcinoma].

    Science.gov (United States)

    Mirallie, E; Courant, O; Sagan, C; Letessier, E; Paineau, J; Visset, J

    1993-01-01

    The authors report a rare case of metastatic carcinoma of the large bowel, secondary to a primary bronchogenic adenocarcinoma. Abdominal pain developed in a 44-year old man 5 months after lobectomy for lung adenocarcinoma. The diagnosis of a large caecal extraluminal mass was established by means of sonography, scanner and laparoscopy. Palliative resection (brain metastases) was performed. Postoperative histological examination revealed the resected tumor to be identical to the lung adenocarcinoma. The patient eventually died 4 months after resection (complication of intracranial hypertension). Diagnosis and therapeutic features of metastatic extra-thoracic lung carcinoma are discussed.

  17. [Why oesophageal adenocarcinoma is occurring more frequently].

    Science.gov (United States)

    Doorakkers, Eva; Brusselaers, Nele

    2015-01-01

    The incidence of oesophageal adenocarcinoma has increased rapidly over the past decades in the Western world. The prognosis is poor with a mean 5-year survival rate of 19% in the Netherlands. Important risk factors that might account for this rising incidence are reflux, obesity and the absence of Helicobacter pylori. Oesophageal adenocarcinoma is 9 times more likely in men than in women. The reason for this much higher incidence of adenocarcinoma in men is still unclear, but sex hormones may play a role.

  18. Preoperative evaluation of oesophageal adenocarcinoma.

    Science.gov (United States)

    Khanna, Lauren G; Gress, Frank G

    2015-02-01

    The preoperative evaluation of oesophageal adenocarcinoma involves endoscopic ultrasound (EUS), computed tomography (CT), and positron emission tomography (PET). With routine Barrett's oesophagus surveillance, superficial cancers are often identified. EUS, CT and PET have a limited role in the staging of superficial tumours. Standard EUS has limited accuracy, but high frequency ultrasound miniprobes are valuable for assessing tumour stage in superficial tumours. However, the best method for determining depth of invasion, and thereby stage of disease, is endoscopic mucosal resection. In contrast, in advanced oesophageal cancers, a multi-modality approach is crucial. Accurate tumour staging is very important since the treatment of advanced cancers involves a combination of chemotherapy, radiation, and surgery. EUS is very useful for staging of the tumour and nodes. High frequency ultrasound miniprobes provide the ability to perform staging when the lesion is obstructing the oesophageal lumen. CT and PET provide valuable information regarding node and metastasis staging.

  19. Rare coexistence of sarcoidosis and lung adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Amit Girish Kachalia

    2014-01-01

    Conclusion: While evidence is still lacking regarding association between sarcoidosis and lung adenocarcinoma, it is important for clinicians to exclude metastatic malignancy in patients exhibiting clinical and radiographic findings consistent with sarcoidosis.

  20. Transjugular Intrahepatic Portosystemic Shunt for Treatment of Cirrhosis-related Chylothorax and Chylous Ascites: Single-institution Retrospective Experience

    Energy Technology Data Exchange (ETDEWEB)

    Kikolski, Steven G., E-mail: skikolski@ucsd.edu; Aryafar, Hamed, E-mail: haryafar@ucsd.edu; Rose, Steven C., E-mail: scrose@ucsd.edu [University of California San Diego Health Sciences, Department of Radiology (United States); Roberts, Anne C., E-mail: acroberts@ucsd.edu [University of California San Diego Health Sciences, Department of Vascular and Interventional Radiology (United States); Kinney, Thomas B., E-mail: tbkinney@ucsd.edu [University of California San Diego Health Sciences, Department of Radiology (United States)

    2013-08-01

    PurposeTo investigate the efficacy and safety of the use of transjugular intrahepatic portosystemic shunt (TIPS) creation to treat cirrhosis-related chylous collections (chylothorax and chylous ascites).MethodsWe retrospectively reviewed data from four patients treated for refractory cirrhosis-related chylous collections with TIPS at our institution over an 8 year period.ResultsOne patient had chylothorax, and three patients had concomitant chylothorax and chylous ascites. There were no major complications, and the only procedure-related complications occurred in two patients who had mild, treatable hepatic encephalopathy. All patients had improvement as defined by decreased need for thoracentesis or paracentesis, with postprocedure follow-up ranging from 19 to 491 days.ConclusionTIPS is a safe procedure that is effective in the treatment of cirrhosis-related chylous collections.

  1. Primary intracranial soft tissue sarcomas in children, adolescents, and young adults: single institution experience and review of the literature.

    Science.gov (United States)

    Maher, Ossama M; Khatua, Soumen; Mukherjee, Devashis; Olar, Adriana; Lazar, Alexander; Luthra, Raja; Liu, Diane; Wu, Jimin; Ketonen, Leena; Zaky, Wafik

    2016-03-01

    There is a paucity of literature reporting the outcome of intracranial sarcomas (IS) in children, adolescents, and young adults (CAYA). A multimodal therapeutic approach is commonly used, with no well-established treatment consensus. We conducted a retrospective review of CAYA with IS, treated at our institution, to determine their clinical findings, treatments, and outcomes. Immunohistochemistry (PDGFRA and EGFR) and DNA sequencing were performed on 5 tumor samples. A literature review of IS was also conducted. We reviewed 13 patients (median age, 7 years) with a primary diagnosis of IS between 1990 and 2015. Diagnoses included unclassified sarcoma (n = 9), chondrosarcoma (n = 2), and rhabdomyosarcoma (n = 2). Five patients underwent upfront gross total resection (GTR) of the tumor. The 5-drug regimen (vincristine, doxorubicin, cyclophosphamide, etoposide, and ifosfamide) was the most common treatment used. Nine patients died due to progression or recurrence (n = 8) or secondary malignancy (n = 1). The median follow-up period of the 4 surviving patients was 1.69 years (range 1.44-5.17 years). The 5-year progression-free survival and overall survival rates were 21 and 44 %, respectively. BRAF, TP53, KRAS, KIT, ERBB2, MET, RET, ATM, and EGFR mutations were detected in 4 of the 5 tissue samples. All 5 samples were immunopositive for PDGFRA, and only 2 were positive for EGFR. IS remain a therapeutic challenge due to high progression and recurrence rates. Collaborative multi-institutional studies are warranted to delineate a treatment consensus and investigate tumor biology to improve the disease outcome.

  2. Social and Demographic Factors Influencing Inferior Vena Cava Filter Retrieval at a Single Institution in the United States

    Energy Technology Data Exchange (ETDEWEB)

    Smith, S. Christian, E-mail: csmith@aemrc.arizona.edu; Shanks, Candace, E-mail: Candace.Shanks@osumc.edu; Guy, Gregory, E-mail: Gregory.Guy@osumc.edu; Yang, Xiangyu, E-mail: Xiangyu.Yang@osumc.edu; Dowell, Joshua D., E-mail: Joshua.Dowell@osumc.edu [The Ohio State University Wexner Medical Center, Division of Interventional Radiology, Department of Radiology (United States)

    2015-10-15

    PurposeRetrievable inferior vena cava filters (IVCFs) are associated with long-term adverse events that have increased interest in improving filter retrieval rates. Determining the influential patient social and demographic factors affecting IVCF retrieval is important to personalize patient management strategies and attain optimal patient care.Materials and MethodsSeven-hundred and sixty-two patients were retrospectively studied who had a filter placed at our institution between January 2011 and November 2013. Age, gender, race, cancer history, distance to residence from retrieval institution, and insurance status were identified for each patient, and those receiving retrievable IVCFs were further evaluated for retrieval rate and time to retrieval.ResultsOf the 762 filters placed, 133 were permanent filters. Of the 629 retrievable filters placed, 406 met the inclusion criteria and were eligible for retrieval. Results revealed patients with Medicare were less likely to have their filters retrieved (p = 0.031). Older age was also associated with a lower likelihood of retrieval (p < 0.001) as was living further from the medical center (p = 0.027). Patients who were white and had Medicare were more likely than similarly insured black patients to have their filters retrieved (p = 0.024).ConclusionsThe retrieval rate of IVCFs was most influenced by insurance status, distance from the medical center, and age. Race was statistically significant only when combined with insurance status. The results of this study suggest that these patient groups may need closer follow-up in order to obtain optimal IVCF retrieval rates.

  3. A contemporary, single-institutional experience of surgical versus expectant management of congenital heart disease in trisomy 13 and 18 patients.

    Science.gov (United States)

    Costello, John P; Weiderhold, Allison; Louis, Clauden; Shaughnessy, Conner; Peer, Syed M; Zurakowski, David; Jonas, Richard A; Nath, Dilip S

    2015-06-01

    The objective of this study was to examine a large institutional experience of patients with trisomy 13 and trisomy 18 in the setting of comorbid congenital heart disease and present the outcomes of surgical versus expectant management. It is a retrospective single-institution cohort study. Institutional review board approved this study. Thirteen consecutive trisomy 18 patients and three consecutive trisomy 13 patients (sixteen patients in total) with comorbid congenital heart disease who were evaluated by our institution's Division of Cardiovascular Surgery between January 2008 and December 2013 were included in the study. The primary outcome measures evaluated were operative mortality (for patients who received surgical management), overall mortality (for patients who received expectant management), and total length of survival during follow-up. Of the thirteen trisomy 18 patients, seven underwent surgical management and six received expectant management. With surgical management, operative mortality was 29 %, and 80 % of patients were alive after a median follow-up of 116 days. With expectant management, 50 % of patients died before hospital discharge. Of the three patients with trisomy 13, one patient underwent surgical management and two received expectant management. The patient who received surgical management with complete repair was alive at last follow-up over 2 years after surgery; both patients managed expectantly died before hospital discharge. Trisomy 13 and trisomy 18 patients with comorbid congenital heart disease can undergo successful cardiac surgical intervention. In this population, we advocate that nearly all patients with cardiovascular indications for operative congenital heart disease intervention should be offered complete surgical repair over palliative approaches for moderately complex congenital cardiac anomalies.

  4. Setting up a Prospective Thyroid Biobank for Translational Research: Practical Approach of a Single Institution (2004-2009, Pasteur Hospital, Nice, France).

    Science.gov (United States)

    Lassalle, Sandra; Hofman, Véronique; Ilie, Marius; Butori, Catherine; Bonnetaud, Christelle; Gaziello, Marie Clotilde; Selva, Eric; Gavric-Tanga, Virginie; Guevara, Nicolas; Castillo, Laurent; Santini, José; Chabannon, Christian; Hofman, Paul

    2011-03-01

    In the last few years, conditions for setting up a human biobank in France have been upgraded by taking into account (1) the new laws and regulations that integrate the ethical and societal dimension of biobanking and delineate the risks for patients associated with the procurement of human cells and tissues, (2) the increasing request by scientists for human samples with proven biological quality and sophisticated sets of annotations, including information produced through the evergrowing use of molecular biology in pathology, and (3) establishment of procedures concerning the safety of the personnel working with biological products. For this purpose, health authorities and national research institutes in France have provided significant support for the set up of biobanks. The present work was conducted to describe how we set up a biobank targeting diseases of a specific organ (thyroid gland), with the aim of rapidly developing translational research projects. The prospective experience of a single institution (Pasteur Hospital, Nice, France) over a 6-year period (2004-2009) is presented from the practical point of view of a surgical pathology laboratory. We describe different procedures required to obtain high-quality thyroid biological resources and clinical annotations. The procedures were established for the management of biological products obtained from 1454 patients who underwent thyroid surgery. The preanalytical steps leading to the storage of frozen specimens were carried out in parallel with diagnostic procedures. As the number of international networks for research programs using biological products is steadily increasing, it is crucial to harmonize the procedures used by biobanks. In this regard, the described thyroid biobank has been set up using criteria established by the French National Cancer Institute (Institut National du Cancer) to guarantee the quality of different collections stored in biobanks.

  5. Stratified epithelium in prostatic adenocarcinoma: a mimic of high-grade prostatic intraepithelial neoplasia.

    Science.gov (United States)

    Hameed, Omar; Humphrey, Peter A

    2006-07-01

    Typically glands of prostatic adenocarcinoma have a single cell lining, although stratification can be seen in invasive carcinomas with a cribriform architecture, including ductal carcinoma. The presence and diagnostic significance of stratified cells within non-cribriform carcinomatous prostatic glands has not been well addressed. The histomorphological features and immunohistochemical profile of cases of non-cribriform prostatic adenocarcinoma with stratified malignant glandular epithelium were analyzed. These cases were identified from needle biopsy cases from the consultation files of one of the authors and from a review of 150 consecutive in-house needle biopsy cases of prostatic adenocarcinoma. Immunohistochemistry was performed utilizing antibodies reactive against high molecular weight cytokeratin (34betaE12), p63 and alpha-methylacyl-coenzyme-A racemase (AMACR). A total of 8 cases were identified, including 2 from the 150 consecutive in-house cases (1.3%). In 4 cases, the focus with glands having stratified epithelium was the sole carcinomatous component in the biopsy, while such a component represented 5-30% of the invasive carcinoma seen elsewhere in the remaining cases. The main attribute in all these foci was the presence of glandular profiles lined by several layers of epithelial cells with cytological and architectural features resembling flat or tufted high-grade prostatic intraepithelial neoplasia, but lacking basal cells as confirmed by negative 34betaE12 and/or p63 immunostains in all cases. The AMACR staining profile of the stratified foci was variable, with 4 foci showing positivity, and 3 foci being negative, including two cases that displayed AMACR positivity in adjacent non-stratified prostatic adenocarcinoma. Prostatic adenocarcinoma with stratified malignant glandular epithelium can be identified in prostate needle biopsy samples harboring non-cribriform prostatic adenocarcinoma and resembles glands with high-grade prostatic

  6. Gliosarcoma: An audit from a single institution in India of 24 post-irradiated cases over 15 years

    Directory of Open Access Journals (Sweden)

    Kumar Piyush

    2008-01-01

    Full Text Available Background: Gliosarcomas (GS are biphasic brain tumors composed of glioblastoma multiforme (GBM and sarcomatous component. Therapeutic approaches include maximum surgical decompression with postoperative radiotherapy. Outcomes in gliosarcoma are poor despite multimodality management. Aims: To analyze the outcome in patients of GS treated in our institute over a period of 15 years and compare it with GBM treated during the same period. Settings and Design: Clinical records of the post-irradiated GS patients and GBM patients seen between 1990 and 2004 were retrieved. Materials and Methods: Demographic and treatment variables were evaluated for their influence on overall survival (OS. The survival outcomes of GBM and GS treated during the same period were also compared. Statistical Analysis: Univariate analysis was carried out using the Kaplan-Meier method and tested using log-rank test for significance. Results: During these 15 years, 24 evaluable GS patients were treated as compared to 251 evaluable patients of GBM. There was a slight male preponderance in GS (14 males vs.10 females with a median age of 50 years. All patients underwent surgery followed by post-operative radiotherapy (median dose of 60 Gy. None of the patient or treatment related factors were found to be significantly influencing their OS. Median OS in GS was 7.3 months compared to 7.5 months in GBM patients (P = 0.790. Conclusions: The OS appears to be similar for GS and GBM. None of the demographic variables appeared to prognosticate the survivals of GS.

  7. Clinical features and outcomes of plasma cell leukemia: a single-institution experience in the era of novel agents

    Directory of Open Access Journals (Sweden)

    Giampaolo Talamo

    2012-06-01

    Full Text Available Plasma cell leukemia (PCL is a rare hematologic malignancy with aggressive clinical and biologic features. Data regarding its prognosis with the use of the novel agents, i.e., the immunomodulatory drugs thalidomide and lenalidomide, and the proteasome inhibitor bortezomib, are limited. We retrospectively reviewed clinical outcomes, response to therapy, and survival of 17 patients seen at the Penn State Hershey Cancer Institute since the availability of novel agents (2006-2011. Twelve patients had primary PCL (pPCL, and 5 second- ary PCL (sPCL. PCL was associated with aggressive clinicobiological features, such as high-risk cytogenetics, elevated serum beta-2-microglobulin and lactate dehydrogenase, International Staging System stage III, and rapid relapse after therapy. With the use of thalidomide, lenalidomide, and bortezomib in 53%, 53%, and 88% patients, respectively, median overall survival (OS was 18 months in the whole group (95% confidence interval, 11-21 months, and 21 and 4 months in pPCL and sPCL, respectively (P=0.015. OS was inferior to that of 313 consecutive patients with multiple myeloma (MM treated in the same period, even when compared with a subset of 47 MM with high-risk cytogenetics. Although our data are limited by the small sample size, we conclude that novel agents may modestly improve survival in patients with PCL, when compared to historical controls. Novel therapies do not seem to overcome the negative prognosis of PCL as compared with MM.

  8. Cryotherapy for Primary Treatment of Prostate Cancer: Intermediate Term Results of a Prospective Study from a Single Institution

    Directory of Open Access Journals (Sweden)

    S. Alvarez Rodríguez

    2014-01-01

    Full Text Available Purpose. Published data about cryotherapy for prostate cancer (PC treatment are based on case series with a lack of clinical trials and the inexistence of a validated definition of biochemical failure. A prospective study with standardized followup protocol was conducted in our institution. Material and Methods. Prospective study of a series of cases including 108 patients diagnosed with localized PC at clinical stage T1c-T2c treated by primary cryoablation and median followup of 61 months. Criteria of biochemical recurrence were unified according to the American Society for Therapeutic Radiology and Oncology (ASTRO. End points were biochemical progression-free survival (BPFS, cancer-specific survival, and overall survival. Rate of complications was reported. Results. The BPFS for low-, medium-, and high-risk patients was 96.4%, 91.2%, and 62.2%, respectively. Cancer-specific survival was 98.1%. Overall survival reached 94.4%. Complications included incontinence in 5.6%, urinary tract obstruction in 1.9%, urethral sloughing in 5.6%, haematuria in 1.9%, perineal pain in 11.1%, and prostatorectal fistula in 0.9%. Erectile disfunction was found in 98.1%. Conclusions. Cryotherapy is an effective and minimally invasive treatment for primary PC in well-selected cases, with low surgical risk and good results in terms of BPFS, cancer-specific survival, and overall survival.

  9. Cryotherapy for Primary Treatment of Prostate Cancer: Intermediate Term Results of a Prospective Study from a Single Institution

    Science.gov (United States)

    Rodríguez, S. Alvarez; Arias Fúnez, F.; Bueno Bravo, C.; Rodríguez-Patrón Rodríguez, R.; Sanz Mayayo, E.; Palacios, V. Hevia; Burgos Revilla, F. J.

    2014-01-01

    Purpose. Published data about cryotherapy for prostate cancer (PC) treatment are based on case series with a lack of clinical trials and the inexistence of a validated definition of biochemical failure. A prospective study with standardized followup protocol was conducted in our institution. Material and Methods. Prospective study of a series of cases including 108 patients diagnosed with localized PC at clinical stage T1c-T2c treated by primary cryoablation and median followup of 61 months. Criteria of biochemical recurrence were unified according to the American Society for Therapeutic Radiology and Oncology (ASTRO). End points were biochemical progression-free survival (BPFS), cancer-specific survival, and overall survival. Rate of complications was reported. Results. The BPFS for low-, medium-, and high-risk patients was 96.4%, 91.2%, and 62.2%, respectively. Cancer-specific survival was 98.1%. Overall survival reached 94.4%. Complications included incontinence in 5.6%, urinary tract obstruction in 1.9%, urethral sloughing in 5.6%, haematuria in 1.9%, perineal pain in 11.1%, and prostatorectal fistula in 0.9%. Erectile disfunction was found in 98.1%. Conclusions. Cryotherapy is an effective and minimally invasive treatment for primary PC in well-selected cases, with low surgical risk and good results in terms of BPFS, cancer-specific survival, and overall survival. PMID:24693437

  10. Role of surgical resection in treatment of pancreatic adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Milošević Pavle

    2011-01-01

    Full Text Available Introduction. Pancreatic adenocarcinoma is the fifth leading cause of death from malignant diseases. The total five-year rate is bellow 5%, but in patients who underwent pancreatic resection, the fiveyear rate may be up to 20%. Surgical resection is still the only therapeutic option that offers the possibility of cure. In recent decades, the perioperative mortality rate has been significantly reduced in the institutions performing a number of these operations per year and has become less than 5%. Postoperative morbidity remains high. Material and Methods. The results of surgical resection in the treatment of pancreatic adenocarcinoma have been analyzed. A retrospective study included the patients operated at the Department for Abdominal, Endocrine and Transplantation surgery, Clinical Center of Vojvodina. Results. In the period from February 1st 1998 to February 1st 2007 a total of 67 patients with pancreatic adenocarcinoma underwent resection. The average age of patients was 58.81±1.42 years. There were 44 (65.7% male and 23 (34.3% female patients. The most common locations of cancer were the head, then the body and the tail of the pancreas and they were found in 57 (85.1% cases, 7 (10,4% cases and 3 (4,47% cases, respectively. The postoperative mortality appeared in 3 (4.47% cases and postoperative morbidity in 21 (31.3% cases. The average survival was 22.89± 3.87 months, the median being 9.0±2.18 months. The five-year survival rate was 13.5%. Conclusion. For patients with pancreatic cancer, surgical resection still remains the only chance of cure. These procedures are performed with acceptable postoperative mortality and morbidity rate. The percentage of cured patients is still unsatisfactorily low.

  11. Emerging radiotherapy technology in a developing country: A single Brazilian institution assessment of stereotactic body radiotherapy application

    Directory of Open Access Journals (Sweden)

    Fabio Ynoe Moraes

    Full Text Available Summary Objective: To provide a quantitative profile of the indications and use of stereotactic body radiotherapy (SBRT in a developing country oncology-based institution. In addition, to describe the patients' and treatment characteristics, and to provide a temporal analysis. Method: SBRT patients treated from 2007 to 2015 were retrospectively evaluated by two independently investigators. Data were stratified and compared in two periods: first experience (FE (May 2007 to April 2011, and following experience (FollowE (May 2011 to April 2015. The following parameters were compared between the groups: total number of treated patients and lesions, treatment site, additional image fusion used, formal protocol adoption, and SBRT planning technique. Results: One hundred and seventy-six (176 patients with 191 lesions were treated: 34 (18% lesions in the FE and 157 (82% lesions in FollowE. The majority of lesions were metastases (60.3%, and lung (60.2% was the most common treatment site, followed by spine (31%, and others (8.8%. An average of 1.4 (±0.6 additional imaging exams for delineation was performed. Conformal 3D radiotherapy planning technique was used in 64.4%, and intensity modulated radiotherapy (IMRT or volumetric-modulated arc therapy (VMAT in the remaining 35.6% (p=0.0001. Higher rates of curative treatments were observed in FE, as well as more lung lesions, patients ≥ 70 years, 3D conformal, number of additional images and ECOG 0, and all presented p<0.05. The global rate of protocol statement was 79%, lung treatment being the most stated. Conclusion: SBRT application is rapidly increasing in our setting. Treatment sites and planning techniques are becoming more diversified and complex.

  12. Clinical features and therapeutic outcomes of acromegaly during the recent 10 years in a single institution in Japan.

    Science.gov (United States)

    Fukuda, Izumi; Hizuka, Naomi; Muraoka, Toko; Kurimoto, Makiko; Yamakado, Yu; Takano, Kazue; Ichihara, Atsuhiro

    2014-02-01

    Untreated acromegaly is associated with a twofold to fourfold increased mortality risk compared to the population. Recently, new therapeutic modalities have been developed and may contribute to an improvement in treatment outcomes in patients with acromegaly. In the current study we determined the clinical features and recent therapeutic outcomes in patients with acromegaly. The initial symptoms, selected therapeutic modalities, and outcomes in 125 patients with acromegaly (M/F, 49/76, 19-86 years) who were admitted to our institution between 2001 and 2010 were analyzed using medical charts. The basal GH levels and IGF-I SD scores in the patients ranged from 0.17 to 90.21 μg/L and 1.9-13.6, respectively. Acral enlargement (face, hands, and feet) without overt complications was essential to the diagnosis in 49 % of the patients. In these cases, it required 5 years to establish the diagnosis of acromegaly after symptom onset. Twenty (16 %) and 13 (10 %) patients had diabetes mellitus and hypertension 6 years prior to the diagnosis of acromegaly, respectively. In 35 patients with microadenomas, the rate of controlled cases following transsphenoidal surgery was 93 %. In 90 patients with macroadenomas, the remission rate was 79 % with multidisciplinary treatment. In cases in which the tumor extended beyond the lateral tangent of the internal carotid artery (Knosp grade ≥3), the remission rate was 33-56 %. Improvements in surgical techniques and medical therapies may contribute to increased rates of controlled cases in patients with acromegaly, although advanced lateral extension of the tumor remains a critical determinant of the therapeutic outcome.

  13. Radiation dose in pneumatic reduction of ileo-colic intussusceptions - results from a single-institution study

    Energy Technology Data Exchange (ETDEWEB)

    Cullmann, Jennifer L.; Heverhagen, Johannes T.; Puig, Stefan [Inselspital, University Hospital Bern, Institute for Diagnostic, Interventional, and Pediatric Radiology, Bern (Switzerland)

    2015-05-01

    Air enema under fluoroscopy is a well-accepted procedure for the treatment of childhood intussusception. However, the reported radiation doses of pneumatic reduction with conventional fluoroscopy units have been high in decades past. To compare current radiation doses at our institution to past doses reported by others for fluoroscopic-guided pneumatic reduction of ileo-colic intussusception in children. Since 2007 radiologists and residents in our department who perform reduction of intussusceptions have received a radiation risk training. We retrospectively analyzed the data of 45 children (5 months-8 years) who underwent a total of 48 pneumatic reductions of ileo-colic intussusception between 2008 and 2012. We analyzed data for screening time and dose area product (DAP) and compared these data to those reported up to and including the year 2000. Our mean screening time measured by the DAP-meter was 53.8 s (range 1-320 s, median 33.0 s). The mean DAP was 11.4 cGy circle cm{sup 2} (range 1-145 cGy circle cm{sup 2}, median 5.45 cGy circle cm{sup 2}). There was one bowel perforation, in a 1-year-old boy requiring surgical revision. Only three studies in the literature presented radiation exposure results on children who received pneumatic or hydrostatic reduction of intussusception under fluoroscopy. Screening times and dose area products in those studies, which were published in the 1990s and in the year 2000, were substantially higher than those in our sample. Low-frequency pulsed fluoroscopy and other dose-saving keys as well as the radiation risk training might have helped to improve the quality of the procedure in terms of radiation exposure. (orig.)

  14. Adenocarcinoma involving the uterine cervix: magnetic resonance imaging findings in tumours of endometrial, compared with cervical, origin

    Energy Technology Data Exchange (ETDEWEB)

    Haider, M.A. [Univ. of Toronto, Dept. of Medical Imaging, Univ. Health Network, Mount Sinai Hospital, Toronto, Ontario (Canada)]. E-mail: mhaider@utoronto.ca; Patlas, M. [McMaster Univ., Dept. of Radiology, Hamilton General Hospital, Hamilton, Ontario (Canada); Jhaveri, K. [Univ. of Toronto, Dept. of Medical Imaging, Univ. Health Network, Mount Sinai Hospital, Toronto, Ontario (Canada); Chapman, W. [Univ. of Toronto, Dept. of Pathology, Univ. of Health Network, Toronto, Ontario (Canada); Fyles, A. [Univ. of Toronto, Dept. of Radiation Oncology, Princess Margaret Hospital, Univ. Health Network, Toronto, Ontario (Canada); Rosen, B. [Univ. of Toronto, Dept. of Obstetrics and Gynecology, Univ. Health Network, Toronto, Ontario (Canada)

    2006-02-15

    To determine the distinctive magnetic resonance imaging (MRI) features of cervical and endometrial adenocarcinoma that present clinically as cervical mass. From 1999 to 2002, 56 patients with adenocarcinoma on the initial biopsy of a cervical mass underwent MRI at our institution. Of these, 42 had a visible mass on MRI. Pathology review of all available tissue was the reference standard. A site of origin was determined by the pathologist in 38 of the 42 patients, and these were the cases evaluated; of these patients, 32 cases had adenocarcinoma and 6 had adenosquamous cancers. Findings were significantly more prevalent in patients with adenocarcinomas of endometrial, compared with cervical, origin for endometrial thickening (11 [73%] and 3 [13%], respectively; P = 0.0003), endometrial mass (11 [73%] and 1 [4%], respectively; P < 0.0001), endometrial cavity expansion by a mass (9 [60%] and 2 [9%], respectively; P = 0.001), and invasion of myometrium from endometrium (9 [60%] and 0, respectively; P < 0.0001). Adenocarcinomas of the endometrium that involve the cervix have MRI features that help distinguish them from primary adenocarcinomas of the cervix. (author)

  15. Urothelial-Type adenocarcinoma of the prostate mimicking metastatic colorectal adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Brian P. Adley

    2006-12-01

    Full Text Available Adenocarcinoma arising in urinary bladder or prostatic urethra is uncommon. When they occur, the tumor can be mistaken for metastatic lesions, especially from the colon. Here we report the fifth case of a primary urothelial-type adenocarcinoma arising in the prostate which showed enteric differentiation. The patient was a 55 year-old male whose prostatic needle core biopsy showed a high grade adenocarcinoma which was initially thought to be metastatic colon cancer. A follow-up colonoscopy was unremarkable. Subsequent prostatectomy revealed a high grade adenocarcinoma which was positive for cytokeratins 7 and 20, carcinoembryonic antigen, CDX2, and high molecular weight cytokeratin, and negative for prostate specific antigen, prostate specific acid phosphatase and AMACR. A diagnosis of urothelial-type adenocarcinoma of the prostate was rendered. We review the literature regarding this entity, and discuss the differential diagnosis, emphasizing utility of immunohistochemistry in making the diagnosis. Finally, we speculate on the behavior of these rare tumors.

  16. Rb and p53 gene deletions in lung adenocarcinomas from irradiated and control mice

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    Zhang, Y.; Woloschak, G.E. [Argonne National Lab., IL (United States). Center for Mechanistic Biology and Biotechnology

    1997-08-01

    This study was conducted on mouse lung adenocarcinoma tissues that were formalin-treated and paraffin-embedded 25 years ago to investigate the large gene deletions of mRb and p53 in B6CF{sub 1} male mice. A total of 80 lung tissue samples from irradiated mice and 40 lung samples from nonirradiated controls were randomly selected and examined in the mRb portion of this study. The results showed a significant (P < 0.05) higher percentage of mRb deletions in lung adenocarcinomas from mice exposed to 60 once-weekly {gamma}-ray doses than those from mice receiving 24 once-weekly {gamma}-ray doses at low doses and low dose rates; however, the percentage was not significantly different (P > 0.05) from that for spontaneous lung adenocarcinomas or lung adenocarcinomas from mice exposed to single-dose {gamma} irradiation at a similar total dose. mRb fragments 3 (71%) and 5 (67%), the parts of the gene that encoded the pocket binding region of Rb protein to adenovirus E1A and SV40 T-antigen, were the most frequently deleted fragments. p53 gene deletion analysis was carried out on normal lungs and lung adenocarcinomas that were initially found to bear mRb deletions. Exons 1,4,5,6, and 9 were chosen to be analyzed.

  17. Oesophageal adenocarcinoma: the new epidemic in men?

    Science.gov (United States)

    Rutegård, Martin; Lagergren, Pernilla; Nordenstedt, Helena; Lagergren, Jesper

    2011-07-01

    The last decades have witnessed an unprecedented rise in the incidence of oesophageal adenocarcinoma. This rise has mainly affected men, and current male-to-female sex ratio estimates range from 7-10 to 1. Major risk factors for oesophageal adenocarcinoma are gastro-oesophageal reflux disease and obesity, especially in combination. The prevalence of these risk factors has increased during the last decades, but there does not seem to be a marked differential distribution among men and women. However, reflux among men is more often associated with erosive reflux disease than it is among women. There is also evidence that male-type obesity, with a prominent abdominal distribution of fat, confers a greater risk increase for oesophageal adenocarcinoma than the female equivalent. Due to the marked male predominance and the finding that women tend to develop specialized intestinal metaplasia (Barrett's oesophagus) and adenocarcinoma at a later age than men, interest has been directed towards a potential aetiological role of reproductive factors and sex hormones. Breastfeeding has been found to be a protective factor for the development of adenocarcinoma, while no association has hitherto been established with other reproductive factors. Taken together, the male predominance in the incidence of oesophageal adenocarcinoma may partly be explained by the differential effect of the major risk factors reflux disease and obesity, but the mechanisms whereby this occurs need to be elucidated. Moreover, the association with breastfeeding indicates a need for extensive epidemiological studies to clarify a possible role of sex hormonal influence in the aetiology of oesophageal adenocarcinoma.

  18. 3. Early outcomes of minimally invasive versus conventional mitral valve surgery in mitral valve diseases. A single institutional experience

    Directory of Open Access Journals (Sweden)

    E. Nourelden

    2016-07-01

    Full Text Available Minimally invasive techniques in cardiac surgery gained popularity due to many advantages like less postoperative pain, minimal blood loss, less hospital stay, less cost. Minimally invasive mitral valve surgery through right anterolateral mini thoracotomy became safe technique. In our study we compared mini-MV surgery with conventional technique regarding cross clamp time, bypass time, total blood loss, reopening for bleeding, and hospital and ICU length of stay. In our institution between 2010 and 2015, 147patients underwent minimally invasive mitral surgery through right lateral minithoracotomy 8 cm incision and 118 patient underwent conventional mitral valve surgery through median sternotomy in minimally invasive technique: mean age was 38 ± 20 vs 59 ± 21, 70.7% were female (n = 104 vs 39.8% (n = 47, 23.8% were associated with tricuspid valve regurgitation (n = 33 vs 55% in conventional technique (n = 65, 0.08% were able to use endovascular clamp (n = 12, mean Euroscore predected risk of mortality 14.7 ± 13.6% vs 8.7 ± 10.9%. Minimally invasive mitral valve repair surgery was accomplished in 77.5% (n = 114 vs 46.15% (n = 55 and replacement of mitral valve in 22.4% (n = 30 vs 53.8% (n = 64 , concomitant procedures consists of tricuspid valve surgery in 23.8% (n = 35 vs 55% (n = 65, primary mitral valve repair included implantation of rigid annuloplasty ring in 79.6% vs 38.9% (n = 46, duration of cardiopulmonary bypass in minimally invasive surgery was 123 ± 64 min vs 116 ± 62 min, cross clamp time was 64 ± 27 min vs 59 ± 23 min, postoperative mechanical ventilation time 4 ± 1.5 h vs 6.5 ± 2 h, ICU lenght of stay (LOS was 48 ± 12 h vs 3 ± 1 days. Minimally invasive mitral surgery can be performed very safely with excellent early results. mini-MV surgery can be performed with a reasonable operative time, good perioperative course with decrease in postoperative ICU and hospital

  19. Stereotactic Ablative Radiation Therapy as First Local Therapy for Lung Oligometastases From Colorectal Cancer: A Single-Institution Cohort Study

    Energy Technology Data Exchange (ETDEWEB)

    Filippi, Andrea Riccardo, E-mail: andreariccardo.filippi@unito.it [Department of Oncology, Radiation Oncology, University of Torino, Torino (Italy); Badellino, Serena [Department of Oncology, Radiation Oncology, University of Torino, Torino (Italy); Ceccarelli, Manuela [Cancer Epidemiology and CPO Piemonte, Città della Salute e della Scienza, Torino (Italy); Guarneri, Alessia [Radiation Oncology, Città della Salute e della Scienza, Torino (Italy); Franco, Pierfrancesco [Department of Oncology, Radiation Oncology, University of Torino, Torino (Italy); Monagheddu, Chiara [Cancer Epidemiology and CPO Piemonte, Città della Salute e della Scienza, Torino (Italy); Spadi, Rosella [Medical Oncology, Colorectal Cancer Unit, Città della Salute e della Scienza, Torino (Italy); Ragona, Riccardo [Department of Oncology, Radiation Oncology, University of Torino, Torino (Italy); Racca, Patrizia [Medical Oncology, Colorectal Cancer Unit, Città della Salute e della Scienza, Torino (Italy); Ricardi, Umberto [Department of Oncology, Radiation Oncology, University of Torino, Torino (Italy)

    2015-03-01

    Purpose: To estimate stereotactic ablative radiation therapy (SABR) efficacy and its potential role as an alternative to surgery for the treatment of lung metastases from colorectal cancer. Methods and Materials: Forty consecutive patients who received SABR as first local therapy at the time of lung progression were included, from 2004 to 2014. The primary study endpoint was overall survival. Secondary endpoints were progression-free survival and safety. Results: A single nodule was treated in 26 patients (65%), 2 nodules in 10 patients (25%), 3 in 3 patients (7.5%), and 4 in 1 patient (2.5%), for a total of 59 lesions. The median delivered biological effective dose was 96 Gy, in 1 to 8 daily fractions. Median follow-up time was 20 months (range, 3-72 months). Overall survival rates at 1, 2, and 5 years were, respectively, 84%, 73%, and 39%, with 14 patients (35%) dead. Median overall survival was 46 months. Progression occurred in 25 patients (62.5%), at a median interval of 8 months; failure at SABR site was observed in 3 patients (7.5%). Progression-free survival rates were 49% and 27% at 1 and 2 years, respectively. Discussion: The results of this retrospective exploratory analysis suggest safety and efficacy of SABR in patients affected with colorectal cancer lung oligometastases and urge inclusion of SABR in prospective clinical trials.

  20. EGFR Mutation Status in Uighur Lung Adenocarcinoma Patients

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    Li SHAN

    2013-02-01

    Full Text Available Background and objective Epidermal growth factor receptor (EGFR, a transmembrane protein, is a member of the tyrosine kinase family. Gefitinib, an EGFR tyrosine-kinase inhibitors, has shown a high response rate in the treatment of lung cancer in patients with EGFR mutation. However, significant differences in EGFR mutations exist among different ethnic groups. The aim of this study is to investigate the prevalence of EGFR mutations in Uighur lung adenocarcinoma patients by using a rapid and sensitive detection method and to analyze EGFR mutation differences compared with Han lung adenocarcinoma patients. Methods We examined lung adenocarcinoma tissues from 138 patients, including 68 Uighur lung adenocarcinoma patients and 70 Han lung adenocarcinoma patients, for EGFR mutations in exons 18, 19, 20, and 21 by using the amplification refractory mutation system (ARMS PCR method. The mutation differences between Uighur and Han lung adenocarcinoma were compared by using the chi-square test method. Results EGFR mutations were detected in 43 (31.2% of the 138 lung adenocarcinoma patients. EGFR mutations were detected in 11 (16.2% of the 68 Uighur lung adenocarcinoma patients and in 32 (45.7% of the 70 Han lung adenocarcinoma patients. Significant differences were observed in the EGFR mutations between Uighur lung adenocarcinoma patients and Han lung adenocarcinoma patients (P<0.001. Conclusion Our results indicate that the EGFR mutation in Uighur lung adenocarcinoma patients (16.2% is significantly lower than that in Han lung adenocarcinoma patients (45.7%.

  1. Comparison of the trifecta outcomes of robotic and open nephron-sparing surgeries performed in the robotic era of a single institution

    OpenAIRE

    2015-01-01

    Acar et al. SpringerPlus (2015) 4:472 DOI 10.1186/s40064-015-1274-2 RESEARCH Comparison of the trifecta outcomes of robotic and open nephron‑sparing surgeries performed in the robotic era of a single institution Ömer Acar1*, Esin Öztürk Işık2, Tuna Mut3, Yeşim Sağlıcan4, Aslıhan Onay5, Metin Vural6, Ahmet Musaoğlu3 and Tarık Esen1,3 Abstract Purpose: In this study we aimed to report a comparative analysis between open and robotic nephron sparing sur-geries (NS...

  2. Advanced MRI increases the diagnostic accuracy of recurrent glioblastoma: Single institution thresholds and validation of MR spectroscopy and diffusion weighted MR imaging

    Directory of Open Access Journals (Sweden)

    Tomas Kazda

    2016-01-01

    Full Text Available The accurate identification of glioblastoma progression remains an unmet clinical need. The aim of this prospective single-institutional study is to determine and validate thresholds for the main metabolite concentrations obtained by MR spectroscopy (MRS and the values of the apparent diffusion coefficient (ADC to enable distinguishing tumor recurrence from pseudoprogression. Thirty-nine patients after the standard treatment of a glioblastoma underwent advanced imaging by MRS and ADC at the time of suspected recurrence — median time to progression was 6.7 months. The highest significant sensitivity and specificity to call the glioblastoma recurrence was observed for the total choline (tCho to total N-acetylaspartate (tNAA concentration ratio with the threshold ≥1.3 (sensitivity 100.0% and specificity 94.7%. The ADCmean value higher than 1313 × 10−6 mm2/s was associated with the pseudoprogression (sensitivity 98.3%, specificity 100.0%. The combination of MRS focused on the tCho/tNAA concentration ratio and the ADCmean value represents imaging methods applicable to early non-invasive differentiation between a glioblastoma recurrence and a pseudoprogression. However, the institutional definition and validation of thresholds for differential diagnostics is needed for the elimination of setup errors before implementation of these multimodal imaging techniques into clinical practice, as well as into clinical trials.

  3. Safety of cardiac magnetic resonance and contrast angiography for neonates and small infants: a 10-year single-institution experience

    Energy Technology Data Exchange (ETDEWEB)

    Rangamani, Sheela; Li, Ling; Harvey, Lisa; Fletcher, Scott E.; Danford, David A.; Kutty, Shelby [University of Nebraska College of Medicine/Creighton University School of Medicine, Joint Division of Pediatric Cardiology, Omaha, NE (United States); Varghese, Joby [Children' s Hospital and Medical Center, Division of Pediatric Cardiac Anesthesia, Omaha, NE (United States); Hammel, James M.; Duncan, Kim F. [Children' s Hospital and Medical Center, Division of Cardiothoracic Surgery, Omaha, NE (United States)

    2012-11-15

    With increasing applications of cardiac magnetic resonance (CMR) and magnetic resonance angiography (MRA) for evaluation of congenital heart disease (CHD), safety of this technology in the very young is of particular interest. We report our 10-year experience with CMR in neonates and small infants with particular focus on the safety profile and incidence of adverse events (AEs). We reviewed clinical, anesthesia and nursing records of all children {<=}120 days of age who underwent CMR. We recorded variables including cardiac diagnosis, study duration, anesthesia type and agents, prostaglandin E1 (PGE1) dependence and gadolinium (Gd) use. Serially recorded temperature, systemic saturation (SpO{sub 2}) and cardiac rhythm were analyzed. Primary outcome measure was any AE during or <24 h after the procedure, including minor AEs such as hypothermia (axillary temperature {<=}95 F), desaturation (SpO{sub 2} drop {>=}10% below baseline) and bradycardia (heart rate {<=}100 bpm). Secondary outcome measure was unplanned overnight hospitalization of outpatients. Children (n = 143; 74 boys, 69 girls) had a median age of 6 days (1-117), and 98 were {<=}30 days at the time of CMR. The median weight was 3.4 kg (1.4-6 kg) and body surface area 0.22 m{sup 2} (0.13-0.32 m{sup 2}). There were 118 (83%) inpatients (108 receiving intensive care) and 25 (17%) outpatients. Indications for CMR were assessment of aortic arch (n = 57), complex CHD (n = 41), pulmonary veins (n = 15), vascular ring (n = 8), intracardiac mass (n = 8), pulmonary artery (n = 7), ventricular volume (n = 4), and systemic veins (n = 3). CMR was performed using a 1.5-T scanner and a commercially available coil. CMR utilized general anesthesia (GA) in 86 children, deep sedation (DS) in 50 and comforting methods in seven. MRA was performed in 136 children. Fifty-nine children were PGE1-dependent and 39 had single-ventricle circulation. Among children on PGE1, 43 (73%) had GA and 10 (17%) had DS. Twelve children (9%) had

  4. The role of depression in the development of breast cancer: analysis of registry data from a single institute.

    Science.gov (United States)

    Montazeri, Ali; Jarvandi, Soghra; Ebrahimi, Mandana; Haghighat, Shahpar; Ansari, Mariam

    2004-01-01

    Although controversial, the belief that developing breast cancer may be associated with psychological distress is not uncommon. The present study examined the role of psychological variables in the development of breast cancer in women attending a breast clinic for medical examination in Tehran, Iran. During a three-year period (1997-1999) a trained female nurse interviewed all women attending the Iranian Center for Breast Cancer (ICBC) before a confirmed diagnosis was made (N = 3000). Data were collected on demographic variables (age, education and marital status), known risk factors (age at menarche, age at first time full term pregnancy, family history of breast cancer, menopausal status, and oral contraceptive use), psychological variables, including history of psychiatric medications, depression (depressed mood, hopelessness, and loss of interests and pleasures), anxiety (mental and somatic signs) and two single measures of overall health and quality of life. In all, 243 patients were diagnosed as having breast cancer. A total of 486 patients with benign disease were randomly selected from the original cohort as controls. Univariate and multivariate logistic regression analyses were performed to determine the predictive effect of each factor on the risk of breast cancer. There were no significant differences between cases and controls except for age at menarche (P = 0.007) and family history of breast cancer (P<0.001). With regard to psychological variables studied, the results showed that there were significant differences between cases and controls regarding depression (depressed mood P<0.0001, hopelessness P = 0.001, and loss of interest and pleasures P = 0.001), and anxiety (mental signs P = 0.006). Finally, after performing multiple logistic regression analysis in addition to family history and age at menarche, depressed mood and hopelessness showed significant results (odds ratios of 1.90, and 1.63 respectively). The findings of the present study suggest

  5. SU-E-T-284: Dose Plan Optimization When Using Hydrogel Prostate-Rectum Spacer: A Single Institution Experience

    Energy Technology Data Exchange (ETDEWEB)

    Rajecki, M; Thurber, A; Catalfamo, F; Duff, M; Shah, D [Cancer Care of Western New York, Cheektowaga, NY (United States)

    2015-06-15

    Purpose: To describe rectal dose reduction achieved and techniques used to take advantage of the increased peri-rectal spacing provided by injected polyethylene-glycol. Methods: Thirty prostate cancer patents were 2:1 randomized during a clinical trial to evaluate the effectiveness of injected poly-ethylene glycol hydrogel (SpaceOAR System) in creating space between the prostate and the anterior rectal wall. All patients received a baseline CT/MR scan and baseline IMRT treatment plan. Patients were randomized to receive hydrogel injection (n=20) or Control (n=10), followed by another CT/MR scan and treatment plan (single arc VMAT, 6 MV photons, 79.2 Gy, 44 fractions). Additional optimization structures were employed to constrain the dose to the rectum; specifically an avoidance structure to limit V75 <15%, and a control structure to limit the maximum relative dose <105% in the interface region of the anterior rectal wall and the prostate planning target volume. Dose volumetric data was analyzed for rectal volumes receiving 60 through 80 Gy. Results: Rectal dose reduction was observed in all patients who received the hydrogel. Volumetric analysis indicates a median rectal volume and (reduction from baseline plan) following spacer application of 4.9% (8.9%) at V60Gy, 3.8% (8.1%) at V65Gy, 2.5% (7.2%) at V70Gy, 1.6% (5.8%) at V75Gy, and 0.5% (2.5%) at V80Gy. Conclusion: Relative to planning without spacers, rectal dose constraints of 5%, 4%, 3%, 2%, 1% for V60, V65, V70, V75, and V80, should be obtainable when peri-rectal spacers are used. The combined effect of increased peri-rectal space provided by the hydrogel, with strict optimization objectives, resulted in reduced dose to the rectum. To maximize benefit, strict optimization objectives and reduced rectal dose constraints should be employed when creating plans for patients with perirectal spacers. Clinical Trial for SpaceOAR product conducted by Augmenix,Inc. The research site was paid to be a participating site.

  6. Identification of distinct phenotypes of locally advanced pancreatic adenocarcinoma.

    LENUS (Irish Health Repository)

    Teo, Minyuen

    2013-03-01

    A significant number of pancreatic ductal adenocarcinoma present as locally advanced disease. Optimal treatment remains controversial. We sought to analyze the clinical course of locally advanced pancreatic adenocarcinoma (LAPC) in order to identify potential distinct clinical phenotypes.

  7. Adenocarcinoma of Meckel's cave: case report.

    Science.gov (United States)

    Tacconi, L; Arulampalam, T; Johnston, F; Symon, L

    1995-12-01

    A rare localization of adenocarcinoma in Meckel's cave is reported in a 58-year-old woman, who had a 5-month history of pain and altered sensation in the second division of the left trigeminal nerve. Removal of the lesion was achieved by a subtemporal route. Histology showed this to be an adenocarcinoma. The patient underwent investigations for a primary tumor; the investigations were all negative, and the patient was subsequently treated with a course of radiotherapy. At 4-month follow-up, there was no evidence of recurrence, and she remains symptomatically well. The various mechanisms of secondary localization are discussed.

  8. Spinal cord compression due to ethmoid adenocarcinoma.

    Science.gov (United States)

    Johns, D R; Sweriduk, S T

    1987-10-15

    Adenocarcinoma of the ethmoid sinus is a rare tumor which has been epidemiologically linked to woodworking in the furniture industry. It has a low propensity to metastasize and has not been previously reported to cause spinal cord compression. A symptomatic epidural spinal cord compression was confirmed on magnetic resonance imaging (MRI) scan in a former furniture worker with widely disseminated metastases. The clinical features of ethmoid sinus adenocarcinoma and neoplastic spinal cord compression, and the comparative value of MRI scanning in the neuroradiologic diagnosis of spinal cord compression are reviewed.

  9. Generalized Lymphadenopathy: Unusual Presentation of Prostate Adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Bulent Cetin

    2011-01-01

    Full Text Available Generalized lymphadenopathy is a rare manifestation of metastatic prostate cancer. Here, we report the case of a 59-year-old male patient with supraclavicular, mediastinal, hilar, and retroperitoneal and inguinal lymphadenopathy, which suggested the diagnosis of lymphoma. There were no urinary symptoms. A biopsy of the inguinal lymph node was compatible with adenocarcinoma, whose prostatic origin was shown by immunohistochemical staining with PSA. The origin of the primary tumor was confirmed by directed prostate biopsy. We emphasize that a suspicion of prostate cancer in men with adenocarcinoma of undetermined origin is important for an adequate diagnostic and therapeutic approach.

  10. Skin Metastasis from an Occult Esophageal Adenocarcinoma

    Directory of Open Access Journals (Sweden)

    F Fereidooni

    2005-01-01

    Full Text Available Metastases to the skin from carcinoma arising in other organs are uncommon, yet they may be the first presentation of neoplastic disease. They usually originate from primary tumours in the breast, lung or colon. Skin metastases from esophageal adenocarcinoma are extremely rare. A unique case of an otherwise healthy patient who presented with a small, painless, mobile, clinically localized facial skin nodule is reported. A biopsy revealed metastatic adenocarcinoma, and subsequent investigations detected the primary tumour in the esophagus, despite no symptoms.

  11. Strategies for the prevention of oesophageal adenocarcinoma.

    Science.gov (United States)

    Almond, L Max; Old, Oliver; Barr, Hugh

    2014-01-01

    The incidence of oesophageal adenocarcinoma has increased by 500% over the past 30 years [1]. Improved understanding of the mechanisms of neoplastic progression provides an opportunity to reverse this trend. A thorough review of emerging strategies aiming to prevent the formation of oesophageal malignancy is presented. These include dietary modification, chemoprevention, early endoscopic identification and treatment of premalignant disease, and the potential for a non-endoscopic screening test. Oesophageal adenocarcinoma has become a major public health problem in the West and it is essential that clinicians are fully informed of risk reduction strategies so that they can be actively promoted in the community.

  12. Metastatic Pulmonary Adenocarcinoma 6 Years After Curative Resection for Ampullary Adenocarcinoma. Metastatic Disease from Initial Primary or Metachronous Tumour?

    Directory of Open Access Journals (Sweden)

    Alexandros Giakoustidis

    2011-01-01

    Full Text Available Context With patients surviving longer after pancreatic resection, the challenges now is the management of the unresolved longerterm issues. Case report A 53-year-old woman with painless obstructive jaundice, underwent a pylorous preserving pancreaticoduodenectomy for a pT3N0M0 ampullary adenocarcinoma in 2001 (patchy chronic pancreatitis with mucinous metaplasia of background pancreatic duct epithelium and acinar atrophy were noted. Despite adjuvant chemotherapy, at month 54 she required a pulmonary wedge resection for metastatic adenocarcinoma, followed by a pulmonary relapse at 76 months when she underwent 6 neoadjuvant cycles of gemcitabine/capecitabine and a left pneumonectomy. Finally 7 years after the initial Whipple’s, a single 18F fluorodeoxyglucose (FDG avid pancreatic tail lesion led to completion pancreatectomy for a well-differentiated ductal adenocarcinoma with clear resection margins albeit peripancreatic adipose tissue infiltration. On review all resected tumour cells had identical immunophenotype (CK7+/CK20-/MUC1+/MUC2- as that of the primary. She is currently asymptomatic on follow-up. Conclusions These findings suggest that in selected cases even in the presence of pulmonary metastasis, repeat resections could result in long-term survival of patients with metachronous ampullary cancer. Second, even ampullary tumours maybe should be regarded as index tumors in the presence of ductal precursor lesions in the resection specimen. Three distant metastases, particularly if long after the initial tumour, should instigate a search for metachronous tumour, especially in the presence of field change in the initial specimen. Risk-adapted follow-up protocols with recognition of such factors could result in cost-effective surveillance and potentially improved outcomes.

  13. Gastroesophageal reflux in relation to adenocarcinomas of the esophagus: a pooled analysis from the Barrett's and Esophageal Adenocarcinoma Consortium (BEACON.

    Directory of Open Access Journals (Sweden)

    Michael B Cook

    Full Text Available Previous studies have evidenced an association between gastroesophageal reflux and esophageal adenocarcinoma (EA. It is unknown to what extent these associations vary by population, age, sex, body mass index, and cigarette smoking, or whether duration and frequency of symptoms interact in predicting risk. The Barrett's and Esophageal Adenocarcinoma Consortium (BEACON allowed an in-depth assessment of these issues.Detailed information on heartburn and regurgitation symptoms and covariates were available from five BEACON case-control studies of EA and esophagogastric junction adenocarcinoma (EGJA. We conducted single-study multivariable logistic regressions followed by random-effects meta-analysis. Stratified analyses, meta-regressions, and sensitivity analyses were also conducted.Five studies provided 1,128 EA cases, 1,229 EGJA cases, and 4,057 controls for analysis. All summary estimates indicated positive, significant associations between heartburn/regurgitation symptoms and EA. Increasing heartburn duration was associated with increasing EA risk; odds ratios were 2.80, 3.85, and 6.24 for symptom durations of <10 years, 10 to <20 years, and ≥20 years. Associations with EGJA were slighter weaker, but still statistically significant for those with the highest exposure. Both frequency and duration of heartburn/regurgitation symptoms were independently associated with higher risk. We observed similar strengths of associations when stratified by age, sex, cigarette smoking, and body mass index.This analysis indicates that the association between heartburn/regurgitation symptoms and EA is strong, increases with increased duration and/or frequency, and is consistent across major risk factors. Weaker associations for EGJA suggest that this cancer site has a dissimilar pathogenesis or represents a mixed population of patients.

  14. Correlation of p53 over-expression and alteration in p53 gene detected by polymerase chain reaction-single strand conformation polymorphism in adenocarcinoma of gastric cancer patients from India

    Institute of Scientific and Technical Information of China (English)

    Sajjad Karim; Arif Ali

    2009-01-01

    AIM: To study the alterations in p53 gene among Indian gastric cancer patients and to correlate them with the various clinicopathological parameters.METHODS: A total of 103 gastric cancer patients were included in this study. The p53 alterations were studied by both immunohistochemical method as well as polymerase chain reaction (PCR)-single strand conformation polymorphism (SSCP) analysis. We only studied four (exon 5, 6, 7, and 8) of the 11 p53 exons. The alterations in p53 were also correlated with respect to various clinicopathological parameters.RESULTS: Among 103 cases, p53 over-expression and alteration were detected in 37 (35.92%) and 19 (18.44%) cases, respectively. Most of the p53 alterations were found at exon 5 (31.54%), followed by exon 6 (26.31%), exon 7 (21.04%) and exon 8 (21.04%). A significant correlation of p53 overexpression was found with p53 alteration ( P = 0.000).Concordance between p53 alteration (as detected by SSCP) and over-expression [as detected by immunohistochemistry (IHC)] was found in 75% cases.We found that IHC-positive/SSCP-negative cases accounted for 21% of cases and IHC-negative/SSCPpositive cases accounted for remaining 4% cases.CONCLUSION: Our results show that p53 gene mutations are significantly correlated with p53 protein over-expression, with 75% concordance in overexpression and alteration in the p53 gene, but 25% disconcordance also cautions against the assumption that p53 over-expression is always associated with a gene mutation. There may be other mechanisms responsible for stabilization and accumulation of p53 protein with no evidence of gene mutation that reflect an accumulation of a non-mutated protein, or a false negative SSCP result.

  15. Pancreatic adenocarcinoma: treating a systemic disease with systemic therapy.

    Science.gov (United States)

    Sohal, Davendra P S; Walsh, R Matthew; Ramanathan, Ramesh K; Khorana, Alok A

    2014-03-01

    Pancreatic adenocarcinoma, even when resectable, remains highly lethal. Although surgical outcomes have improved considerably, median overall survival after surgery and adjuvant therapy such as single-agent gemcitabine remains less than 2 years. We discuss preclinical and clinical data supporting the contention that even early-stage pancreatic cancer is a systemic disease. Autopsy series reveal that 70% to 85% of patients die of systemic recurrence, rather than local disease, after pancreatic cancer resection. Preclinical studies using genomics and mouse models reveal evidence of metastatic spread even before histopathologic evidence of a pancreatic tumor. Analogous to breast cancer, we propose that the Halstedian approach of treating pancreatic cancer as a local, surgical problem should be replaced by Fisher's alternative hypothesis of cancer as a systemic disease. Newer multiagent chemotherapy regimens have shown meaningful response rates and improvement in overall survival in the metastatic setting and, for the first time, offer investigators an opportunity to use effective systemic therapy. We emphasize that a surgery-first approach is not resonant with our current understanding of pancreatic adenocarcinoma biology and that an upfront systemic approach for even resectable pancreatic cancer warrants testing in clinical trials.

  16. Laparoscopic Radical Cystectomy: a 5-year review of a single institute's operative data and complications and a systematic review of the literature

    Directory of Open Access Journals (Sweden)

    Omar M. Aboumarzouk

    2012-06-01

    Full Text Available OBJECTIVE: We aim to evaluate our experience and results with laparoscopic radical cystectomy and conduct a systematic review of studies reporting on 50 or more procedures. MATERIALS AND METHODS: Between February 2006 and March 2011, a prospective study in a single institute on patients with bladder cancer who underwent laparoscopic radical cystectomy was conducted. A search of the Cochrane Library, PubMed, Medline, and Scopus databases was conducted for studies reporting on 50 or more laparoscopic radical cystectomy procedures to compare with our results. RESULTS: Sixty men and five women underwent laparoscopic radical cystectomy during the 5-year study period. Thirty-nine patients were submitted to ileal conduits, 24 to neobladders, and two patients to ureterocutaneostomies. The mean operative time was 294 ± 27 minutes, the mean blood loss was 249.69 ± 95.59 millilitres, the mean length of hospital stay was 9.42 ± 2 days, the mean morphine requirement was 3.69 ± 0.8 days. The overall complication rate was 44.6% (29/65. However, the majority of the patients with complications (90% (26/29 had minor complications treated conservatively with no further surgical intervention needed. The literature search found seven studies, which reported on their institutions' laparoscopic radical cystectomy results of 50 or more patients. Generally, our results were similar to other reported studies of the same calibre. CONCLUSION: Laparoscopic radical cystectomy is a safe and efficient modality of treatment of bladder cancer. However, it comes with a steep learning curve, once overcome, can provide an alternative to open radical cystectomy.

  17. Pancreatic ductal adenocarcinoma screening: New perspectives

    Institute of Scientific and Technical Information of China (English)

    Raffaele Pezzilli; Dario Fabbri; Andrea Imbrogno

    2012-01-01

    Pancreatic ductal adenocarcinoma accounts for more than 90% of all pancreatic cancers and its incidence has increased significantly worldwide.Patients with pancreatic ductal adenocarcinoma have a poor outcome and more than 95% of the people affected die from the disease within 12 mo after diagnosis.Surgery is the first-line treatment in the case of resectable neoplasm,but only 20% of patients are candidates for this approach.One of the reasons there are few candidates for surgery is that,during the early phases of the disease,the symptoms are poor or non-specific.Early diagnosis is of crucial importance to improve patient outcome; therefore,we are looking for a good screening test.The screening test must identify the disease in an early stage in order to be effective; having said this,a need exists to introduce the concept of "early" ductal adenocarcinoma.It has been reported that at least five additional years after the occurrence of the initiating mutation are required for the acquisition of metastatic ability of pancreatic adenocarcinoma and patients die an average of two years thereafter.We have reviewed the most recent literature in order to evaluate the present and future perspectives of screening programs of this deadly disease.

  18. Incidence, histopathology, and surgical outcome of tumors of spinal cord, nerve roots, meninges, and vertebral column - Data based on single institutional (Sher-i-Kashmir Institute of Medical Sciences) experience

    Science.gov (United States)

    Bhat, Abdul Rashid; Kirmani, Altaf Rehman; Wani, Muhammed Afzal; Bhat, Mohammed Haneef

    2016-01-01

    Context: In the absence of a community-based study on the spinal tumors in the Valley, medical records of the only Regional Neurosurgical Center are available. Aim: The aim of this study is to establish a hospital-based regional epidemiology of spinal tumors in the Valley since the data are derived from a single institution. Materials and Methods: A retrospective analysis of 531 malignant and nonmalignant tumors of spinal cord, its coverings and vertebrae, which were managed in a Regional Neurosurgical Center under a standard and uniform medical-protocol over 30-year period from 1983 to 2014. Results: The hospital-based incidence for all spinal tumors was 0.24/100,000 persons per year. The malignant spinal cord and vertebral tumors comprised 32.58% (173/531) of all tumors, and benign spinal cord and vertebral tumors comprised 67.42% (358/531). The extradural–intradural tumors such as metastatic lesions and primary malignant vertebral tumors were on rise with 16.38% (87/531) cases. The children below 18 years were 5.46% (29/531), of which 55.17% (16/29) were below 9 years. The most common primary bone malignancy was multiple myeloma (54.54% =12/22). Histopathologically, the most common metastatic deposit in the spinal canal was non-Hodgkin's lymphoma (24.61% =16/65). A mortality of 3.20% (17/531) was noted. Recurrences were noted in 4.90% (26/531), and adjuvant therapies were given to 16.38% (87/531) patients. Conclusion: The malignant spinal cord and vertebral tumors, especially metastatic deposits, are on rise in elderly population. The surgical outcome, in terms of recovery and spinal stability, of benign tumors, is comparatively better than malignant ones. The study reveals a low regional incidence (hospital-based) of spinal tumors. PMID:27365955

  19. Incidence, histopathology, and surgical outcome of tumors of spinal cord, nerve roots, meninges, and vertebral column - Data based on single institutional (Sher-i-Kashmir Institute of Medical Sciences experience

    Directory of Open Access Journals (Sweden)

    Abdul Rashid Bhat

    2016-01-01

    Full Text Available Context: In the absence of a community-based study on the spinal tumors in the Valley, medical records of the only Regional Neurosurgical Center are available. Aim: The aim of this study is to establish a hospital-based regional epidemiology of spinal tumors in the Valley since the data are derived from a single institution. Materials and Methods: A retrospective analysis of 531 malignant and nonmalignant tumors of spinal cord, its coverings and vertebrae, which were managed in a Regional Neurosurgical Center under a standard and uniform medical-protocol over 30-year period from 1983 to 2014. Results: The hospital-based incidence for all spinal tumors was 0.24/100,000 persons per year. The malignant spinal cord and vertebral tumors comprised 32.58% (173/531 of all tumors, and benign spinal cord and vertebral tumors comprised 67.42% (358/531. The extradural–intradural tumors such as metastatic lesions and primary malignant vertebral tumors were on rise with 16.38% (87/531 cases. The children below 18 years were 5.46% (29/531, of which 55.17% (16/29 were below 9 years. The most common primary bone malignancy was multiple myeloma (54.54% =12/22. Histopathologically, the most common metastatic deposit in the spinal canal was non-Hodgkin's lymphoma (24.61% =16/65. A mortality of 3.20% (17/531 was noted. Recurrences were noted in 4.90% (26/531, and adjuvant therapies were given to 16.38% (87/531 patients. Conclusion: The malignant spinal cord and vertebral tumors, especially metastatic deposits, are on rise in elderly population. The surgical outcome, in terms of recovery and spinal stability, of benign tumors, is comparatively better than malignant ones. The study reveals a low regional incidence (hospital-based of spinal tumors.

  20. [P53 protein in adenocarcinoma of the large intestine].

    Science.gov (United States)

    Paluszkiewicz, P; Pawłowska-Wakowicz, B; Cybulski, M; Berbeć, H

    1997-01-01

    P53 gen mutations play significant role in neoplastic transformation of colorectal mucosa. We investigated p53 immunostaining in 80 cases of spontaneous human colorectal adenocarcinomas (with monoclonal DO7 antibody and LSAB+ kit). We found positive, nuclear p53 immunostaining in 64% of nonmucinous adenocarcinoma tissues and in 19% of mucinous adenocarcinomas tissues. P53 protein deposits were most often found in colorectal adenocarcinomas localised in rectum (66.67%) and in advanced (Dukes C, D) colorectal adenocarcinomas (59.38%) as well. There was no statistical significance between the p53 positive immunostaining and the histological differentiation of the colorectal adenocarcinomas. The overall survival of patients with tumours positive for p53 protein was significantly shorter than that of patients with colorectal cancers negative for p53 protein. We conclude that p53 immunohistochemical analysis may be treated as a supplementary prognostic marker for patients with colorectal adenocarcinoma, especially it may be useful for adjuvant therapy selection.

  1. Validation of the Effectiveness and Safety of Temozolomide during and after Radiotherapy for Newly Diagnosed Glioblastomas: 10-year Experience of a Single Institution.

    Science.gov (United States)

    Joo, Jin-Deok; Kim, Hansol; Kim, Young-Hoon; Han, Jung Ho; Kim, Chae-Yong

    2015-11-01

    This study was performed to validate the effectiveness and safety of concurrent chemoradiotherapy and adjuvant therapy with temozolomide for newly diagnosed glioblastoma multiforme as a standard treatment protocol. Between 2004 and 2011, patients newly diagnosed with glioblastoma who were treated with temozolomide during concurrent chemoradiotherapy and adjuvant chemotherapy were included from a single institution and analyzed retrospectively. The primary endpoint was overall survival, and the secondary endpoints were progression-free survival, response, and safety. A total of 71 patients were enrolled in this study. The response rate was 41% (29/71), and the tumor control rate was 80% (57/71). In the 67 patients who completed the concurrent chemoradiotherapy with temozolomide, the median overall survival was 19 months and the 1- and 2-yr overall survival rates were 78.3% and 41.7%, respectively. The median progression free survival was 9 months, and the 1- and 2-yr progression free survival rates were 33.8% and 14.3%, respectively. The mean duration of survival after progression of disease in salvage treatment group was 11.9 (1.3-53.2) months. Concurrent chemoradiotherapy with temozolomide resulted in grade 3 or 4 hematologic toxic effects in 2.8% of the patients. The current protocol of temozolomide during and after radiation therapy is both effective and safe and is still appropriate as the standard protocol for treatment of glioblastoma. An active salvage treatment might be required for a better prognosis.

  2. Clinical characteristics and prognostic factors of patients with mature T-cell lymphoid malignancies: a single-institution study of 225 cases.

    Science.gov (United States)

    Xue, Wen; Sheng, Yan; Weng, Xiangqin; Zhu, Yongmei; Zhao, Yan; Xu, Pengpeng; Fei, Xiaochun; Chen, Xiaoyan; Wang, Li; Zhao, Weili

    2015-12-01

    Mature T-cell lymphoid malignancies comprise a group of heterogeneous diseases that vary in clinicopathological features, biological behavior, treatment response, and prognosis. Bone marrow (BM) infiltration is more commonly present in mature T-cell lymphoid malignancies compared with their B-cell counterparts and hence important for differential diagnosis. In this study, clinical characteristics and prognostic factors were analyzed in 225 patients with mature T-cell lymphoid malignancies treated in a single institution. These included 29 cases of T-cell lymphoproliferative disorders (T-LPD, all with BM infiltration) and 196 cases of T-/natural-killer-cell lymphoma (T/NKCL, 56 with BM infiltration and 140 without BM infiltration). The estimated 5-year overall survival (OS) rates of T-LPD and T/NKCL were 96.6% and 37.3%, respectively. T-LPD patients were less likely to exhibit poor performance status, advanced disease stage, presence of B symptoms, or abnormal level of serum β-2 microglobulin. With similar pathological characteristics, T/NKCL patients with BM infiltration showed significantly lower response rates and shorter OS than those without BM infiltration (P = 0.0264 and P cell lymphoid malignancies.

  3. How institutions matter for international business : Institutional distance effects vs institutional profile effects

    NARCIS (Netherlands)

    van Hoorn, Andre; Maseland, Robbert

    2016-01-01

    Extant institutional research has failed to make a distinction between the effects of institutional profile and institutional distance on MNEs. The problem stems from the fact that, due to the use of a single reference country, variation in institutional distance between the reference country and pa

  4. Incidental adenocarcinoma in patients undergoing surgery for stricturing Crohn's disease

    Science.gov (United States)

    Kristo, Ivan; Riss, Stefan; Argeny, Stanislaus; Maschke, Svenja; Chitsabesan, Praminthra; Stift, Anton

    2017-01-01

    AIM To evaluate frequency and clinical course of incidental adenocarcinoma in patients with stricturing Crohn's disease (CD). METHODS In this study, consecutive patients, who were operated on for stricturing CD between 1997-2012, were included at an academic tertiary referral center. Demographic data and clinical course were obtained by an institutional database and individual chart review. Besides baseline characteristics, intraoperative findings and CD related history were also recorded. Colorectal cancer was classified and staged according to the Union for International Cancer Control (UICC). RESULTS During the study period 484 patients underwent resections due to stricturing CD. Incidental adenocarcinoma was histologically confirmed in 6 (1.2%) patients (4 males, 2 females). Patients diagnosed with colorectal cancer had a median age of 43 (27-66) years and a median history of CD of 16 (7-36) years. Malignant lesions were found in the rectum (n = 4, 66.7%), descending colon (n = 1, 16.7%) and ileocolon (n = 1, 16.7%). According to the UICC classification two patients were stages as I (33.3%), whereas the other patients were classified as stage IIA (16.7%), stage IIIB (16.7%), stage IIIC (16.7%) and stage IV (16.7%), respectively. After a median follow-up of 2 (0.03-8) years only 1 patient is still alive. CONCLUSION The frequency of incidental colorectal cancer in patients, who undergo surgery for stenotic CD, is low but associated with poor prognosis. However, surgeons need to be aware about the possibility of malignancy in stricturing CD, especially if localized in the rectum. PMID:28210083

  5. Decline of Cosmetic Outcomes Following Accelerated Partial Breast Irradiation Using Intensity Modulated Radiation Therapy: Results of a Single-Institution Prospective Clinical Trial

    Energy Technology Data Exchange (ETDEWEB)

    Liss, Adam L. [Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan (United States); Ben-David, Merav A. [Department of Radiation Oncology, The Sheba Medical Center, Ramat Gan (Israel); Jagsi, Reshma; Hayman, James A. [Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan (United States); Griffith, Kent A. [Biostatistics Unit, University of Michigan, Ann Arbor, Michigan (United States); Moran, Jean M.; Marsh, Robin B. [Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan (United States); Pierce, Lori J., E-mail: ljpierce@umich.edu [Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan (United States)

    2014-05-01

    Purpose: To report the final cosmetic results from a single-arm prospective clinical trial evaluating accelerated partial breast irradiation (APBI) using intensity modulated radiation therapy (IMRT) with active-breathing control (ABC). Methods and Materials: Women older than 40 with breast cancer stages 0-I who received breast-conserving surgery were enrolled in an institutional review board-approved prospective study evaluating APBI using IMRT administered with deep inspiration breath-hold. Patients received 38.5 Gy in 3.85-Gy fractions given twice daily over 5 consecutive days. The planning target volume was defined as the lumpectomy cavity with a 1.5-cm margin. Cosmesis was scored on a 4-category scale by the treating physician. Toxicity was scored according to National Cancer Institute Common Terminology Criteria for Adverse Events (CTCAE version 3.0). We report the cosmetic and toxicity results at a median follow-up of 5 years. Results: A total of 34 patients were enrolled. Two patients were excluded because of fair baseline cosmesis. The trial was terminated early because fair/poor cosmesis developed in 7 of 32 women at a median follow-up of 2.5 years. At a median follow-up of 5 years, further decline in the cosmetic outcome was observed in 5 women. Cosmesis at the time of last assessment was 43.3% excellent, 30% good, 20% fair, and 6.7% poor. Fibrosis according to CTCAE at last assessment was 3.3% grade 2 toxicity and 0% grade 3 toxicity. There was no correlation of CTCAE grade 2 or greater fibrosis with cosmesis. The 5-year rate of local control was 97% for all 34 patients initially enrolled. Conclusions: In this prospective trial with 5-year median follow-up, we observed an excellent rate of tumor control using IMRT-planned APBI. Cosmetic outcomes, however, continued to decline, with 26.7% of women having a fair to poor cosmetic result. These results underscore the need for continued cosmetic assessment for patients treated with APBI by technique.

  6. Adenocarcinoma of the Rectum with Cutaneous Metastases

    Directory of Open Access Journals (Sweden)

    Nohad Hanbala

    2012-01-01

    Full Text Available Cutaneous metastases of rectal carcinoma is a rare event. It occurs in fewer than 4% of all patients with rectal cancer. When present, it typically signifies a disseminated disease with a poor prognosis. Early detection and proper diagnosis of metastatic rectal cancer can significantly alter treatment and prognosis. We report a 70-year-oldmale who underwent rectal resection with permanent colostomy for rectal adenocarcinoma since seven years. The patient recently developed multiple skin nodules, mainly in his face, scalp, and upper trunk, associated with itching. Fine needle aspiration cytology from a face nodule was done which revealed metastatic adenocarcinoma associated with severe inflammation. Cutaneous metastasis of rectaladenocarcinoma is an unusual event that presents mainly in the form of skin nodules and could be the first sign of metastasis. Early diagnosis of cutaneous metastasis in these patients is important because it can alter treatment and prognosis.

  7. Bone and brain metastases from ampullary adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Ioannis A Voutsadakis; Stergios Doumas; Konstantinos Tsapakidis; Maria Papagianni; Christos N Papandreou

    2009-01-01

    Ampullary carcinoma is the second most common cancer of the peri-ampullary area after pancreatic carcinoma and metastasizes mostly intra-abdominally and to the liver. Extra-abdominal metastases are less frequent. In this report we describe the case of a patient with resected adenocarcinoma of the ampulla of Vater who developed skeletal metastases in the lower extremity and brain metastases. We briefly discuss aspects of this comparatively rare gastrointestinal malignancy.

  8. Appendiceal Adenocarcinoma Presenting as a Rectal Polyp

    Directory of Open Access Journals (Sweden)

    Erin Fitzgerald

    2016-02-01

    Full Text Available Appendiceal adenocarcinoma typically presents as an incidentally noted appendiceal mass, or with symptoms of right lower quadrant pain that can mimic appendicitis, but local involvement of adjacent organs is uncommon, particularly as the presenting sign. We report on a case of a primary appendiceal cancer initially diagnosed as a rectal polyp based on its appearance in the rectal lumen. The management of the patient was in keeping with standard practice for a rectal polyp, and the diagnosis of appendiceal adenocarcinoma was made intraoperatively. The operative strategy had to be adjusted due to this unexpected finding. Although there are published cases of appendiceal adenocarcinoma inducing intussusception and thus mimicking a cecal polyp, there are no reports in the literature describing invasion of the appendix through the rectal wall and thus mimicking a rectal polyp. The patient is a 75-year-old female who presented with spontaneous hematochezia and, on colonoscopy, was noted to have a rectal polyp that appeared to be located within a diverticulum. When endoscopic mucosal resection was not successful, she was referred to colorectal surgery for a low anterior resection. Preoperative imaging was notable for an enlarged appendix adjacent to the rectum. Intraoperatively, the appendix was found to be densely adherent to the right lateral rectal wall. An en bloc resection of the distal sigmoid colon, proximal rectum and appendix was performed, with pathology demonstrating appendiceal adenocarcinoma that invaded through the rectal wall. The prognosis in this type of malignancy weighs heavily on whether or not perforation and spread throughout the peritoneal cavity have occurred. In this unusual presentation, an en bloc resection is required for a complete resection and to minimize the risk of peritoneal spread. Unusual appearing polyps do not always originate from the bowel wall. Abnormal radiographic findings adjacent to an area of

  9. Treatment of urachal adenocarcinoma-case report

    Directory of Open Access Journals (Sweden)

    Mekić-Abazović Alma

    2015-07-01

    Full Text Available In this case, we have presented a 55-year old patient with dysuria and bloody urine. He was hospitalized at the Urology Department of County Zenica Hospital due to obstructive uropathy. Diagnostics showed the cause is a large bleeding mass in prostatic part of urethra. After cystectomy, immunohistochemistry revealed urachal adenocarcinoma, rare type of urogenital carcinomas, presented only in 5% of all cancer types. He was treated with dual modality, chemotherapy and radiotherapy

  10. Clinical Features and Treatment Outcomes of 51 Patients with Chronic Myeloid Leukemia Treated with a Tyrosine Kinase Inhibitor at a Single Institution from 2002 to 2014.

    Science.gov (United States)

    Kawano, Noriaki; Yoshida, Shuro; Kawano, Sayaka; Kuriyama, Takuro; Yamashita, Kiyoshi; Ochiai, Hidenobu; Shimoda, Kazuya; Ishikawa, Fumihiko; Ueda, Akira; Kikuchi, Ikuo

    2016-01-01

    Although clinical trials of first- and second-generation tyrosine kinase inhibitors (TKIs) have been shown to improve the prognosis of chronic myeloid leukemia (CML), there is still uncertainty about the clinical features, treatment outcomes, adverse effects, and other possible problems of their use in the clinical setting. We retrospectively analyzed 51 CML patients treated with TKIs at a single institution between 2002 and 2014. The patients (median age: 53.8 years) were classified as having chronic (n = 48), accelerated (n = 2), or blastic phase (n = 1) CML. Our treatments included both 1st generation TKIs (60.8%) and 2nd generation TKIs (39.2%). We found that the overall response rates of complete cytogenetic response (CCyR), major molecular response (MMR), and MR4 (molecular response 4) were 90.2%, 78.4%, and 64.7%, respectively. Second line 2nd generation TKIs had response rates equivalent to those of 1st line 1st generation TKIs. Moreover, 1st line 2nd generation TKIs tended to achieve an early response rate. Overall survival (OS) at 5 years was 93.2%. Sudden blastic crisis (BC) occurred in 2 CML patients receiving TKI with CCyR status. Hematopoietic stem cell transplantation was performed for BC (n = 1) and sudden BC (n = 2). Side effects of all grades (1-3) and grade 3 alone were 64.7% and 11.8%, respectively. Dose reduction, replacement with another TKI, or low dose TKI treatment may be useful methods to control side effects. Further reasons of TKI discontinuation were economic problems (n = 3) and pregnancy (n = 1). Consequently, our treatment strategy for CML demonstrated good response rate and OS. Currently, treatment discontinuation due to intolerance, resistance, economic problems, pregnancy, and sudden BC remains a concern in clinical practice.

  11. Radiochemotherapy with temozolomide for patients with glioblastoma. Prognostic factors and long-term outcome of unselected patients from a single institution

    Energy Technology Data Exchange (ETDEWEB)

    Gerstein, Johanna; Roedel, Claus; Weiss, Christian [Frankfurt Univ., Frankfurt am Main (Germany). Dept. of Radiotherapy and Oncology; Franz, Kea; Seifert, Volker [Frankfurt Univ., Frankfurt am Main (Germany). Dept. of Neurosurgery; Steinbach, Joachim P. [Frankfurt Univ., Frankfurt am Main (Germany). Dr. Senckenberg Inst. of Neurooncology

    2011-11-15

    The objective of this retrospective analysis was to assess long-term outcome and prognostic factors of unselected patients treated for glioblastoma (GB) at a single center with surgery, standard radiotherapy (RT), and concomitant temozolomide (TMZ). From 1999-2005, the institutional protocol included surgery and RT with TMZ. From 2005 on, adjuvant TMZ was routinely added. Between April 1999 and September 2009, 181 patients with GB were treated with RT (60 Gy in 30 fractions) and concomitant TMZ (75 mg/m2/day throughout RT). Biopsy only had been performed in 53 patients (29.3%), 128 patients (70.7%) had undergone resection, which was complete based on postoperative MRI in 51 patients (28.2%). Adjuvant TMZ was applied in 67 of 181 patients (37%). Median overall survival (OS) and progression-free survival (PFS) were 15.0 (95% CI, 13.1-16.8) and 7.2 months (95% CI, 5.9-8.5), respectively. After complete resection, partial/subtotal resection and biopsy, median OS was 23.20, 14.75, and 7.89 months (p < 0.001), respectively. In multivariate Cox proportional hazards regression models, extent of resection (p < 0.0001), Karnofsky's performance score (p < 0.0001) and adjuvant TMZ (p = 0.001) were significant independent prognostic factors for OS. RT with concomitant TMZ was well tolerated in the majority of patients and could be completed as scheduled in 146 patients (80.7%), while 11 patients (6.1%) discontinued RT. Another 35 patients (19.3%) interrupted concomitant chemotherapy. RT with concomitant TMZ is a feasible regimen with acceptable toxicity in routine practice. Our data are compatible with a beneficial effect of adjuvant TMZ on OS and PFS. (orig.)

  12. Outcome of pN0 Triple-Negative Breast Cancer with or without Lymph Node Irradiation: A Single Institution Experience.

    Science.gov (United States)

    Khalifa, Jonathan; Duprez-Paumier, Raphaelle; Filleron, Thomas; Lacroix Triki, Magali; Jouve, Eva; Dalenc, Florence; Massabeau, Carole

    2016-09-01

    The optimal management of patients with pathologically node-negative triple-negative breast cancer (pN0 TNBC) remains unclear. We hypothesized that lymph node irradiation (LNI; internal mammary chain/periclavicular irradiation) had an impact on outcomes of pN0 TNBC. A cohort of 126 consecutive patients with pN0 TNBC treated between 2007 and 2010 at a single institute were included. All radiotherapy (breast/chest wall, ±LNI) was delivered adjuvantly, following completion of surgery ± chemotherapy. Tumors were reviewed and histologic features were described. Tissue microarrays were constructed and tumors were assessed by immunohistochemistry using antibodies against ER, PR, HER2, Ki-67, cytokeratins 5/6, 14, epidermal growth factor receptor and androgen receptor. Patients were divided into two groups for statistical analysis: LNI (LNI+) or no LNI (LNI-). We focused on disease-free survival (DFS), metastasis-free survival (MFS), and overall survival (OS). Fifty-seven and 69 patients received or not LNI, respectively. Median age was 52 (range [25-76]) and 55 (range [29-79]) in LNI+ and LNI- group (p = 0.23). LNI was associated with larger tumors (p = 0.033), central/internal tumors (33 versus 4, p 10 mm versus ≤10 mm), histologic size (pT >10 mm versus ≤10 mm) and grade 3 (versus grade 2) were found to be significantly associated with shorter DFS. Omission of LNI in patients with pN0 TNBC does not seem to result in poorer outcome. Further studies are needed to specifically evaluate LNI in pN0 TNBC with histologic grade 3 and/or (p)T >10 mm.

  13. Barrett's oesophagus and oesophageal adenocarcinoma: time for a new synthesis.

    Science.gov (United States)

    Reid, Brian J; Li, Xiaohong; Galipeau, Patricia C; Vaughan, Thomas L

    2010-02-01

    The public health importance of Barrett's oesophagus lies in its association with oesophageal adenocarcinoma. The incidence of oesophageal adenocarcinoma has risen at an alarming rate over the past four decades in many regions of the Western world, and there are indications that the incidence of this disease is on the rise in Asian populations in which it has been rare. Much has been learned of host and environmental risk factors that affect the incidence of oesophageal adenocarcinoma, and data indicate that patients with Barrett's oesophagus rarely develop oesophageal adenocarcinoma. Given that 95% of oesophageal adenocarcinomas arise in individuals without a prior diagnosis of Barrett's oesophagus, what strategies can be used to reduce late diagnosis of oesophageal adenocarcinoma?

  14. Gastric choriocarcinoma admixed with an α-fetoprotein-producing adenocarcinoma and separated adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Bang Wool Eom; So-Youn Jung; Hongman Yoon; Myeong-Cherl Kook; Keun Won Ryu; Jun Ho Lee; Young-Woo Kim

    2009-01-01

    We report a case of gastric choriocarcinoma admixed with an α-fetoprotein (AFP)-producing adenocarcinoma .A 70-year-old man was hospitalized for gastric cancer that was detected during screening by esophagogastroduodenoscopy (EGD). Initial laboratory data showed the increased serum level of AFP and EGD revealed a 5-cm ulcerofungating mass in the greater curvature of the gastric antrum.The patient underwent radical subtotal gastrectomy with D2 lymph node dissection and Billroth Ⅱ gastrojejunostomy. Histopathological evaluation confirmed double primary gastric cancer: gastric choriocarcinoma admixed with an AFP-producing adenocarcinoma and separated adenocarcinoma. At 2 wk postoperatively, his human chorionic gonadotropin and AFP levels had reduced and six cycles of adjuvant chemotherapy were initiated. No recurrence or distant metastasis was observed at 4 years postoperatively.

  15. Primary appendiceal mucinous adenocarcinoma alongside with situs inversus totalis: a unique clinical case

    Directory of Open Access Journals (Sweden)

    Evangelou Konstantinos

    2010-06-01

    Full Text Available Abstract Introduction Mucinous adenocarcinoma is a rare neoplasm of the gastrointestinal tract and one of the three major histological subtypes of the primary appendiceal adenocarcinoma. The most common type of presentation is that of acute appendicitis and the diagnosis is usually occurred after appendectomy. The accurate preoperative diagnosis and management of the above condition represents a real challenge when uncommon anatomic anomalies such intestinal malrotation and situs inversus take place. Situs inversus totalis with an incidence of 0.01% is an uncommon condition caused by a single autosomal recessive gene of incomplete penetration in which the major visceral organs are mirrored from their normal positions. Case presentation We present an unusual case of a 59 years old, previously healthy man presented with a left lower quadrant abdominal pain, accompanied with low fever, leukocytosis, anorexia and constipation. A chest radiograph demonstrated dextrocardia with a right side positioned stomach bubble. Both preoperative US and CT scan of the abdomen and pelvis declared situs inversus, with a characteristic thickening in its wall, appendix situated in the left lower quadrant of the abdomen. These findings reached to the diagnosis of acute appendicitis with situs inversus and a standard appendicectomy was performed. Pathologic evaluation established primary mucinous adenocarcinoma of the appendix and three months afterwards the patient underwent a subsequent extended left hemicolectomy. Conclusion In conclusion, the occurrence of primary appendiceal mucinous adenocarcinoma along with situs inversus, definitely accounts as a unique clinical case. Even synchronous manifestation of primary mucinous adenocarcinoma of the appendix and situs inversus totalis represents an unusual anatomo-pathological entity, all physicians should be familiar having the knowledge to make an appropriate and accurate diagnosis that will lead to prompt and correct

  16. Mistaken identity of widely used esophageal adenocarcinoma cell line TE-7.

    Science.gov (United States)

    Boonstra, Jurjen J; van der Velden, Albertina W; Beerens, Erwin C W; van Marion, Ronald; Morita-Fujimura, Yuiko; Matsui, Yasuhisa; Nishihira, Tetsuro; Tselepis, Chris; Hainaut, Pierre; Lowe, Anson W; Beverloo, Berna H; van Dekken, Herman; Tilanus, Hugo W; Dinjens, Winand N M

    2007-09-01

    Cancer of the esophagus is the seventh leading cause of cancer death worldwide. Esophageal carcinoma cell lines are useful models to study the biological and genetic alterations in these tumors. An important prerequisite of cell line research is the authenticity of the used cell lines because the mistaken identity of a cell line may lead to invalid conclusions. Estimates indicate that up to 36% of the cell lines are of a different origin or species than supposed. The TE series, established in late 1970s and early 1980s by Nishihira et al. in Japan, is one of the first esophageal cancer cell line series that was used throughout the world. Fourteen TE cell lines were derived from human esophageal squamous cell carcinomas and one, TE-7, was derived from a primary esophageal adenocarcinoma. In numerous studies, this TE-7 cell line was used as a model for esophageal adenocarcinoma because it is one of the few esophageal adenocarcinoma cell lines existing. We investigated the authenticity of the esophageal adenocarcinoma cell line TE-7 by xenografting, short tandem repeat profiling, mutation analyses, and array-comparative genomic hybridization and showed that cell line TE-7 shared the same genotype as the esophageal squamous cell carcinoma cell lines TE-2, TE-3, TE-12, and TE-13. In addition, for more than a decade, independent TE-7 cultures from Japan, United States, United Kingdom, France, and the Netherlands had the same genotype. Examination of the TE-7 cell line xenograft revealed the histology of a squamous cell carcinoma. We conclude that the TE-7 cell line, used in several laboratories throughout the world, is not an adenocarcinoma, but a squamous cell carcinoma cell line. Furthermore, the cell lines TE-2, TE-3, TE-7, TE-12, and TE-13 should be regarded as one single squamous cell carcinoma cell line.

  17. Discovery and validation of vascular endothelial growth factor (VEGF) pathway polymorphisms in esophageal adenocarcinoma outcome.

    Science.gov (United States)

    Eng, Lawson; Azad, Abul Kalam; Qiu, Xin; Kong, Qin Quinn; Cheng, Dangxiao; Ying, Nanjiao; Tse, Alvina; Kuang, Qin; Dodbiba, Lorin; Renouf, Daniel J; Marsh, Sharon; Savas, Sevtap; Mackay, Helen J; Knox, Jennifer J; Darling, Gail E; Wong, Rebecca K S; Xu, Wei; Liu, Geoffrey; Faluyi, Olusola O

    2015-09-01

    Polymorphisms in the vascular endothelial growth factor (VEGF)/angiogenesis pathway have been implicated previously in cancer risk, prognosis and response to therapy including in esophageal adenocarcinoma. Prior esophageal adenocarcinoma studies focused on using candidate polymorphisms, limiting the discovery of novel polymorphisms. Here, we applied the tagSNP (single nucleotide polymorphism) approach to identify new VEGF pathway polymorphisms associated with esophageal adenocarcinoma prognosis and validated them in an independent cohort of esophageal adenocarcinoma patients. In 231 esophageal adenocarcinoma patients of all stages/treatment plans, 58 genetic polymorphisms (18 KDR, 7 VEGFA and 33 FLT1) selected through tagging and assessment of predicted function were genotyped. Cox-proportional hazard models adjusted for important socio-demographic and clinico-pathological factors were applied to assess the association of genetic polymorphisms with overall survival (OS) and progression-free survival (PFS). Significantly associated polymorphisms were then validated in an independent cohort of 137 esophageal adenocarcinoma patients. Among the 231 discovery cohort patients, 86% were male, median diagnosis age was 64 years, 34% were metastatic at diagnosis and median OS and PFS were 20 and 12 months, respectively. KDR rs17709898 was found significantly associated with PFS (adjusted hazard ratio, aHR = 0.69, 95% confidence interval (CI): 0.53-0.90; P = 5.9E-3). FLT1 rs3794405 and rs678714 were significantly associated with OS (aHR = 1.44, 95% CI: 1.04-1.99; P = 0.03 and aHR = 1.50, 95% CI: 1.01-2.24; P = 0.045, respectively). No VEGFA polymorphisms were found significantly associated with either outcome. Upon validation, FLT1 rs3794405 remained strongly associated with OS (aHR = 1.59, 95% CI: 1.04-2.44; P = 0.03). FLT1 rs3794405 is significantly associated with OS in esophageal adenocarcinoma, whereby each variant allele confers a 45-60% increased risk of mortality

  18. Association of visceral adiposity with oesophageal and junctional adenocarcinomas.

    LENUS (Irish Health Repository)

    Beddy, P

    2012-02-01

    BACKGROUND: Obesity is associated with an increased incidence of oesophageal and oesophagogastric junction adenocarcinoma, in particular Siewert types I and II. This study compared abdominal fat composition in patients with oesophageal\\/junctional adenocarcinoma with that in patients with oesophageal squamous cell carcinoma and gastric adenocarcinoma, and in controls. METHOD: In total, 194 patients (110 with oesophageal\\/junctional adenocarcinoma, 38 with gastric adenocarcinoma and 46 with oesophageal squamous cell carcinoma) and 90 matched control subjects were recruited. The abdominal fat area was assessed using computed tomography (CT), and the total fat area (TFA), visceral fat area (VFA) and subcutaneous fat area (SFA) were calculated. RESULTS: Patients with oesophageal\\/junctional adenocarcinoma had significantly higher TFA and VFA values compared with controls (both P < 0.001), patients with gastric adenocarcinoma (P = 0.013 and P = 0.006 respectively) and patients with oesophageal squamous cell carcinoma (both P < 0.001). For junctional tumours, the highest TFA and VFA values were seen in patients with Siewert type I tumours (respectively P = 0.041 and P = 0.033 versus type III; P = 0.332 and P = 0.152 versus type II). CONCLUSION: Patients with oesophageal\\/junctional adenocarcinoma, in particular oesophageal and Siewert type I junctional tumours, have greater CT-defined visceral adiposity than patients with gastric adenocarcinoma or oesophageal squamous cell carcinoma, or controls.

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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  11. Adenocarcinoma of the third portion of the duodenum in a man with CREST syndrome

    Directory of Open Access Journals (Sweden)

    Fragulidis Georgios

    2008-10-01

    Full Text Available Abstract Background CREST (Calcinosis, Raynaud's phenomenon, Esophageal dysmotility, Sclerodactyly and Telangiectasias syndrome has been rarely associated with other malignancies (lung, esophagus.This is the first report of a primary adenocarcinoma of the third portion of the duodenum in a patient with CREST syndrome. Case presentation A 54-year-old male patient with CREST syndrome presented with colicky postprandial pain of the upper abdomen, diminished food uptake and a 6-Kg-body weight loss during the previous 2 months. An ulcerative lesion in the third portion of the duodenum was revealed during duodenoscopy, with a diagnosis of adenocarcinoma on biopsy specimen histology. The patient underwent a partial pancreatoduodenectomy. No adjuvant therapy was instituted and follow-up is negative for local recurrence or metastases 21 months postoperatively. Conclusion CREST syndrome has been associated with colon cancer, gastric polyps, familial adenomatous polyposis (FAP syndrome and Crohn's disease; however, this is the first report of a primary adenocarcinoma of the duodenum in a patient with CREST syndrome. However, any etiologic relationship remains to be further investigated.

  12. Detection of EGFR gene mutations in non-small cell lung cancer: lessons from a single-institution routine analysis of 1,403 tumor samples.

    Science.gov (United States)

    Vallee, Audrey; Sagan, Christine; Le Loupp, Anne-Gaelle; Bach, Kalyane; Dejoie, Thomas; Denis, Marc G

    2013-10-01

    Activating mutations of the epidermal growth factor receptor (EGFR) in lung tumors are associated with a dramatic response to tyrosine kinase inhibitors. Therefore, routine analysis of pathological specimens is mandatory in clinical practice. We have prospectively tested tumors from Caucasian lung tumor patients between January 2010 and June 2012. DNA was extracted from formalin-fixed paraffin-embedded tissues following macrodissection. The p.L858R substitution was assessed by allele-specific PCR and exon 19 deletions by PCR and DNA fragment analysis. Using a robust process from patient sampling to screening methods, we analyzed samples from 1,403 patients. The EGFR status could be successfully determined for 1,322 patients. EGFR mutations were detected in 179 (13.5%) patients, with female and adenocarcinoma histology predominance. Mutated patients were significantly older than non-mutated patients. Similar mutation rates were obtained with primary tumors and metastases, and with surgical resection, bronchial biopsies, CT-guided needle biopsies and transbronchial needle aspiration. The sensitivity of our assays allowed us to detect EGFR mutations in samples poor (<10%) in tumor cells. Finally, the mutation rate was much higher in tumors expressing the TTF-1 antigen (145/820; 17.7%) than in TTF-1 negative tumors (3/218; 1.4%). The results obtained through routine analysis of more than 1,300 samples indicated that all types of specimen can be analyzed without any significant bias. TTF-1 immunostaining may be used to predict negative EGFR mutation status.

  13. Gastric neo-adenocarcinoma arising in a gastric tube after Ivor Lewis oesophagectomy for oesophageal adenocarcinoma.

    Science.gov (United States)

    Hanif, Faisal; Kerr, Joana; Going, James J; Fullarton, Grant

    2015-05-01

    A 69-year-old man, seven years post Ivor-Lewis oesophagectomy for oesophageal adenocarcinoma, was diagnosed to have a moderately differentiated 4 cm, malignant ulcer within the gastric tube remnant on an endoscopic biopsy. His original presentation was with a T1N0 oesophageal adenocarcinoma, histologically intestinal in type with inflammatory features. He presented with anaemia and melena due to a malignant ulcer in the mid body of his gastric tube on an endoscopy which was confirmed to be a gastric neo-adenocarcinoma on biopsy. He underwent right posterolateral thoracotomy and a wedge resection of the gastric tube including the tumour. Pathology confirmed a T3 N0 (0/7 lymph nodes) with clear margins moderately differentiated adenocarcinoma of intestinal phenotype with papillary features and was reported to be a histopathologically new tumour. Proposed surgical treatments in such patients are dependent on patient's fitness for major resection and may vary from Endoscopic Mucosal Resection to partial resection with preservation of right gastroepiploic vessels or total gastrectomy with intestinal interposition via a retromediastinal route. We suggest that regular endoscopic surveillance may be indicated in such post-oesophagectomy patients as the number of patients developing gastric tube cancers may increase with improve survival of those patients.

  14. Intensity-Modulated Radiotherapy for Pancreatic Adenocarcinoma

    Energy Technology Data Exchange (ETDEWEB)

    Abelson, Jonathan A.; Murphy, James D.; Minn, Ann Yuriko; Chung, Melody [Department of Radiation Oncology, Stanford University, Stanford, CA (United States); Fisher, George A.; Ford, James M.; Kunz, Pamela [Department of Medical Oncology, Stanford University, Stanford, CA (United States); Norton, Jeffrey A.; Visser, Brendan C.; Poultsides, George A. [Department of Surgical Oncology, Stanford University, Stanford, CA (United States); Koong, Albert C. [Department of Radiation Oncology, Stanford University, Stanford, CA (United States); Chang, Daniel T., E-mail: dtchang@stanford.edu [Department of Radiation Oncology, Stanford University, Stanford, CA (United States)

    2012-03-15

    Purpose: To report the outcomes and toxicities in patients treated with intensity-modulated radiotherapy (IMRT) for pancreatic adenocarcinoma. Methods and Materials: Forty-seven patients with pancreatic adenocarcinoma were treated with IMRT between 2003 and 2008. Of these 47 patients, 29 were treated adjuvantly and 18 definitively. All received concurrent 5-fluorouracil chemotherapy. The treatment plans were optimized such that 95% of the planning target volume received the prescription dose. The median delivered dose for the adjuvant and definitive patients was 50.4 and 54.0 Gy, respectively. Results: The median age at diagnosis was 63.9 years. For adjuvant patients, the 1- and 2-year overall survival rate was 79% and 40%, respectively. The 1- and 2-year recurrence-free survival rate was 58% and 17%, respectively. The local-regional control rate at 1 and 2 years was 92% and 80%, respectively. For definitive patients, the 1-year overall survival, recurrence-free survival, and local-regional control rate was 24%, 16%, and 64%, respectively. Four patients developed Grade 3 or greater acute toxicity (9%) and four developed Grade 3 late toxicity (9%). Conclusions: Survival for patients with pancreatic cancer remains poor. A small percentage of adjuvant patients have durable disease control, and with improved therapies, this proportion will increase. Systemic therapy offers the greatest opportunity. The present results have demonstrated that IMRT is well tolerated. Compared with those who received three-dimensional conformal radiotherapy in previously reported prospective clinical trials, patients with pancreatic adenocarcinoma treated with IMRT in our series had improved acute toxicity.

  15. Treatment and survival in a population-based sample of patients diagnosed with gastroesophageal adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Deirdre P Cronin-Fenton; Margaret M Mooney; Limin X Clegg; Linda C Harlan

    2008-01-01

    AIM:To examine the extent of use of specific therapies in clinical practice,and their relationship to therapies validated in clinical trials.METHODS:The US National Cancer Institutes' Patterns of Care study was used to examine therapies and survival of patients diagnosed in 2001 with histologically-confirmed gastroesophageal adenocarcinoma (n = 1356).The study re-abstracted data and verified therapy with treating physicians for a population-based stratified random sample.RESULTS:Approximately 62% of patients had stomach adenocarcinoma (SAC),while 22% had gastric-cardia adenocarcinoma (GCA),and 16% lower esophageal adenocarcinoma (EAC).Stage IV/ unstaged esophageal cancer patients were most likely and stage I -111 stomach cancer patients least likely to receive chemotherapy as all or part of their therapy;gastric-cardia patients received chemotherapy at a rate between these two.In multivariable analysis by anatomic site,patients 70 years and older were significantly less likely than younger patients to receive chemotherapy alone or chemoradiation for all three anatomic sites.Among esophageal and stomach cancer patients,receipt of chemotherapy was associated with lower mortality;but no association was found among gastric-cardia patients.CONCLUSION:This study highlights the relatively low use of clinical trials-validated anti-cancer therapies in community practice.Use of chemotherapy-based treatment was associated with lower mortality,dependent on anatomic site.Findings suggest that physicians treat lower esophageal and SAC as two distinct entities,while gastric-cardia patients receive a mix of the treatment strategies employed for the two other sites.

  16. Endometrial Adenocarcinoma Presenting in a Premenopausal Patient with Tuberous Sclerosis

    Science.gov (United States)

    Jaffe, J. S.; Chambers, J. T.

    2005-01-01

    Background: Endometrial adenocarcinoma is very uncommon in women under 40 years of age. Case: A 39-year-old woman with tuberous sclerosis and severe intellectual disability presented with irregular bleeding unresponsive to oral contraceptive therapy. She was subsequently found to have a deeply invasive endometrial adenocarcinoma. Conclusion:…

  17. Laparoscopic treatment of mucinous urachal adenocarcinoma with mucocele.

    Science.gov (United States)

    Oberndoerfer, Marine; Bucher, Pascal; Caviezel, Alessandro; Platon, Alexandra; Ott, Vincent; Egger, Jean-François; Morel, Philippe

    2009-02-01

    We present a case of an asymptomatic 76-year-old woman treated laparoscopically for an urachal mucocele owing to a nonmetastatic urachal mucinous adenocarcinoma. Since laparoscopic en bloc resection of the urachus and partial cystectomy, the patient has been healthy and disease-free for 12 months. Modern surgical treatment of urachal adenocarcinoma is discussed in the light of this case.

  18. Prostate adenocarcinoma with unusual first presentation-A case report

    Institute of Scientific and Technical Information of China (English)

    Fariba Binesh; Shokouh Taghipour-zahir; Saeedeh Zare

    2013-01-01

    Prostate adenocarcinoma most often metastasis to the bones of spine and pelvis. Metastasis to the supradia-phragmatic lymph nodes as uncommon presentation of this disease has been increasingly reported. Here we reported a 61 years old man with prostatic adenocarcinoma who presented with generalized lymphadenopathy.

  19. Primary Papillary Mucinous Adenocarcinoma of the Ureter Mimicking Genitourinary Tuberculosis

    Directory of Open Access Journals (Sweden)

    Hanni Gulwani

    2010-01-01

    Full Text Available Primary adenocarcinomas of the renal pelvis and ureter are rare and account for less than 1% of all malignancies at this site. We report a case of primary papillary mucinous adenocarcinoma of the ureter that clinically mimicked genitourinary tuberculosis. Early diagnosis is important for the better outcome.

  20. [Pseudo-mesotheliomatous adenocarcinoma of the lung].

    Science.gov (United States)

    Aumann, K; Günter, J; Freudenberg, N

    2010-07-01

    Both pathologists and clinicians are challenged by the diagnosis of a particular variant of the peripheral adenocarcinoma with involvement of the pleura parietalis, the so-called pseudo-mesotheliomatous adenocarcinoma of the lung (PMAC), which is hard to differentiate from epithelioid mesothelioma on imaging and cytology, macroscopically as well as histologically. However, the exact diagnosis is not only crucial for the patient's therapy but also for insurance matters. Immunohistochemical evaluation represents a quick and a relatively cheap tool for which a few antibody panels have been proposed in recent years as being suitable to distinguish between these two entities. One of the positive markers for epithelioid mesothelioma most often suggested seems to be calretinin. We would like to report on a case of PMAC with the special feature of positive calretinin immunohistochemical staining. Using histochemistry and a few additional antibodies we were able to reliably characterize the tumor and provide the patient with appropriate therapy. This article gives a short overview of the possibilities available for distinguishing between these two entities in the context of a case report.

  1. Metastasis of Prostate Adenocarcinoma to the Testis

    Science.gov (United States)

    Campara, Zoran; Simic, Dejan; Aleksic, Predrag; Spasic, Aleksandar; Milicevic, Snjezana

    2016-01-01

    Introduction: Prostate carcinoma is the most frequently diagnosed carcinoma in the male population. The most typical places of the metastases are pelvic lymphatic glands, bones and lungs, and very rarely it metastasizes into a testis. The prognostic importance of testicular metastasis of prostate cancer is not yet well-known, due to a very few published cases. According to the known facts, it is certain that a metastasis of the prostate carcinoma into a testis is a sign of an advanced disease. Case report: This work presents a 48-year-old patient, to whom an adenocarcinoma of the prostate has been proven by the pathohistological finding of transrectal biopsy, performed due to the elevated level of prostate-specific antigen (PSA). Nine years after the initial diagnosis, due to a gradual rise of PSA and tumorous enlargement of the left testis, left inguinal orchectomy and right orchectomy were performed. Metastatic dissemination of prostate adenocarcinoma into a testis was determined by a pathohistological analysis of the left testis. Conclusion: The metastasis of the prostate carcinoma into a testis, as a rare localization of the metastatic dissemination, after additionally performed orchectomy along with further oncological therapy, can provide a continuation of a good life quality as well as a control of the disease in a longer time period. PMID:27703299

  2. Confucius Institute

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    @@ Confucius Institute(simplified Chinese:孔子学院;traditional Chinese:孔子學院;pinyin:kǒngzǐ xuéyuàn)is a non-profit public institute which aims at promoting Chinese language and culture and supporting local Chinese teaching internationally through affiliated Confucius Institutes.

  3. Institutional advantage

    NARCIS (Netherlands)

    Martin, Xavier

    2014-01-01

    Is there such a thing as institutional advantage—and what does it mean for the study of corporate competitive advantage? In this article, I develop the concept of institutional competitive advantage, as distinct from plain competitive advantage and from comparative institutional advantage. I first i

  4. Afatinib in Treatment-Naive Patients With EGFR-Mutated Lung Adenocarcinoma With Brain Metastasis: A Case Series.

    Science.gov (United States)

    Li, Shih-Hong; Hsieh, Meng-Heng; Fang, Yueh-Fu

    2015-10-01

    Tyrosine kinase inhibitors (TKIs) of epidermal growth factor receptor (EGFR) were previously the standard first-line treatments for lung cancers with activating EGFR mutations. The first-generation reversible EGFR TKIs, gefitinib and erlotinib, demonstrated substantial efficacy in the treatment of brain metastases from EGFR-mutated lung adenocarcinoma. However, the efficacy of afatinib, the second-generation irreversible EGFR TKI, as the first-line treatment in lung adenocarcinoma patients with brain metastasis has yet to be evaluated.Here, we report cases of 3 patients who received afatinib alone as the first-line treatment in combination with whole-brain radiotherapy or following surgical resection of brain metastases. All 3 patients had EGFR L858R mutation. The first patient had lung adenocarcinoma with brain metastasis and no neurologic symptoms. After consultation, she received afatinib as a first-line treatment. Chest computed tomography and brain magnetic resonance imaging (MRI) showed partial response. The second patient had lung adenocarcinoma accompanied with a metastatic brain lesion associated with seizures. This patient received whole-brain radiotherapy and afatinib treatment following brain MRI and subsequently showed significant regression of the brain metastasis. The third patient had strabismus of the right eye, and brain MRI showed a single tumor at the cerebellar pontine angle. This patient underwent surgical resection of the tumor followed by afatinib treatment. He refused adjuvant radiotherapy after surgery for brain metastasis. The brain MRI showed no recurrent brain metastasis, and the patient had relatively less neurologic deficiency.This series of 3 cases indicate that afatinib may be an appropriate first-line treatment alternative in patients having lung adenocarcinoma with EGFR mutations. Further retrospective analyses and prospective clinical trials are required to substantiate the efficacy of afatinib in the treatment of brain

  5. Genetic polymorphisms at TIMP3 are associated with survival of adenocarcinoma of the gastroesophageal junction.

    Directory of Open Access Journals (Sweden)

    Morteza Bashash

    Full Text Available The poor survival of adenocarcinomas of the gastroesophageal junction (GEJ makes them clinically important. Discovery of host genetic factors that affect outcome may guide more individualized treatment. This study tests whether constitutional genetic variants in matrix metalloproteinases (MMP and tissue inhibitors of metalloproteinases (TIMP genes are associated with outcome of GEJ adenocarcinoma. Single nucleotide polymorphisms (SNPs at four TIMP (TIMP1-4 and three MMP genes (MMP2, MMP7 and MMP9 were genotyped in DNA samples from a prospective cohort of patients with primary adenocarcinoma of the GEJ admitted to the British Columbia Cancer Agency. Cox proportional hazards regression, with adjustment for patient, disease and treatment variables, was used to estimate the association of SNPs with survival. Genotypes for 85 samples and 48 SNPs were analyzed. Four SNPs across TIMP3, (rs130274, rs715572, rs1962223 and rs5754312 were associated with survival. Interaction analyses revealed that the survival associations with rs715572 and rs5754312 are specific and significant for 5FU+cisplatin treated patients. Sanger sequencing of the TIMP3 coding and promoter regions revealed an additional SNP, rs9862, also associated with survival. TIMP3 genetic variants are associated with survival and may be potentially useful in optimizing treatment strategies for individual patients.

  6. Tumor budding is an independent adverse prognostic factor in pancreatic ductal adenocarcinoma.

    Science.gov (United States)

    O'Connor, Kate; Li-Chang, Hector H; Kalloger, Steven E; Peixoto, Renata D; Webber, Douglas L; Owen, David A; Driman, David K; Kirsch, Richard; Serra, Stefano; Scudamore, Charles H; Renouf, Daniel J; Schaeffer, David F

    2015-04-01

    Tumor budding is a well-established adverse prognostic factor in colorectal cancer. However, the significance and diagnostic reproducibility of budding in pancreatic carcinoma requires further study. We aimed to assess the prognostic significance of tumor budding in pancreatic ductal adenocarcinoma, determine its relationship with other clinicopathologic features, and assess interobserver variability in its diagnosis. Tumor budding was assessed in 192 archival cases of pancreatic ductal adenocarcinoma using hematoxylin and eosin (H&E) sections; tumor buds were defined as single cells or nonglandular clusters composed of <5 cells. The presence of budding was determined through assessment of all tumor-containing slides, and associations with clinicopathologic features and outcomes were analyzed. Six gastrointestinal pathologists participated in an interobserver variability study of 120 images of consecutive tumor slides stained with H&E and cytokeratin. Budding was present in 168 of 192 cases and was associated with decreased overall survival (P=0.001). On multivariable analysis, tumor budding was prognostically significantly independent of stage, grade, tumor size, nodal status, lymphovascular invasion, and perineural invasion. There was substantial agreement among pathologists in assessing the presence of tumor budding using both H&E (K=0.63) and cytokeratin (K=0.63) stains. The presence of tumor budding is an independent adverse prognostic factor in pancreatic ductal carcinoma. The assessment of budding with H&E is reliable and could be used to better risk stratify patients with pancreatic ductal adenocarcinoma.

  7. Expression of p53 protein in Barrett’s adenocarcinoma and adenocarcinoma of the gastric cardia and antrum

    Directory of Open Access Journals (Sweden)

    Jovanović Ivan

    2005-01-01

    Full Text Available Background/Aim. Most studies of esophageal and gastric adenocarcinomas have shown a very high rate of p53 gene mutation and/or protein overexpression, but the influence of the tumor site upon the frequency of p53 protein expression has not been evaluated (gastroesophageal junction, Barret's esophagus, and antrum. The aim of our study was to analyze the correlation between the selected clinico-pthological parameters, and p53 protein overexpression in regards to the particular tumor location. Methods. The material comprised 66 surgical specimens; 10 were Barrett’s carcinomas, 25 adenocarcinomas of the gastric cardia (type II adenocarcinoma of the esophagogastric junction - EGJ, and 31 adenocarcinomas of the antrum. Immunostaining for p53 protein was performed on formalin-fixed, paraffin-embedded tissue sections, using the alkaline phosphatase - antialkaline phosphatase (APAAP method. The cases were considered positive for p53 if at least 5% of the tumor cells expressed this protein by immunostaining. Results. There was no significant difference observed between the studied groups in regards to age, sex, Lauren’s classification and tumor differentiation. There was, however, a significant difference observed in the depth of tumor invasion between Barrrett’s adenocarcinoma and adenocarcinoma of the cardia compared with the adenocarcinoma of the antrum. Namely, at the time of surgery, both Barrett’s adenocarcinomas and adenocarcinomas of the cardia, were significantly more advanced comparing with the adenocarcinomas of the antrum. Overexpression of p53 was found in 40% (4/10 of Barrett’s adenocarcinomas, 72% (18/25 of adenocarcinoma of the cardia and 65% (20/31 of adenocarcinoma of the antrum. No significant differences in p53 expression in relation to sex, type (Lauren of tumor, depth of invasion, lymph node involvement, or tumor differentiation were observed in any of the analyzed groups of tumors. Patients with more advanced Barrett

  8. Progressive silencing of p14ARF in oesophageal adenocarcinoma.

    Science.gov (United States)

    Huang, Yinghui; Peters, Christopher J; Fitzgerald, Rebecca C; Gjerset, Ruth A

    2009-02-01

    The frequency of oesophageal adenocarcinoma is increasing in Western countries for unknown reasons, and correlates with a corresponding increase in the pre-malignant condition, Barrett's Oesophagus, which raises the risk of adenocarcinoma by some 40- to 125-fold. We have examined how disease progression correlates with changes in expression of the p14ARF (ARF) tumour suppressor, a key regulator of the p53 tumour suppressor pathway that is silenced in some 30% of cancers overall, but for which a role in oesophageal cancer is unclear. We have used quantitative PCR, RT-PCR, methylation-specific PCR and chromatin-immunoprecipitation to examine the regulation and function of ARF in oesophageal adenocarcinoma tissue specimens and cell lines. We find highly significant reductions (Poesophageal epithelium to Barrett's Oesophagus to adenocarcinoma, with 57/76 (75%) adenocarcinomas displaying undetectable levels of ARF expression. Retention of ARF expression in adenocarcinoma is a highly significant indicator of increased survival (Padenocarcinoma cell lines and can be reversed by 5-aza-2'-deoxycytidine. The results suggest that silencing of ARF is involved in the pathogenesis of oesophageal adenocarcinoma and show that either DNA or histone methylation can provide the primary mechanism for ARF gene silencing. Silencing of ARF could provide a useful marker for increased risk of progression and poor prognosis.

  9. Role of nicotine dependence on the relationship between variants in the nicotinic receptor genes and risk of lung adenocarcinoma.

    Directory of Open Access Journals (Sweden)

    Tung-Sung Tseng

    Full Text Available Several variations in the nicotinic receptor genes have been identified to be associated with both lung cancer risk and smoking in the genome-wide association (GWA studies. However, the relationships among these three factors (genetic variants, nicotine dependence, and lung cancer remain unclear. In an attempt to elucidate these relationships, we applied mediation analysis to quantify the impact of nicotine dependence on the association between the nicotinic receptor genetic variants and lung adenocarcinoma risk. We evaluated 23 single nucleotide polymorphisms (SNPs in the five nicotinic receptor related genes (CHRNB3, CHRNA6, and CHRNA5/A3/B4 previously reported to be associated with lung cancer risk and smoking behavior and 14 SNPs in the four 'control' genes (TERT, CLPTM1L, CYP1A1, and TP53, which were not reported in the smoking GWA studies. A total of 661 lung adenocarcinoma cases and 1,347 controls with a smoking history, obtained from the Environment and Genetics in Lung Cancer Etiology case-control study, were included in the study. Results show that nicotine dependence is a mediator of the association between lung adenocarcinoma and gene variations in the regions of CHRNA5/A3/B4 and accounts for approximately 15% of this relationship. The top two CHRNA3 SNPs associated with the risk for lung adenocarcinoma were rs1051730 and rs12914385 (p-value = 1.9×10(-10 and 1.1×10(-10, respectively. Also, these two SNPs had significant indirect effects on lung adenocarcinoma risk through nicotine dependence (p = 0.003 and 0.007. Gene variations rs2736100 and rs2853676 in TERT and rs401681 and rs31489 in CLPTM1L had significant direct associations on lung adenocarcinoma without indirect effects through nicotine dependence. Our findings suggest that nicotine dependence plays an important role between genetic variants in the CHRNA5/A3/B4 region, especially CHRNA3, and lung adenocarcinoma. This may provide valuable information for

  10. Identification of a panel of sensitive and specific DNA methylation markers for lung adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Hagen Jeffrey A

    2007-10-01

    Full Text Available Abstract Background Lung cancer is the number one cancer killer of both men and women in the United States. Three quarters of lung cancer patients are diagnosed with regionally or distantly disseminated disease; their 5-year survival is only 15%. DNA hypermethylation at promoter CpG islands shows great promise as a cancer-specific marker that would complement visual lung cancer screening tools such as spiral CT, improving early detection. In lung cancer patients, such hypermethylation is detectable in a variety of samples ranging from tumor material to blood and sputum. To date the penetrance of DNA methylation at any single locus has been too low to provide great clinical sensitivity. We used the real-time PCR-based method MethyLight to examine DNA methylation quantitatively at twenty-eight loci in 51 primary human lung adenocarcinomas, 38 adjacent non-tumor lung samples, and 11 lung samples from non-lung cancer patients. Results We identified thirteen loci showing significant differential DNA methylation levels between tumor and non-tumor lung; eight of these show highly significant hypermethylation in adenocarcinoma: CDH13, CDKN2A EX2, CDX2, HOXA1, OPCML, RASSF1, SFPR1, and TWIST1 (p-value Conclusion The identification of eight CpG island loci showing highly significant hypermethylation in lung adenocarcinoma provides strong candidates for evaluation in patient remote media such as plasma and sputum. The four most highly ranked loci, CDKN2A EX2, CDX2, HOXA1 and OPCML, which show significant DNA methylation even in stage IA tumor samples, merit further investigation as some of the most promising lung adenocarcinoma markers identified to date.

  11. MRI findings of a huge cyst adenocarcinoma of the palate

    Energy Technology Data Exchange (ETDEWEB)

    Choi, Jin Woo [School of Dentistry, Seoul National University, Seoul (Korea, Republic of)

    2010-12-15

    Cyst adenocarcinoma of the salivary glands is a very rare, slow growing, and low-grade malignant neoplasm. It is characterized by predominantly cystic growth with or without the intraluminal papillary component. However, it lacks of any additional specific histopathologic features that characterize other types of salivary carcinomas showing cystic growth. Therefore, definite diagnosis of the cyst adenocarcinoma is difficult and it is often misdiagnosed. It is conceptually the malignant counterpart of the benign cyst adenoma. We present a cyst adenocarcinoma on the palate of a 49-year-old man with special emphasis on magnetic resonance imaging.

  12. Effect of anthralin on cell viability in human prostate adenocarcinoma.

    Science.gov (United States)

    Raevskaya, A A; Gorbunova, S L; Savvateeva, M V; Severin, S E; Kirpichnikov, M P

    2012-07-01

    The study revealed the key role of serine protease hepsin activity in transition of in situ prostate adenocarcinoma into the metastasizing form. Inhibition of hepsin activity suppresses the invasive growth of the tumor. Hepsin is an convenient target for pharmacological agents, so the study of its inhibitory mechanisms is a promising avenue in drug development. Assay of proteolytic activity in various tumor cell lines in vitro showed that this activity in prostate adenocarcinoma cells significantly surpasses proteolytic activity in other examined tumor cell lines. Selective cytotoxic action of anthralin, an inhibitor of hepsin activity, on human adenocarcinoma cells was demonstrated in comparison with other tumor cell lines.

  13. Targeting Pancreatic Ductal Adenocarcinoma Acidic Microenvironment

    Science.gov (United States)

    Cruz-Monserrate, Zobeida; Roland, Christina L.; Deng, Defeng; Arumugam, Thiruvengadam; Moshnikova, Anna; Andreev, Oleg A.; Reshetnyak, Yana K.; Logsdon, Craig D.

    2014-03-01

    Pancreatic ductal adenocarcinoma (PDAC) is the fourth leading cause of cancer death in the USA, accounting for ~40,000 deaths annually. The dismal prognosis for PDAC is largely due to its late diagnosis. Currently, the most sensitive diagnosis of PDAC requires invasive procedures, such as endoscopic ultrasonography, which has inherent risks and accuracy that is highly operator dependent. Here we took advantage of a general characteristic of solid tumors, the acidic microenvironment that is generated as a by-product of metabolism, to develop a novel approach of using pH (Low) Insertion Peptides (pHLIPs) for imaging of PDAC. We show that fluorescently labeled pHLIPs can localize and specifically detect PDAC in human xenografts as well as PDAC and PanIN lesions in genetically engineered mouse models. This novel approach may improve detection, differential diagnosis and staging of PDAC.

  14. THE SUBTYPES OF PANCREATIC DUCTAL ADENOCARCINOMAS

    Directory of Open Access Journals (Sweden)

    Apeksha Kakkar

    2016-12-01

    Full Text Available Being the 4th leading cause of cancer deaths in the U.S. and with a global increase in incidence, above 80% of pancreatic cancers are locally advanced or metastatic at the time of diagnosis. As surgical resection is the only hope for a cure, the answer is probably in early screening, proper classification and right therapy. The advancing research will likely lead to a better understanding of Pancreatic Ductal Adenocarcinoma (PDAC as well as enhance the techniques for screening, diagnosis, accurate subtyping and enable the use of targeted therapy. Thus, instead of clubbing together various subtypes of PDAC for trials, improving the subcategorization will ensure statistical significance for the academicians, and the clinicians would avoid administration of placebo drug to a vast number of patients.

  15. Genomic aberrations in lung adenocarcinoma in never smokers.

    Directory of Open Access Journals (Sweden)

    Bastien Job

    Full Text Available BACKGROUND: Lung cancer in never smokers would rank as the seventh most common cause of cancer death worldwide. METHODS AND FINDINGS: We performed high-resolution array comparative genomic hybridization analysis of lung adenocarcinoma in sixty never smokers and identified fourteen new minimal common regions (MCR of gain or loss, of which five contained a single gene (MOCS2, NSUN3, KHDRBS2, SNTG1 and ST18. One larger MCR of gain contained NSD1. One focal amplification and nine gains contained FUS. NSD1 and FUS are oncogenes hitherto not known to be associated with lung cancer. FISH showed that the amplicon containing FUS was joined to the next telomeric amplicon at 16p11.2. FUS was over-expressed in 10 tumors with gain of 16p11.2 compared to 30 tumors without that gain. Other cancer genes present in aberrations included ARNT, BCL9, CDK4, CDKN2B, EGFR, ERBB2, MDM2, MDM4, MET, MYC and KRAS. Unsupervised hierarchical clustering with adjustment for false-discovery rate revealed clusters differing by the level and pattern of aberrations and displaying particular tumor characteristics. One cluster was strongly associated with gain of MYC. Another cluster was characterized by extensive losses containing tumor suppressor genes of which RB1 and WRN. Tumors in that cluster frequently harbored a central scar-like fibrosis. A third cluster was associated with gains on 7p and 7q, containing ETV1 and BRAF, and displayed the highest rate of EGFR mutations. SNP array analysis validated copy-number aberrations and revealed that RB1 and WRN were altered by recurrent copy-neutral loss of heterozygosity. CONCLUSIONS: The present study has uncovered new aberrations containing cancer genes. The oncogene FUS is a candidate gene in the 16p region that is frequently gained in never smokers. Multiple genetic pathways defined by gains of MYC, deletions of RB1 and WRN or gains on 7p and 7q are involved in lung adenocarcinoma in never smokers.

  16. Primary adenocarcinoma of lung: A pictorial review of recent updates

    Energy Technology Data Exchange (ETDEWEB)

    Gaikwad, Anand, E-mail: anandgaik@yahoo.co.in [Department of Diagnostic Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, ON (Canada); Gupta, Ashish, E-mail: ashgupta@toh.on.ca [Department of Diagnostic Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, ON (Canada); Hare, Sam, E-mail: samanjeet@btinternet.com [Department of Diagnostic Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, ON (Canada); Gomes, Marcio, E-mail: mgomes@toh.on.ca [Department of Pathology and Laboratory Medicine, The Ottawa Hospital, University of Ottawa, Ottawa, ON (Canada); Sekhon, Harman, E-mail: hsekhon@toh.on.ca [Department of Pathology and Laboratory Medicine, The Ottawa Hospital, University of Ottawa, Ottawa, ON (Canada); Souza, Carolina, E-mail: csouza@ottawahospital.on.ca [Department of Diagnostic Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, ON (Canada); Inacio, Joao, E-mail: joao.r.inacio@gmail.com [Department of Diagnostic Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, ON (Canada); Lad, Shilpa, E-mail: slad@toh.on.ca [Department of Diagnostic Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, ON (Canada); Seely, Jean, E-mail: jeseely@ottawahospital.on.ca [Department of Diagnostic Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, ON (Canada)

    2012-12-15

    Primary adenocarcinoma of lung has replaced squamous cell carcinoma as the commonest histological subtype of lung cancer and the incidence of primary lung adenocarcinoma appears to be rising. Although the main factors behind this ‘epidemic-like’ situation are largely undiscovered, filter cigarettes appear to significantly contribute to this shift in the histopathological spectrum. The new multidisciplinary classification of adenocarcinoma of lung was introduced to address advances in clinical, pathological, radiological and molecular sciences. The purpose of this essay is to discuss various classes of lung adenocarcinoma in the new classification with their classical imaging features on computed tomography and summarise the recent advances in the field of radiology and review radiology recommendations.

  17. Coexistent adenocarcinoma and microcystic adenoma of the pancreas.

    Science.gov (United States)

    Posniak, H V; Olson, M C; Demos, T C

    1991-01-01

    A case with coexistent pancreatic adenocarcinoma and microcystic adenoma is presented. These diagnoses were suspected on the basis of their computed tomography (CT) appearances and confirmed with CT-guided fine-needle aspiration.

  18. Ovarian recurrence after radical trachelectomy for adenocarcinoma of the cervix.

    Science.gov (United States)

    Piketty, Mathilde; Barranger, Emmanuel; Najat, Mourra; François, Paye; Daraï, Emile

    2005-10-01

    Radical trachelectomy is an effective fertility-sparing treatment for women with early-stage cervical cancer. We describe the first reported ovarian recurrence after radical trachelectomy for stage IB1 adenocarcinoma cervical cancer.

  19. Discovery of new molecular subtypes in oesophageal adenocarcinoma.

    Science.gov (United States)

    Berg, Daniela; Wolff, Claudia; Langer, Rupert; Schuster, Tibor; Feith, Marcus; Slotta-Huspenina, Julia; Malinowsky, Katharina; Becker, Karl-Friedrich

    2011-01-01

    A large number of patients suffering from oesophageal adenocarcinomas do not respond to conventional chemotherapy; therefore, it is necessary to identify new predictive biomarkers and patient signatures to improve patient outcomes and therapy selections. We analysed 87 formalin-fixed and paraffin-embedded (FFPE) oesophageal adenocarcinoma tissue samples with a reverse phase protein array (RPPA) to examine the expression of 17 cancer-related signalling molecules. Protein expression levels were analysed by unsupervised hierarchical clustering and correlated with clinicopathological parameters and overall patient survival. Proteomic analyses revealed a new, very promising molecular subtype of oesophageal adenocarcinoma patients characterised by low levels of the HSP27 family proteins and high expression of those of the HER family with positive lymph nodes, distant metastases and short overall survival. After confirmation in other independent studies, our results could be the foundation for the development of a Her2-targeted treatment option for this new patient subgroup of oesophageal adenocarcinoma.

  20. Estrogen, male dominance and esophageal adenocarcinoma: Is there a link?

    Institute of Scientific and Technical Information of China (English)

    Huiqi Yang; Olga A Sukocheva; Damian J Hussey; David I Watson

    2012-01-01

    Esophageal adenocarcinoma is a cancer with poor prognosis, and its incidence has risen sharply over recent decades. Obesity is a major risk factor for developing this cancer and there is a clear male gender bias in the incidence that cannot be fully explained by known risk factors. It is possible that a difference in the expression of estrogen, or its signaling axes, may contribute to this gender bias. We undertook a comprehensive literature search and analyzed the available data regarding estrogen and estrogen receptor expression, and the possible sex-specific links with esophageal adenocarcinoma development. Potentially relevant associations between visceral vs subcutaneous fat deposition and estrogen expression, and the effect of crosstalk between estrogen and leptin signaling were identified. We also found limited studies suggesting a role for estrogen receptor β expression in esophageal adenocarcinoma development. The current literature supports speculation on an etiological role for estrogen in the male gender bias in esophageal adenocarcinoma, but further studies are required.

  1. Asymptomatic ileal adenocarcinoma in the setting of undiagnosed Crohn's disease

    Institute of Scientific and Technical Information of China (English)

    Vikram B Reddy; Harold Aslanian; Namsoo Suh; Walter E Longo

    2008-01-01

    A 53-year old previously healthy male underwent a screening colonoscopy for detection of a potential colorectal neoplasm. The terminal ileum was intubated and a mass was noted. Examination of the colon was normal. The biopsy of the ileal mass was consistent with an adenocarcinoma arising from the terminal ileum. His father who had never been previously ill from gastrointestinal disease died of natural causes,but was found to have Crohn's disease postmortem.The patient underwent exploratory laparotomy and aright hemicolectomy with a 30 cm section of terminal ileum in continuity. Findings were consistent with ileal adenocarcinoma in the setting of Crohn's disease. Thepatient made an uneventful recovery. The pathology was stage 1 adenocarcinoma. This is a unique case in that on a screening colonoscopy, a favorable ileal adenocarcinoma was discovered in the setting of asymptomatic, undiagnosed ileal Crohn's disease in a patient whose father had Crohn's disease diagnosed postmortem.

  2. Adenocarcinoma of the Minor Duodenal Papilla: Report of a Case

    Directory of Open Access Journals (Sweden)

    Kazuhiro Takami

    2011-04-01

    Full Text Available An 81-year-old male was found to have a duodenal tumor by screening upper gastrointestinal endoscopy. The tumor was located in the minor duodenal papilla. Pathological examination of the biopsy specimen revealed adenocarcinoma, and endoscopic ultrasound showed an elevated hypoechoic mass in the minor duodenal papilla. The preoperative diagnosis was therefore considered to be either adenocarcinoma of the minor duodenal papilla or duodenal cancer. We performed a subtotal stomach-preserving pancreaticoduodenectomy. Histopathological examination of the resected specimen showed the tumor cells to be primarily located in the submucosa of the minor duodenal papilla, with slight invasion into the pancreatic parenchyma through the accessory pancreatic duct. We therefore diagnosed a primary adenocarcima of the minor duodenal papilla. Adenocarcinoma of the minor duodenal papilla is considered to be a rare disease, but it may be underestimated because of the difficulty in distinguishing advanced adenocarcinoma of the minor duodenal papilla from primary duodenal cancer and cancer of the pancreatic head.

  3. Discovery of new molecular subtypes in oesophageal adenocarcinoma.

    Directory of Open Access Journals (Sweden)

    Daniela Berg

    Full Text Available A large number of patients suffering from oesophageal adenocarcinomas do not respond to conventional chemotherapy; therefore, it is necessary to identify new predictive biomarkers and patient signatures to improve patient outcomes and therapy selections. We analysed 87 formalin-fixed and paraffin-embedded (FFPE oesophageal adenocarcinoma tissue samples with a reverse phase protein array (RPPA to examine the expression of 17 cancer-related signalling molecules. Protein expression levels were analysed by unsupervised hierarchical clustering and correlated with clinicopathological parameters and overall patient survival. Proteomic analyses revealed a new, very promising molecular subtype of oesophageal adenocarcinoma patients characterised by low levels of the HSP27 family proteins and high expression of those of the HER family with positive lymph nodes, distant metastases and short overall survival. After confirmation in other independent studies, our results could be the foundation for the development of a Her2-targeted treatment option for this new patient subgroup of oesophageal adenocarcinoma.

  4. Institutional ethnography

    DEFF Research Database (Denmark)

    Lund, Rebecca; Tienari, Janne

    2016-01-01

    . In institutional ethnography the notion of objectification is applied to describe research processes like those that have been found to dominate in scholarly work on M&As. In this chapter, we offer an outline of Smiths critique of objectification, elucidate how institutional ethnography seeks to address it...

  5. Institutional upbringing

    DEFF Research Database (Denmark)

    Gulløv, Eva

    2008-01-01

    In the chapter, I discuss the role day care institutions play in the construction of the idea of proper childhood in Denmark. Drawing on findings from research on ethnic minority children in two Danish day care institutions, I begin with a discussion of how childcare institutions act as civilising...... agents, empowered with the legitimate right to define and control normality and proper ways of behaving oneself. I aim to show how institutions come to define the normal child and proper childhood in accordance with current efforts toward reinventing national culture, exemplified by legislation requiring...... current testing of Danish language fluency levels among pre-school minority children. Testing language skills marks and defines distinctions that reinforce images of deviance that, in turn, legitimize initiatives to enrol children, specifically minority children, in child care institutions....

  6. Curative surgical management of isolated adrenal recurrence of oesophageal adenocarcinoma.

    LENUS (Irish Health Repository)

    O'Sullivan, K E

    2013-01-01

    Adrenal metastases of oesophageal adenocarcinoma are rarely detected in the clinical setting, more frequently being found as an incidental postmortem finding in the presence of widespread metastases. With improvements in the sensitivity of radiological diagnostic modalities, the incidence of adrenal tumour detection is on the rise. We report herein a particularly rare case of primary operative management by adrenalectomy for an isolated right-sided adrenal metastasis secondary to oesophageal adenocarcinoma, with a long-term survival.

  7. [Gastric signet ring cell adenocarcinoma: A distinct entity].

    Science.gov (United States)

    Tabouret, Tessa; Dhooge, Marion; Rouquette, Alexandre; Brezault, Catherine; Beuvon, Frédéric; Chaussade, Stanislas; Coriat, Romain

    2014-04-01

    Gastric signet ring cell carcinoma (GSRC) is a distinct entity. Their incidence is increasing. The pathologist plays a central role in the identification of this entity. Diagnosis is based on an adenocarcinoma containing a majority of signet ring cells (above 50 %). The prognosis of GSRC is the same as gastric adenocarcinoma while GSRC appeared more aggressive. Signet ring cells present a low sensitivity to chemotherapy. This review aimed to discuss the histological, the prognostic and the therapeutic aspect of this entity.

  8. Sulindac Prevents Esophageal Adenocarcinomas Induced by Gastroduodenal Reflux in Rats

    OpenAIRE

    Kim, Sung Wook; Jang, Tae Jung; Jung, Ki Hoon; Suh, Jung Il

    2007-01-01

    Purpose It is known that cyclooxygenase (COX)-2 expression is increased in Barrett's esophagus and esophageal adenocarcinomas. We studied COX-2 expression and the effect sulindac has on the genesis of Barrett's esophagus and adenocarcinoma in rats undergoing esophagogastroduodenal anastomosis (EGDA). Materials and Methods Fifty-one rats were divided into a control group (n = 27), a 500 ppm sulindac-treated group (n = 15) and 1000 ppm sulindac-treated group (n = 9). Randomly selected rats were...

  9. Transcriptomic Profiles Differentiate Normal Rectal Epithelium and Adenocarcinoma

    OpenAIRE

    2015-01-01

    Adenocarcinoma is a histologic diagnosis based on subjective findings. Transcriptional profiles have been used to differentiate normal tissue from disease and could provide a means of identifying malignancy. The goal of this study was to generate and test transcriptomic profiles that differentiate normal from adenocarcinomatous rectum. Comparisons were made between cDNA microarrays derived from normal epithelium and rectal adenocarcinoma. Results were filtered according to standard deviation ...

  10. Multiple urinary bladder masses from metastatic prostate adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Richard Choo

    2010-12-01

    Full Text Available We present an unusual case of metastatic prostate adenocarcinoma that manifested with multiple exophytic intravesical masses, mimicking a multifocal primary bladder tumor. Biopsy with immunohistochemical analysis confirmed metastatic prostate adenocarcinoma. The patient was treated palliatively with external beam radiotherapy to prevent possible symptoms from local tumor progression. This case illustrates that when a patient with known prostate cancer presents with multifocal bladder tumors, the possibility of metastatic prostate cancer should be considered.

  11. Curative surgical management of isolated adrenal recurrence of oesophageal adenocarcinoma.

    Science.gov (United States)

    O'Sullivan, K E; Moriarty, A R; Larkin, J O; Reynolds, J V

    2013-04-29

    Adrenal metastases of oesophageal adenocarcinoma are rarely detected in the clinical setting, more frequently being found as an incidental postmortem finding in the presence of widespread metastases. With improvements in the sensitivity of radiological diagnostic modalities, the incidence of adrenal tumour detection is on the rise. We report herein a particularly rare case of primary operative management by adrenalectomy for an isolated right-sided adrenal metastasis secondary to oesophageal adenocarcinoma, with a long-term survival.

  12. Resection of Late Pulmonary Metastases from Pancreatic Adenocarcinoma: Is Surgery an Option?

    Science.gov (United States)

    Brieau, Bertrand; Barret, Maximilien; Rouquette, Alexandre; Dréanic, Johann; Brezault, Catherine; Regnard, Jean François; Coriat, Romain

    2015-01-01

    Patients with recurrences from pancreas adenocarcinoma have a poor survival rate despite new chemotherapy treatment options. Recurrences are mainly hepatic metastases or peritoneal dissemination and surgical treatment is not recommended. Late and single metachronous pulmonary recurrences are uncommon and may mimic primary lung carcinoma. We report two patients with late and unique pulmonary metastasis from pancreatic cancer. These two patients underwent surgical resection; three and five years later, they did not experience recurrences. Cases called for a surgical approach in late and unique pulmonary metastases from pancreatic cancer, and paved the way for a prolonged chemotherapy free period.

  13. Analysis of Imp3 Expression in Prostate Adenocarcinomas

    Directory of Open Access Journals (Sweden)

    Hülya TOSUN YILDIRIM

    2012-05-01

    Full Text Available Objective: Prostate cancer is the second most common cause of male cancer deaths after lung cancer in developed countries. The prognostic factors currently identified for prostate carcinoma include preoperative serum PSA, TNM staging system, histological grade and surgical margin status and are composed of the clinically most important and useful parameters. However, all the markers studied have not been applied in clinical practice. The oncofetal protein Insulin-Like Growth Factor II has been demonstrated to be associated with aggressive tumor behavior in many organs including urothelial tumors and renal cell carcinoma. Our aim was to investigate the expression status of Insulin-Like Growth Factor II in benign prostate glands, high grade PIN and prostate adenocarcinoma, and to determine the role of Insulin-Like Growth Factor II in pathogenesis of prostate adenocarcinoma.Material and Method: A total of 70 prostate adenocarcinoma cases accompanied by high grade PIN and benign prostate glands were evaluated by immunohistochemistry for the expression of Insulin-Like Growth Factor II.Results: Insulin-Like Growth Factor II expression was not seen in any of the 70 prostate adenocarcinoma and high grade PIN cases and benign prostate glands.Conclusion: Although the number of our cases was limited, our results suggested that Insulin-Like Growth Factor II protein expression was not included in the pathogenesis of the prostate adenocarcinomas and Insulin-Like Growth Factor II expression status cannot be used for diagnosis of prostate adenocarcinomas.

  14. Intramucosal adenocarcinoma of the ileum originated 40 years after ileosigmoidostomy

    Directory of Open Access Journals (Sweden)

    Sameshima Shinichi

    2009-04-01

    Full Text Available Abstract Background Small bowel adenocarcinomas (SBAs are rare carcinomas. They are asymptomatic and usually neither endoscopy nor contrast studies are performed for screening Case presentation A 72-year-old Japanese male had a positive fecal occult blood test at a regular check-up in 2006. He suffered appendicitis and received an ileosigmoidostomy in 1966. A colonoscopy revealed an irregular mucosal lesion with an unclear margin at the ileum side of the anastomosis. A mucosal biopsy specimen showed adenocarcinoma histopathologically. Excision of the anastomosis was performed for this patient. The resected specimen showed a flat mucosal lesion with a slight depression at the ileum adjacent to the anastomosis. Histological examination revealed a well differentiated intramucosal adenocarcinoma (adenocarcinoma in situ. Immunohistological staining demonstrated the overexpression of p53 protein in the adenocarcinoma. Conclusion Adenocarcinoma of the ileum at such an early stage is a very rare event. In this case, there is a possibility that the ileosigmoidostomy resulted in a back flow of colonic stool to the ileum that caused the carcinogenesis of the small intestine.

  15. Transparent Institutions

    Directory of Open Access Journals (Sweden)

    Javier Fombona

    2011-04-01

    Full Text Available The objective of this project is to create sets of media-based imagery that illustrate the internal workings of public institutions to the common citizen. This is an important need in countries that are seeking to open up their public and private institutions and bring them closer to their users. Method: There is a clear need to carry out proposals that tackle organizational lack of transparency; to this end, through an interdisciplinary approach, we propose the creation of a freeaccess Web-based portal that shows the interior of the institutions at hand, learning institutions to start with, this scope will be broadened later to institutions of health and public safety. The project chooses and shows a core selection of features capable of becoming international models for each kind of institutions, elementary schools in this phase. These features are shown in short videos, depicting every core element found: installations, governing bodies, documentation, samples of learning and teaching methodologies in use, etc. Results: the propossed project succeeds in getting institutions closer to their users. It has been developed in Spain, and translated to other Latin-American countries and the United States.

  16. Adenocarcinoma primário do duodeno

    Directory of Open Access Journals (Sweden)

    SIQUEIRA PABLO RODRIGO DE

    2002-01-01

    Full Text Available OBJETIVO: Revisar a literatura especializada a respeito dos adenocarcinomas duodenais primários e comparar os dados com os aspectos observados nesta casuística. MÉTODOS: Seis doentes com esta neoplasia, excluídas as lesões peri-ampulares, foram operados na Área de Estômago e Duodeno do Departamento de Cirurgia da Santa Casa de São Paulo, entre 1991 e 1999. Houve predominância do tumor no sexo masculino e na 6feminine década de vida. Os sinais e sintomas mais freqüentes foram o emagrecimento (83,3% e a obstrução intestinal crônica (66,6%, com média de duração de seis meses. A gastroduodenoscopia fez o diagnóstico, posteriormente confirmado pela histologia. Utilizamos a tomografia computadorizada e a ultra-sonografia para determinar o estádio da doença. Em três pacientes com lesão restrita à parede do órgão, praticou-se a ressecção duodenal segmentar curativa, e nos outros três, a derivação duodenal paliativa, pois o tumor infiltrava órgãos adjacentes. RESULTADOS: O tempo de internação pós-operatória variou de 5 a 9 dias, com média de 7,3 dias. A mortalidade operatória foi 16,6% (um doente. Não indicamos tratamento complementar com quimio ou radioterapia. O acompanhamento ambulatorial vem ocorrendo em períodos que variam de 15 a 20 meses. Os três pacientes submetidos à ressecção cirúrgica curativa estão sem evidências de recidiva até o 15masculine, 16masculine e 18masculine mês de pós-operatório. Houve seguimento de um e três meses nos dois pacientes submetidos a cirurgias paliativas, depois do que se perderam. CONCLUSÃO: O pequeno número de casos relatados não permitiu conclusões mais consistentes a respeito dos adenocarcinomas duodenais.

  17. Risk factor analysis of recurrence in low-grade endometrial adenocarcinoma.

    Science.gov (United States)

    Roma, Andres A; Rybicki, Lisa A; Barbuto, Denise; Euscher, Elizabeth; Djordjevic, Bojana; Frauenhoffer, Elizabeth; Kim, Insun; Hong, Sung Ran; Montiel, Delia; Ali-Fehmi, Rouba; Malpica, Anais; Silva, Elvio G

    2015-10-01

    Prognosis of endometrial adenocarcinoma is favorable; however, the risk of recurrence ranges from 7% to 13%. Recurrence has been related to age, tumor type, International Federation of Gynecology and Obstetrics grade, depth of invasion, and lymphovascular invasion (LVI); however, morphologic features that would predict the site of recurrence have not been established. In this multi-institutional study, we reviewed 589 patients with International Federation of Gynecology and Obstetrics grades 1 or 2 endometrial adenocarcinoma, endometrioid type. Cox proportional hazard analysis was used to identify univariate and multivariate risk factors for recurrence and survival. Univariate analysis revealed features of tumors that recurred only in the vagina: low nuclear grade; superficial myoinvasion; minimal to no LVI; and minimal myoinvasion with microcystic, elongated, and fragmented (MELF) pattern; low nuclear grade and superficial myoinvasion persisted on multivariate analysis. Features of tumors that recurred at other sites included large size, deep myoinvasion, tumor necrosis, 1 or more LVI foci, LVI foci distant/deeper than invasive tumor front, MELF myoinvasion pattern, lower uterine segment and cervical stromal involvement, pelvic and/or paraaortic lymph node metastases at presentation, and higher grade of tumor in the metastatic foci, whereas increased percentage of solid component and lower percentage of mucinous features were marginally associated. Tumors with recurrences only in vagina had different features than tumors that recurred at other sites. The presence of tumor necrosis, MELF foci at the invasive tumor front, and the percentage of solid component and mucinous features could be helpful in grading endometrioid adenocarcinomas, if a 2-tier rather than a 3-tier grading system is accepted in the future.

  18. Institutional Investors

    DEFF Research Database (Denmark)

    Birkmose, Hanne Søndergaard; Strand, Therese

    Research Question/Issue: Institutional investors are facing increased pressure and threats of legislation from the European Union to abandon passive ownership strategies. This study investigates the prerequisites for – and potential dissimilarities in the practice of, active ownership among...

  19. Institutional Controls

    Data.gov (United States)

    U.S. Environmental Protection Agency — This dataset consists of institutional control data from multiple Superfund sites in U.S. EPA Region 8. These data were acquired from multiple sources at different...

  20. Burn Institute

    Science.gov (United States)

    ... Now Help keep local seniors safe from fire! Burn Survivor Support If you are reading this, chances ... year – a burn injury. Learn more Fire and Burn Prevention Each year, the Burn Institute provides fire ...

  1. Comprehensive molecular characterization of gastric adenocarcinoma

    Science.gov (United States)

    Bass, Adam J.; Thorsson, Vesteinn; Shmulevich, Ilya; Reynolds, Sheila M.; Miller, Michael; Bernard, Brady; Hinoue, Toshinori; Laird, Peter W.; Curtis, Christina; Shen, Hui; Weisenberger, Daniel J.; Schultz, Nikolaus; Shen, Ronglai; Weinhold, Nils; Kelsen, David P.; Bowlby, Reanne; Chu, Andy; Kasaian, Katayoon; Mungall, Andrew J.; Robertson, A. Gordon; Sipahimalani, Payal; Cherniack, Andrew; Getz, Gad; Liu, Yingchun; Noble, Michael S.; Pedamallu, Chandra; Sougnez, Carrie; Taylor-Weiner, Amaro; Akbani, Rehan; Lee, Ju-Seog; Liu, Wenbin; Mills, Gordon B.; Yang, Da; Zhang, Wei; Pantazi, Angeliki; Parfenov, Michael; Gulley, Margaret; Piazuelo, M. Blanca; Schneider, Barbara G.; Kim, Jihun; Boussioutas, Alex; Sheth, Margi; Demchok, John A.; Rabkin, Charles S.; Willis, Joseph E.; Ng, Sam; Garman, Katherine; Beer, David G.; Pennathur, Arjun; Raphael, Benjamin J.; Wu, Hsin-Ta; Odze, Robert; Kim, Hark K.; Bowen, Jay; Leraas, Kristen M.; Lichtenberg, Tara M.; Weaver, Stephanie; McLellan, Michael; Wiznerowicz, Maciej; Sakai, Ryo; Getz, Gad; Sougnez, Carrie; Lawrence, Michael S.; Cibulskis, Kristian; Lichtenstein, Lee; Fisher, Sheila; Gabriel, Stacey B.; Lander, Eric S.; Ding, Li; Niu, Beifang; Ally, Adrian; Balasundaram, Miruna; Birol, Inanc; Bowlby, Reanne; Brooks, Denise; Butterfield, Yaron S. N.; Carlsen, Rebecca; Chu, Andy; Chu, Justin; Chuah, Eric; Chun, Hye-Jung E.; Clarke, Amanda; Dhalla, Noreen; Guin, Ranabir; Holt, Robert A.; Jones, Steven J.M.; Kasaian, Katayoon; Lee, Darlene; Li, Haiyan A.; Lim, Emilia; Ma, Yussanne; Marra, Marco A.; Mayo, Michael; Moore, Richard A.; Mungall, Andrew J.; Mungall, Karen L.; Nip, Ka Ming; Robertson, A. Gordon; Schein, Jacqueline E.; Sipahimalani, Payal; Tam, Angela; Thiessen, Nina; Beroukhim, Rameen; Carter, Scott L.; Cherniack, Andrew D.; Cho, Juok; Cibulskis, Kristian; DiCara, Daniel; Frazer, Scott; Fisher, Sheila; Gabriel, Stacey B.; Gehlenborg, Nils; Heiman, David I.; Jung, Joonil; Kim, Jaegil; Lander, Eric S.; Lawrence, Michael S.; Lichtenstein, Lee; Lin, Pei; Meyerson, Matthew; Ojesina, Akinyemi I.; Pedamallu, Chandra Sekhar; Saksena, Gordon; Schumacher, Steven E.; Sougnez, Carrie; Stojanov, Petar; Tabak, Barbara; Taylor-Weiner, Amaro; Voet, Doug; Rosenberg, Mara; Zack, Travis I.; Zhang, Hailei; Zou, Lihua; Protopopov, Alexei; Santoso, Netty; Parfenov, Michael; Lee, Semin; Zhang, Jianhua; Mahadeshwar, Harshad S.; Tang, Jiabin; Ren, Xiaojia; Seth, Sahil; Yang, Lixing; Xu, Andrew W.; Song, Xingzhi; Pantazi, Angeliki; Xi, Ruibin; Bristow, Christopher A.; Hadjipanayis, Angela; Seidman, Jonathan; Chin, Lynda; Park, Peter J.; Kucherlapati, Raju; Akbani, Rehan; Ling, Shiyun; Liu, Wenbin; Rao, Arvind; Weinstein, John N.; Kim, Sang-Bae; Lee, Ju-Seog; Lu, Yiling; Mills, Gordon; Laird, Peter W.; Hinoue, Toshinori; Weisenberger, Daniel J.; Bootwalla, Moiz S.; Lai, Phillip H.; Shen, Hui; Triche, Timothy; Van Den Berg, David J.; Baylin, Stephen B.; Herman, James G.; Getz, Gad; Chin, Lynda; Liu, Yingchun; Murray, Bradley A.; Noble, Michael S.; Askoy, B. Arman; Ciriello, Giovanni; Dresdner, Gideon; Gao, Jianjiong; Gross, Benjamin; Jacobsen, Anders; Lee, William; Ramirez, Ricardo; Sander, Chris; Schultz, Nikolaus; Senbabaoglu, Yasin; Sinha, Rileen; Sumer, S. Onur; Sun, Yichao; Weinhold, Nils; Thorsson, Vésteinn; Bernard, Brady; Iype, Lisa; Kramer, Roger W.; Kreisberg, Richard; Miller, Michael; Reynolds, Sheila M.; Rovira, Hector; Tasman, Natalie; Shmulevich, Ilya; Ng, Santa Cruz Sam; Haussler, David; Stuart, Josh M.; Akbani, Rehan; Ling, Shiyun; Liu, Wenbin; Rao, Arvind; Weinstein, John N.; Verhaak, Roeland G.W.; Mills, Gordon B.; Leiserson, Mark D. M.; Raphael, Benjamin J.; Wu, Hsin-Ta; Taylor, Barry S.; Black, Aaron D.; Bowen, Jay; Carney, Julie Ann; Gastier-Foster, Julie M.; Helsel, Carmen; Leraas, Kristen M.; Lichtenberg, Tara M.; McAllister, Cynthia; Ramirez, Nilsa C.; Tabler, Teresa R.; Wise, Lisa; Zmuda, Erik; Penny, Robert; Crain, Daniel; Gardner, Johanna; Lau, Kevin; Curely, Erin; Mallery, David; Morris, Scott; Paulauskis, Joseph; Shelton, Troy; Shelton, Candace; Sherman, Mark; Benz, Christopher; Lee, Jae-Hyuk; Fedosenko, Konstantin; Manikhas, Georgy; Potapova, Olga; Voronina, Olga; Belyaev, Smitry; Dolzhansky, Oleg; Rathmell, W. Kimryn; Brzezinski, Jakub; Ibbs, Matthew; Korski, Konstanty; Kycler, Witold; ŁaŸniak, Radoslaw; Leporowska, Ewa; Mackiewicz, Andrzej; Murawa, Dawid; Murawa, Pawel; Spychała, Arkadiusz; Suchorska, Wiktoria M.; Tatka, Honorata; Teresiak, Marek; Wiznerowicz, Maciej; Abdel-Misih, Raafat; Bennett, Joseph; Brown, Jennifer; Iacocca, Mary; Rabeno, Brenda; Kwon, Sun-Young; Penny, Robert; Gardner, Johanna; Kemkes, Ariane; Mallery, David; Morris, Scott; Shelton, Troy; Shelton, Candace; Curley, Erin; Alexopoulou, Iakovina; Engel, Jay; Bartlett, John; Albert, Monique; Park, Do-Youn; Dhir, Rajiv; Luketich, James; Landreneau, Rodney; Janjigian, Yelena Y.; Kelsen, David P.; Cho, Eunjung; Ladanyi, Marc; Tang, Laura; McCall, Shannon J.; Park, Young S.; Cheong, Jae-Ho; Ajani, Jaffer; Camargo, M. Constanza; Alonso, Shelley; Ayala, Brenda; Jensen, Mark A.; Pihl, Todd; Raman, Rohini; Walton, Jessica; Wan, Yunhu; Demchok, John A.; Eley, Greg; Mills Shaw, Kenna R.; Sheth, Margi; Tarnuzzer, Roy; Wang, Zhining; Yang, Liming; Zenklusen, Jean Claude; Davidsen, Tanja; Hutter, Carolyn M.; Sofia, Heidi J.; Burton, Robert; Chudamani, Sudha; Liu, Jia

    2014-01-01

    Gastric cancer is a leading cause of cancer deaths, but analysis of its molecular and clinical characteristics has been complicated by histological and aetiological heterogeneity. Here we describe a comprehensive molecular evaluation of 295 primary gastric adenocarcinomas as part of The Cancer Genome Atlas (TCGA) project. We propose a molecular classification dividing gastric cancer into four subtypes: tumours positive for Epstein–Barr virus, which display recurrent PIK3CA mutations, extreme DNA hypermethylation, and amplification of JAK2, CD274 (also known as PD-L1) and PDCD1LG2 (also knownasPD-L2); microsatellite unstable tumours, which show elevated mutation rates, including mutations of genes encoding targetable oncogenic signalling proteins; genomically stable tumours, which are enriched for the diffuse histological variant and mutations of RHOA or fusions involving RHO-family GTPase-activating proteins; and tumours with chromosomal instability, which show marked aneuploidy and focal amplification of receptor tyrosine kinases. Identification of these subtypes provides a roadmap for patient stratification and trials of targeted therapies. PMID:25079317

  2. MicroRNAs in pancreatic ductal adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Jong Y Park; James Helm; Domenico Coppola; Donghwa Kim; Mokenge Malafa; Seung Joon Kim

    2011-01-01

    Ductal adenocarcinoma of the pancreas is a lethal cancer for which the only chance of long-term survival belongs to the patient with localized disease in whom a potentially curative resection can be done.Therefore,biomarkers for early detection and new therapeutic strategies are urgently needed.miRNAs are a recently discovered class of small endogenous non-coding RNAs of about 22 nucleotides that have gained attention for their role in downregulation of mRNA expression at the posttranscriptional level.miRNAs regulate proteins involved in critical cellular processes such as differentiation,proliferation,and apoptosis.Evidence suggests that deregulated miRNA expression is involved in carcinogenesis at many sites,including the pancreas.Aberrant expression of miRNAs may upregulate the expression of oncogenes or downregulate the expression of tumor suppressor genes,as well as play a role in other mechanisms of carcinogenesis.The purpose of this review is to summarize our knowledge of deregulated miRNA expression in pancreatic cancer and discuss the implication for potential translation of this knowledge into clinical practice.

  3. Circulating hematopoietic progenitors and CD34+ cells predicted successful hematopoietic stem cell harvest in myeloma and lymphoma patients: experiences from a single institution

    Directory of Open Access Journals (Sweden)

    Yu JT

    2016-02-01

    Full Text Available Jui-Ting Yu,1,2,* Shao-Bin Cheng,3,* Youngsen Yang,1 Kuang-Hsi Chang,4 Wen-Li Hwang,1 Chieh-Lin Jerry Teng,1,5,6 1Division of Hematology/Medical Oncology, Department of Medicine, Taichung Veterans General Hospital, 2Division of Hematology/Medical Oncology, Tungs' Taichung MetroHarbor Hospital, 3Division of General Surgery, Department of Surgery, 4Department of Medical Research and Education, Taichung Veterans General Hospital, 5Department of Life Science, Tunghai University, 6School of Medicine, Chung Shan Medical University, Taichung, Taiwan, Republic of China *These authors contributed equally to this work Background: Previous studies have shown that the numbers of both circulating hematopoietic progenitor cell (HPC and CD34+ cell are positively correlated with CD34+ cell harvest yield. However, the minimal numbers of both circulating HPCs and CD34+ cells required for performing an efficient hematopoietic stem cell (HSC harvest in lymphoma and myeloma patients have not been defined in our institution. Patients and methods: Medical records of 50 lymphoma and myeloma patients undergoing peripheral blood HSC harvest in our institution were retrospectively reviewed. The minimal and optimal HSC harvest yield required for the treatment was considered to be ≥2×106 CD34+ cells/kg and ≥5×106 CD34+ cells/kg, respectively. Results: The minimally required or optimal HSC yield obtained was not influenced by age (≥60 years, sex, underlying malignancies, disease status, multiple rounds of chemotherapy, or history of radiotherapy. The numbers of both circulating HPC and CD34+ cell were higher in patients with minimally required HSC yields (P=0.000 for HPC and P=0.000 for CD34+ cell and also in patients with optimal HSC yields (P=0.011 for HPC and P=0.006 for CD34+ cell. The cell count cutoff for obtaining minimally required HSC harvest was determined to be 20/mm3 for HPCs and 10/mm3 for CD34+ cells. Furthermore, the cell count cutoff for obtaining

  4. High-resolution array comparative genomic hybridization in sporadic and celiac disease-related small bowel adenocarcinomas.

    NARCIS (Netherlands)

    Diosdado, B.; Buffart, T.E.; Watkins, R.; Carvalho, B.; Ylstra, B.; Tijssen, M.; Bolijn, A.S.; Lewis, F.; Maude, K.; Verbeke, C.; Nagtegaal, I.D.; Grabsch, H.; Mulder, C.J.; Quirke, P.; Howdle, P.; Meijer, G.A.

    2010-01-01

    PURPOSE: The molecular pathogenesis of small intestinal adenocarcinomas is not well understood. Understanding the molecular characteristics of small bowel adenocarcinoma may lead to more effective patient treatment. EXPERIMENTAL DESIGN: Forty-eight small bowel adenocarcinomas (33 non-celiac disease

  5. Clinical and Renal Biopsy Findings Predicting Outcome in Renal Thrombotic Microangiopathy: A Large Cohort Study from a Single Institute in China

    Directory of Open Access Journals (Sweden)

    Xiao-Juan YU

    2014-01-01

    Full Text Available Objective. The current study aimed to investigate the spectrum of etiologies and associated disorders of renal biopsy-proven thrombotic microangiopathy (TMA patients. Methods. The clinical, laboratory, and renal histopathological data of patients with renal TMA from 2000 to 2012 in our institute were collected and reviewed. Results. One hundred and nine TMA patients were enrolled in this study. The mean age was 34.0 ± 11.1 years. Seventy patients (64.2% were male and thirty-nine patients (35.8% were female. There were eight patients (7.3% with hemolytic uremic syndrome (HUS. Sixty-one patients (56.0% were secondary to malignant hypertension. Fourteen patients (12.8% were pregnancy-associated TMA. Other associated disorders included 17 patients with connective tissue disorders, 2 patients with hematopoietic stem cell transplantation, 4 patients with Castleman’s disease, 1 patient with cryoglobulinemia, and 2 patients with glomerulopathy. During followup, 8 patients died due to severe infection, 17 patients had doubling of serum creatinine, and 44 had end-stage renal disease. In multivariate analysis, male, elevated serum creatinine, and decreased hemoglobin were independently associated with poor renal outcomes. Conclusions. Renal TMA changes consisted of different disorders with various etiologies. aHUS, pregnancy-associated TMA, and malignant hypertension accounted for the majority of patients in our cohort.

  6. Incidence, risk factors, and treatment outcome of symptomatic osteonecrosis in Taiwanese children with acute lymphoblastic leukemia: a retrospective cohort study of 245 patients in a single institution.

    Science.gov (United States)

    Chen, Shih-Hsiang; Chang, Tsung-Yen; Jaing, Tang-Her; Lee, Mel S; Wang, Chao-Jan; Hung, Iou-Jih; Yang, Chao-Ping

    2015-07-01

    Osteonecrosis (ON) is a potentially disabling complication encountered in children who receive chemotherapy for acute lymphoblastic leukemia (ALL). Considering the possible effect of ethnic difference on the clinical features of symptomatic ON in pediatric ALL, we retrospectively evaluated 245 children with ALL who were treated at Chang Gung Memorial Hospital, Linkou, between 2002 and 2011. Six (2.4 %) patients developed symptomatic ON in a total of 17 sites during the follow-up period. Diagnosis of ON was confirmed by X-ray in seven, magnetic resonance imaging in two, and bone scan in three patients. The estimated cumulative incidence of symptomatic ON in newly diagnosed ALL was 3.4 % at 8 years. Four patients received ON-directed surgical interventions, including total hip replacement in three and arthroplasty in one. The incidence of ON was significantly higher among girls (P = 0.03), patients >10 years old (P = 2.2 × 10(-4)), and patients who had received more intensive chemotherapy regimen (P = 0.02). These results indicate that the incidence and risk factors in our institute were similar to those observed in Western countries. Future studies surveying the impact on the quality of life of childhood ALL survivors in Taiwan are warranted.

  7. Effects of total body irradiation-based conditioning allogenic sem cell transplantation for pediatric acute leukemia: A single-institution study

    Energy Technology Data Exchange (ETDEWEB)

    Park, Jong Moo; Choi, Eun Kyung; Kim, Jong Hoon [Dept.of Radiation Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul (Korea, Republic of); and others

    2014-09-15

    To evaluate the effects of total body irradiation (TBI), as a conditioning regimen prior to allogeneic stem cell transplantation (allo-SCT), in pediatric acute leukemia patients. From January 2001 to December 2011, 28 patients, aged less than 18 years, were treated with TBI-based conditioning for allo-SCT in our institution. Of the 28 patients, 21 patients were diagnosed with acute lymphoblastic leukemia (ALL, 75%) and 7 were diagnosed with acute myeloid leukemia (AML, 25%). TBI was completed 4 days or 1 day before stem cell infusion. Patients underwent radiation therapy with bilateral parallel opposing fields and 6-MV X-rays. The Kaplan-Meier method was used to calculate survival outcomes. The 2-year event-free survival and overall survival rates were 66% and 56%, respectively (71.4% and 60.0% in AML patients vs. 64.3% and 52.4% in ALL patients, respectively). Treatment related mortality rate were 25%. Acute and chronic graft-versus-host disease was a major complication; other complications included endocrine dysfunction and pulmonary complications. Common complications from TBI were nausea (89%) and cataracts (7.1%). The efficacy and toxicity data in this study of TBI-based conditioning to pediatric acute leukemia patients were comparable with previous studies. However, clinicians need to focus on the acute and chronic complications related to allo-SCT.

  8. Hemophagocytic lymphohistiocytosis: A series of five clinical cases in adult patients at a single institution with a review of the literature

    Directory of Open Access Journals (Sweden)

    David Thomas

    2015-01-01

    Full Text Available Context: Hemophagocytic Lymphohistiocytosis or the "Hemophagocytic Syndrome" is a spectrum of disorders of regulatory immunomodulatory pathways inciting phagocytosis of hematopoietic cells resulting in end-organ damage. The condition appears in both heritable and non-heritable forms from a multitude of possible environmental triggers, most notably infection. The condition often results in a fatal outcome without prompt diagnosis and treatment. Cases in children have been reported much more frequently and classically than in adult patients. Case Report: In this case series we examined five such cases in adult patients that were found at our institution in a window as small at 2 years with more cases having presented since the time of this writing. In these cases, likely triggers were found ranging from infectious, drug-inducing and even underlying malignancy. The condition can be diagnosed by a set of laboratory and physical criteria (Hemophagocytic Lymphohistiocytosis -2004. Treatment ranges from immunosuppressive agents to chemotherapeutic approaches with variable success. Conclusion: Clinicians must maintain a higher index of suspicion in cases presenting with ominous symptomatology to ensure a prompt diagnosis and effective treatment of this potentially deadly condition.

  9. Late effects after treatment of twenty children with soft tissue sarcomas of the head and neck. Experience at a single institution with a review of the literature

    Energy Technology Data Exchange (ETDEWEB)

    Fromm, M.; Littman, P.; Raney, R.B.; Nelson, L.; Handler, S.; Diamond, G.; Stanley, C.

    1986-05-15

    Twenty children with soft tissue sarcomas of the head and neck, treated at the Children's Hospital of Philadelphia and the Hospital of the University of Pennsylvania from 1972 to 1981, were evaluated for the late deleterious effects of treatment. All patients received radiation therapy and combination chemotherapy with vincristine, dactinomycin, and cyclophosphamide; certain patients also received Adriamycin (doxorubicin). All had ophthalmologic, otologic, growth, and cosmetic evaluations; 15 also had dental and maxillofacial examinations. The median age at diagnosis was 6 years (range, 7 months-13 years). Median follow-up from time of diagnosis was 5.5 years with a minimum of 3 years in all but four patients. The major problems encountered were related to the eyes (xerophthalmia and cataracts), ears (hearing loss), teeth (maleruption and caries), glandular structures (xerostomia, hypopituitarism), and development (craniofacial deformity). It is concluded that children treated for soft tissue sarcomas of the head and neck with combined modality therapy, including radiation enhancers, may show a variety of late treatment-related adversities. These children require close multidisciplinary follow-up for detection of late effects in order that appropriate prophylactic or symptomatic treatment can be instituted to minimize their consequences.

  10. High-Dose Chemotherapy with Autologous Hematopoietic Stem-Cell Rescue for Pediatric Brain Tumor Patients: A Single Institution Experience from UCLA

    Directory of Open Access Journals (Sweden)

    Eduard H. Panosyan

    2011-01-01

    Full Text Available Background. Dose-dependent response makes certain pediatric brain tumors appropriate targets for high-dose chemotherapy with autologous hematopoietic stem-cell rescue (HDCT-AHSCR. Methods. The clinical outcomes and toxicities were analyzed retrospectively for 18 consecutive patients ≤19 y/o treated with HDCT-AHSCR at UCLA (1999–2009. Results. Patients' median age was 2.3 years. Fourteen had primary and 4 recurrent tumors: 12 neural/embryonal (7 medulloblastomas, 4 primitive neuroectodermal tumors, and a pineoblastoma, 3 glial/mixed, and 3 germ cell tumors. Eight patients had initial gross-total and seven subtotal resections. HDCT mostly consisted of carboplatin and/or thiotepa ± etoposide (n=16. Nine patients underwent a single AHSCR and nine ≥3 tandems. Three-year progression-free and overall survival probabilities were 60.5% ± 16 and 69.3% ± 11.5. Ten patients with pre-AHSCR complete remissions were alive/disease-free, whereas 5 of 8 with measurable disease were deceased (median followup: 2.3 yrs. Nine of 13 survivors avoided radiation. Single AHSCR regimens had greater toxicity than ≥3 AHSCR (P<.01. Conclusion. HDCT-AHSCR has a definitive, though limited role for selected pediatric brain tumors with poor prognosis and pretransplant complete/partial remissions.

  11. Pathobiological behavior and molecular mechanism of signet ring cell carcinoma and mucinous adenocarcinoma of the stomach:A comparative study

    Institute of Scientific and Technical Information of China (English)

    Xue-Fei Yang; Lin Yang; Xiao-Yun Mao; Dong-Ying Wu; Su-Min Zhang; Yan Xin

    2004-01-01

    AIM: To elucidate the distinctive pathobiological behavior between signet ring cell carcinoma (SRC) and mucinous adenocarcinoma of the stomach.METHODS: Based on the histological growth patterns and cell-functional differentiation classifications of stomach carcinoma, we conducted a series of comparative studies.All paraffin-embedded and frozen blocks were collected from the files of Cancer Institute of China Medical University. On the basis of histopathological observation, we applied enzymatic and mucous histochemistry, immunohistochemistry,flow cytometry (FCM) and molecular biology to compare these two categories of gastric cancers in terms of the DNA ploidy, proliferative kinetics, the expression of gastric carcinoma associated gene product and instabilities of mitochondrial DNA (mtDNA).RESULTS: Gastric SRC was commonly seen in females below 45 years, mostly presenting diffuse growth and ovary or uterine cervix metastasis. The majority of SRC were absorptive and mucus-producing functional differentiation type (AMlPFDT), which growth relied on estrogen. Meanwhile,stomach mucinous adenocarcinomas were mostly observed in males over 50 years, prone to massive growth or nest growth and extensive peritoneal infiltration, showing two categories of cell-functional differentiation types: AMPFDT and mucus-secreting functional differentiation type (MSFDT).Expressions of ER, enzyme c-PDE and 67kDaLN-R in SRC were evidently higher than that in mucinous adenocarcinoma,while expressions of LN, CN-IV, CD44v6, and PTEN protein were obviously lower in SRC than that in mucinous adenocarcinoma (P<0.05). There was no statistic significance in VEGF, ECD and instabilities of mtDNA (P>0.05) between the above two gastric carcinomas.CONCLUSION: Though SRC and mucinous adenocarcinoma were both characterized by abundant mucus-secretion, they were quite different in morphology, ultrastructure, cellfunctional differentiation and protein expression, indicating different mechanisms of

  12. The prevalence and prognostic significance of KRAS mutation subtypes in lung adenocarcinomas from Chinese populations

    Directory of Open Access Journals (Sweden)

    Zheng DF

    2016-02-01

    Full Text Available Difan Zheng,1,2,* Rui Wang,1,2,* Yang Zhang,1,2 Yunjian Pan,1,2 Xinghua Cheng,3 Chao Cheng,1,2 Shanbo Zheng,1,2 Hang Li,1,2 Ranxia Gong,1,2 Yuan Li,2,4 Xuxia Shen,2,4 Yihua Sun,1,2 Haiquan Chen1–3,51Department of Thoracic Surgery, Fudan University Shanghai Cancer Center, 2Department of Oncology, Shanghai Medical College, Fudan University, 3Shanghai Chest Hospital, Shanghai Jiao Tong University, 4Department of Pathology, Fudan University Shanghai Cancer Center, 5Institutes of Biomedical Sciences, Fudan University, Shanghai, People’s Republic of China*These authors contributed equally to this workBackground: We performed this retrospective study to identify the prevalence of KRAS mutation in Chinese populations and make a comprehensive investigation of the clinicopathological features of KRAS mutation in these patients.Patients and methods: Patients from 2007 to 2013 diagnosed with primary lung adenocarcinoma who received a radical resection were examined for KRAS, EGFR, HER2, BRAF mutations, and ALK, RET, and ROS1 fusions. Clinicopathological features, including sex, age, tumor–lymph node–metastasis stage, tumor differentiation, smoking status, histological subtypes, and survival information were analyzed.Result: KRAS mutation was detected in 113 of 1,368 patients. Nine different subtypes of KRAS mutation were identified in codon 12, codon 13, and codon 61. KRAS mutation was more frequently found in male patients and former/current smoker patients. Tumors with KRAS mutation had poorer differentiation. Invasive mucinous adenocarcinoma predominant and solid predominant subtypes were more frequent in KRAS mutant patients. No statistical significance was found in relapse-free survival or overall survival between patients with KRAS mutation and patients with other mutations.Conclusion: In Chinese populations, we identified KRAS mutation in 8.3% (113/1,368 of the patients with lung adenocarcinoma. KRAS mutation defines a molecular subset of

  13. Metastatic primary duodenal adeno-carcinoma responding to metronomic oral cyclophosphamide chemotherapy

    Directory of Open Access Journals (Sweden)

    Anis Bandyopadhyay

    2014-01-01

    Full Text Available Primary adenocarcinoma of duodenum is a very rare tumour with a prevalence of only 0.3 to 1% of among all the tumours of gastrointestinal tracts. Localised tumours, if resected have good prognosis but those with metastates entails a poor prognosis, where generally palliation may be the only feasible option. Low dose continous cytotoxic treatment or metronomic chemotherapy prevents neoangiogenesis and chemoresistance thereby, provides excellent symptom relief and palliation in many advanced heavily pretreated solid malignancies. It offers as an affordable, less toxic therapy with moderate to good efficacy. Here we report a case of a 52 year female who, presented with history of maleana, pallor and pedal edema for last 2 months. Her performance status was poor (KPS 40 and she had enlarged left supraclavicular lymph node, palpable liver and vague mass in paraumbilical region. Upper GI endoscopy revealed large ulceroproliferative growth in the D2 segment and HPE showed moderately differentiated adenocarcinoma. CT scan revealed paratracheal and retroperitoneal lymphadenopathy and bone scan revealed vertebral metastasis. Patient received oral cyclophosphamide and hematinic and vitamin support, along with radiation to spine. There was near complete clinical response, and progression free period of about 32 weeks. Thus, single agent cyclophosphamide in the present case provided near total clinical response and prolonged period of freedom from disease progression with excellent palliation of symptoms. Hence in patient of advanced and metastatic small bowel cancer, with poor performance status metronomic therapy with single agent cyclophosphamide may provide viable option both for treatment and palliation.

  14. A metastatic colon adenocarcinoma harboring BRAF V600E has a durable major response to dabrafenib/trametinib and chemotherapy

    Directory of Open Access Journals (Sweden)

    Williams CB

    2015-12-01

    Full Text Available Casey B Williams,1,* Caitlin McMahon,2,* Siraj M Ali,2 Mark Abramovitz,1 Kirstin A Williams,1 Jessica Klein,1 Heidi McKean,1 Roman Yelensky,2 Thomas J George Jr,3 Julia A Elvin,2 Salil Soman,4 Doron Lipson,2 Juliann Chmielecki,2 Deborah Morosini,2 Vincent A Miller,2 Philip J Stephens,2 Jeffrey S Ross,2,5 Brian Leyland-Jones1 1Avera Cancer Institute, Sioux Falls, SD, USA; 2Foundation Medicine, Inc., Cambridge, MA, USA; 3University of Florida College of Medicine, Gainesville, FL, USA; 4Beth Israel Deaconess Medical Center, Boston, MA, USA; 5Albany Medical College, Albany, NY, USA *These authors contributed equally to this work Abstract: The subset of metastatic colorectal adenocarcinomas that harbor BRAF V600E mutations are aggressive tumors with significantly shortened survival and limited treatment options. Here we present a colorectal cancer patient whose disease progressed through standard chemotherapy and who developed liver metastasis. Comprehensive genomic profiling (FoundationOne® identified a BRAF V600E mutation in the liver lesion, as well as other genomic alterations consistent with colorectal cancers. Combination therapy of dabrafenib and trametinib with standard cytotoxic chemotherapy resulted in a durable major ongoing response for the patient. This report illustrates the utility of comprehensive genomic profiling with personalized targeted therapy for aggressive metastatic colorectal adenocarcinomas. Keywords: oxaliplatin, colorectal adenocarcinoma, combination targeted therapy, BRAF mutations

  15. Efficacy of Gefitinib for Young Patients with Unknown EGFR Gene Mutation 
in Advanced Lung Adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Yutao LIU

    2014-05-01

    Full Text Available Background and objective Lung cancer in young patients (less or equal to 45 years is relatively rare. We explored the efficacy and survival of Gefitinib for young patients with unknown epidermal growth factor receptor (EGFR gene mutation of advanced lung adenocarcinoma. Methods The clinical data of 55 young patients with unknown EGFR gene mutation in advanced lung adenocarcinoma referred to the Cancer Hospital & Institute, Chinese Academy of Medical Sciences from Jan 2006 through Dec 2010 were analyzed retrospectively. Results Of 55 young patients enrolled, the median age was 41 years. The objective response rate and disease control rate were 43.6% and 90.9%, respectively.. The median progression-free survival (PFS was 9.0 months. Among the factors analyzed, brain metastasis had significant effect on PFS (P=0.017. The median overall survival (OS was 24.0 months. The independent prognostic factors to significantly improve OS included non-smoking history (P=0.028 and receiving other anti-cancer treatment after Gefitinib therapy (P<0.001. Conclusion The median PFS and OS of the young patients with Unknown EGFR gene mutation in advanced lung adenocarcinoma were similar with general population.

  16. Intensity modulated radiotherapy (IMRT in the treatment of children and Adolescents - a single institution's experience and a review of the literature

    Directory of Open Access Journals (Sweden)

    Huber Peter

    2009-09-01

    Full Text Available Abstract Background While IMRT is widely used in treating complex oncological cases in adults, it is not commonly used in pediatric radiation oncology for a variety of reasons. This report evaluates our 9 year experience using stereotactic-guided, inverse planned intensity-modulated radiotherapy (IMRT in children and adolescents in the context of the current literature. Methods Between 1999 and 2008 thirty-one children and adolescents with a mean age of 14.2 years (1.5 - 20.5 were treated with IMRT in our department. This heterogeneous group of patients consisted of 20 different tumor entities, with Ewing's sarcoma being the largest (5 patients, followed by juvenile nasopharyngeal fibroma, esthesioneuroblastoma and rhabdomyosarcoma (3 patients each. In addition a review of the available literature reporting on technology, quality, toxicity, outcome and concerns of IMRT was performed. Results With IMRT individualized dose distributions and excellent sparing of organs at risk were obtained in the most challenging cases. This was achieved at the cost of an increased volume of normal tissue receiving low radiation doses. Local control was achieved in 21 patients. 5 patients died due to progressive distant metastases. No severe acute or chronic toxicity was observed. Conclusion IMRT in the treatment of children and adolescents is feasible and was applied safely within the last 9 years at our institution. Several reports in literature show the excellent possibilities of IMRT in selective sparing of organs at risk and achieving local control. In selected cases the quality of IMRT plans increases the therapeutic ratio and outweighs the risk of potentially increased rates of secondary malignancies by the augmented low dose exposure.

  17. Endometrium adenocarcinoma: last five years retrospective case at Hospital do Servidor Publico from Sao Paulo State, SP, Brazil; Adenocarcinoma do endometrio: retrospectiva de casos dos ultimos cinco anos no Hospital do Servidor Publico Estadual Francisco Morato de Oliveira, Sao Paulo

    Energy Technology Data Exchange (ETDEWEB)

    Millen, Eduardo Camargo; Blesa, Ana Cristina Poli; Silva, Fabiana Ruas Domingues da; Lopes, Luis Augusto Freire; Baracat, Fausto F.; Lopes, Reginaldo Guedes Coelho; Lippi, Umberto Gazzi [Hospital do Servidor Publico Estadual Francisco Morato de Oliveira, Sao Paulo, SP (Brazil)

    2003-07-01

    The present study is an institutional review of endometrial adenocarcinoma in patients of a public hospital for state civil servants in the city of Sao Paulo, the Francisco Morato de Oliveira Civil Servants Hospital, from January 1996 to October 2000. The following factors were considered: age of disease onset, age of menarche and menopause, number of pregnancies, use of hormone-replacement therapy, and associated morbidities such as diabetes mellitus, obesity and hypertension. The conclusion was that a history of menstrual disorders and vaginal bleeding in post-menopausal period, such as hypermenorraghia and endometrial thickness greater than four millimeters in post menopausal women, must be accurately investigated for endometrial neoplasia. (author)

  18. ATM protein is deficient in over 40% of lung adenocarcinomas.

    Science.gov (United States)

    Villaruz, Liza C; Jones, Helen; Dacic, Sanja; Abberbock, Shira; Kurland, Brenda F; Stabile, Laura P; Siegfried, Jill M; Conrads, Thomas P; Smith, Neil R; O'Connor, Mark J; Pierce, Andrew J; Bakkenist, Christopher J

    2016-09-06

    Lung cancer is the leading cause of cancer-related mortality in the USA and worldwide, and of the estimated 1.2 million new cases of lung cancer diagnosed every year, over 30% are lung adenocarcinomas. The backbone of 1st-line systemic therapy in the metastatic setting, in the absence of an actionable oncogenic driver, is platinum-based chemotherapy. ATM and ATR are DNA damage signaling kinases activated at DNA double-strand breaks (DSBs) and stalled and collapsed replication forks, respectively. ATM protein is lost in a number of cancer cell lines and ATR kinase inhibitors synergize with cisplatin to resolve xenograft models of ATM-deficient lung cancer. We therefore sought to determine the frequency of ATM loss in a tissue microarray (TMA) of lung adenocarcinoma. Here we report the validation of a commercial antibody (ab32420) for the identification of ATM by immunohistochemistry and estimate that 61 of 147 (41%, 95% CI 34%-50%) cases of lung adenocarcinoma are negative for ATM protein expression. As a positive control for ATM staining, nuclear ATM protein was identified in stroma and immune infiltrate in all evaluable cases. ATM loss in lung adenocarcinoma was not associated with overall survival. However, our preclinical findings in ATM-deficient cell lines suggest that ATM could be a predictive biomarker for synergy of an ATR kinase inhibitor with standard-of-care cisplatin. This could improve clinical outcome in 100,000's of patients with ATM-deficient lung adenocarcinoma every year.

  19. Clinicopathologic features of incidental prostatic adenocarcinoma in radical cystoprostatectomy specimens

    Directory of Open Access Journals (Sweden)

    Vuruskan Hakan

    2011-07-01

    Full Text Available Abstract Background The aim of this study is to review all features of incidentally discovered prostate adenocarcinoma in patients undergoing radical cystoprostatectomy for bladder cancer. Methods The medical charts of 300 male patients who underwent radical cystoprostatectomy for bladder cancer between 1997 and 2005 were retrospectively reviewed. The mean age of the patients was 62 (range 51-75 years. Results Prostate adenocarcinoma was present in 60 (20% of 300 specimens. All were acinar adenocarcinoma. Of these, 40 (66.7% were located in peripheral zone, 20 (33.3% had pT2a tumor, 12 (20% had pT2b tumor, 22(36.7% had pT2c and, 6 (10% had pT3a tumor. Gleason score was 6 or less in 48 (80% patients. Surgical margins were negative in 54 (90% patients, and tumor volume was less than 0.5 cc in 23 (38.3% patients. Of the 60 incidentally detected cases of prostate adenocarcinoma 40 (66.7% were considered clinically significant. Conclusion Incidentally detected prostate adenocarcinoma is frequently observed in radical cystoprostatectomy specimens. The majority are clinically significant.

  20. Unimagined Institutions

    DEFF Research Database (Denmark)

    Zangenberg, Mikkel Bruun

    2007-01-01

    In this paper it is argued that war contains inherent and thus necessary aesthetic traits (ranging from sensory data to narrative features), but that existing research institutions throughout the West have failed to address this issue adequately, in terms of research policy, recruitment and metho......In this paper it is argued that war contains inherent and thus necessary aesthetic traits (ranging from sensory data to narrative features), but that existing research institutions throughout the West have failed to address this issue adequately, in terms of research policy, recruitment...... and methodology. Accordingly, it is suggested that scholars from the humanities in particular aggressively seek to develop new types of research institutions and methods in order to deal with the manifold forms of overlap between warfare and aesthetics. In empirical terms, focus is limited to the current...

  1. Molecular mechanisms of bortezomib resistant adenocarcinoma cells.

    Directory of Open Access Journals (Sweden)

    Erika Suzuki

    Full Text Available Bortezomib (Velcade™ is a reversible proteasome inhibitor that is approved for the treatment of multiple myeloma (MM. Despite its demonstrated clinical success, some patients are deprived of treatment due to primary refractoriness or development of resistance during therapy. To investigate the role of the duration of proteasome inhibition in the anti-tumor response of bortezomib, we established clonal isolates of HT-29 adenocarcinoma cells adapted to continuous exposure of bortezomib. These cells were ~30-fold resistant to bortezomib. Two novel and distinct mutations in the β5 subunit, Cys63Phe, located distal to the binding site in a helix critical for drug binding, and Arg24Cys, found in the propeptide region were found in all resistant clones. The latter mutation is a natural variant found to be elevated in frequency in patients with MM. Proteasome activity and levels of both the constitutive and immunoproteasome were increased in resistant cells, which correlated to an increase in subunit gene expression. These changes correlated with a more rapid recovery of proteasome activity following brief exposure to bortezomib. Increased recovery rate was not due to increased proteasome turnover as similar findings were seen in cells co-treated with cycloheximide. When we exposed resistant cells to the irreversible proteasome inhibitor carfilzomib we noted a slower rate of recovery of proteasome activity as compared to bortezomib in both parental and resistant cells. Importantly, carfilzomib maintained its cytotoxic potential in the bortezomib resistant cell lines. Therefore, resistance to bortezomib, can be overcome with irreversible inhibitors, suggesting prolonged proteasome inhibition induces a more potent anti-tumor response.

  2. Pathophysiological mechanisms linking obesity and esophageal adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Leo; Alexandre; Elizabeth; Long; Ian; LP; Beales

    2014-01-01

    In recent decades there has been a dramatic rise in the incidence of esophageal adenocarcinoma(EAC) in the developed world. Over approximately the same period there has also been an increase in the prevalence of obesity. Obesity, especially visceral obesity, is an important independent risk factor for the development of gastro-esophageal reflux disease, Barrett’s esophagus and EAC. Although the simplest explanation is that this mediated by the mechanical effects of abdominal obesity promoting gastro-esophageal reflux, the epidemiological data suggest that the EAC-promoting effects are independent of reflux. Several, not mutually exclusive, mechanisms have been implicated, which may have different effects at various points along the refluxBarrett’s-cancer pathway. These mechanisms include a reduction in the prevalence of Helicobacter pylori infection enhancing gastric acidity and possibly appetite byincreasing gastric ghrelin secretion, induction of both low-grade systemic inflammation by factors secreted by adipose tissue and the metabolic syndrome with insulin-resistance. Obesity is associated with enhanced secretion of leptin and decreased secretion of adiponectin from adipose tissue and both increased leptin and decreased adiponectin have been shown to be independent risk factors for progression to EAC. Leptin and adiponectin have a set of mutually antagonistic actions on Barrett’s cells which appear to influence the progression of malignant behaviour. At present no drugs are of proven benefit to prevent obesity associated EAC. Roux-en-Y reconstruction is the preferred bariatric surgical option for weight loss in patients with reflux. Statins and aspirin may have chemopreventative effects and are indicated for their circulatory benefits.

  3. Clinicopathologial features of gastric hepatoid adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Cheng-Yu Lin

    2015-02-01

    Full Text Available Background: Gastric hepatoid adenocarcinoma (GHA, a rare type of primary gastric cancer, is characterized by hepatocellular carcinoma-like histology. As details of this disease remain unknown, the aim of this study was to evaluate the clinicopathological features of GHA. Methods: From January 2001 to December 2010, 4563 patients were diagnosed with primary gastric cancer at Chang Gung Memorial Hospital, Linkou Medical Center. Ten (0.22% of these patients were diagnosed with GHA. The clinicopathological characteristics of these patients were collected retrospectively. Results: The median age at diagnosis was 65.5 years, and six patients (60% were male. Seven patients had lymph node metastasis and five had distant metastasis, with the liver as the most common site (four cases. Serum alpha-fetoprotein (AFP levels were elevated in seven of eight patients (median: 359.2 ng/ml; range: 4.3-6535.6 ng/ml. Endoscopically, six tumors were classified as Borrmann's type III cancer with the appearance of fungating mass lesion with a purple, berry-like surface. Of the five patients without distant metastasis, all received curative-intent surgery and four received adjuvant chemotherapy. Four patients with distant metastasis received either palliative operation or chemotherapy, and one patient received neither operation nor chemotherapy due to a poor performance status. The median survival time was 7.2 months (range: 0.7-131.8 months, and the 5-year survival rate was 20%. There was survival benefit in the chemotherapy groups. Conclusions: GHA is a rare subtype of gastric cancer which is prone to lymph node and liver metastasis. Most GHAs appear as Borrmann's type III fungating mass lesion with a purple, berry-like surface. Although the prognosis of advanced stage GHA is poor, chemotherapy might provide some benefit.

  4. Tumor Necrosis Adds Prognostically Significant Information to Grade in Clear Cell Renal Cell Carcinoma: A Study of 842 Consecutive Cases From a Single Institution.

    Science.gov (United States)

    Khor, Li-Yan; Dhakal, Hari P; Jia, Xuefei; Reynolds, Jordan P; McKenney, Jesse K; Rini, Brian I; Magi-Galluzzi, Cristina; Przybycin, Christopher G

    2016-09-01

    Tumor necrosis has been shown to be an independent predictor of adverse outcome in renal cell carcinoma. A modification of the International Society of Urological Pathology (ISUP) grading system for renal cell carcinomas has recently been proposed, which incorporates the presence of tumor necrosis into grade. The investigators proposing this system found that necrosis added significant prognostic information to ISUP grade. We attempted to describe our experience with the effect of tumor necrosis in relationship to nuclear grade by reviewing the slides from a large consecutive series of localized clear cell renal cell carcinomas from our institution and obtaining long-term clinical follow-up information (overall survival). Of the 842 clear cell renal cell carcinomas reviewed, 265 (31.5%) were ISUP grade 1 or 2, 437 (51.9%) were ISUP grade 3, and 140 (16.6%) were ISUP grade 4. Tumor necrosis was present in 177 (21%) cases. Five hundred and forty-seven (64.9%) cases were stage pT1, 83 (9.9%) were stage pT2, 193 (22.9%) were stage pT3a, and 19 (2.3%) were pT3b or higher. Median follow-up was 73.2 months (range 0.12 to 273.6), and 310 (36.8%) patients died. On univariable analysis, there was no significant difference in outcome for tumors of ISUP grades 1 to 3. After adjustment for age, tumor stage, and tumor size, ISUP grade 4 and necrosis were significant predictors of overall survival on multivariable analysis. When the recently proposed modified grading system incorporating tumor necrosis was applied to our data, there was no significant difference in overall survival between patients with modified grade 1 tumors and those with modified grade 2 tumors (P=0.31); however, there was a statistically significant difference between patients with modified grade 1 or 2 tumors and those with modified grade 3 tumors (P=0.04),and a substantial difference in outcome between those with modified grade 3 and modified grade 4 tumors (PISUP grade could be further prognostically

  5. Medroxyprogesterone in Treating Patients With Endometrioid Adenocarcinoma of the Uterine Corpus

    Science.gov (United States)

    2016-03-17

    Endometrial Adenocarcinoma; Endometrial Adenosquamous Carcinoma; Endometrial Endometrioid Adenocarcinoma, Variant With Squamous Differentiation; Recurrent Uterine Corpus Carcinoma; Stage I Uterine Corpus Cancer; Stage II Uterine Corpus Cancer; Stage III Uterine Corpus Cancer; Stage IV Uterine Corpus Cancer

  6. Frequent alterations in cytoskeleton remodelling genes in primary and metastatic lung adenocarcinomas

    DEFF Research Database (Denmark)

    Wu, Kui; Zhang, Xin; Li, Fuqiang

    2015-01-01

    The landscape of genetic alterations in lung adenocarcinoma derived from Asian patients is largely uncharacterized. Here we present an integrated genomic and transcriptomic analysis of 335 primary lung adenocarcinomas and 35 corresponding lymph node metastases from Chinese patients. Altogether 13...

  7. IORT and external beam irradiation (EBI) in clinical stage I-II NSCLC patients with severely compromised pulmonary function: an 52-patient single-institutional experience

    Energy Technology Data Exchange (ETDEWEB)

    Jakse, G.; Kapp, K.S.; Geyer, E.; Oechs, A. [Dept. of Therapeutic Radiology and Oncology, Dept. of Surgery, Medical Univ. of Graz (Austria); Maier, A.; Gabor, S.; Juettner, F.M. [Div. of Thoracic and Hyperbaric Surgery, Medical Univ. of Graz (Austria)

    2007-12-15

    In limited stage NSCLC surgery offers the best chance for cure. However, patients who would not tolerate a radical surgical procedure such as lobectomy on the basis of severely compromised pulmonary function or cardio respiratory impairment are also poor candidates for radical external beam irradiation. These patients may benefit from alternative procedures that allow maximum sparing of adjacent lung tissue such as brachytherapy, stereotactic radiotherapy or IORT. There is clear evidence that loco-regional control in lung cancer is dose related, but neighboring normal tissues such as ipsilateral or collateral lung, heart, spinal cord are limiting factors for delivering doses necessary to eradicate the primary or loco-regional metastases. The rational of IORT, builds on the observation that only patients in whom local control has been achieved had a prolonged survival. IORT permits to selectively deliver high single doses to the tumor or the tumor bed with maximum sparing of adjacent normal tissue and has been applied with curative and palliative intent in a variety of tumors. Experience with IORT in lung cancer is still very limited. The current study evaluates the outcome of combined IORT and EBI in a highly selected cohort of patients with clinical stage I-II NSCLC who were fit to undergo thoracotomy and lymph node sampling but unable to undergo lobectomy or conventional high dose EBI due to severely compromised pulmonary function. (orig.)

  8. Mesonephric adenocarcinoma of the cervix: Case report and literature review

    Directory of Open Access Journals (Sweden)

    A. Dierickx

    2016-08-01

    Full Text Available A mesonephric adenocarcinoma of the cervix is a very rare tumor deriving from remnants of the mesonephric duct. Differential diagnosis from other cervical carcinomas is difficult and little is known regarding its biological behavior, prognosis, and the optimal management strategy. We present a case of a mesonephric adenocarcinoma of the cervix with a comprehensive review of the existing literature. In this case a 66-year-old woman presented with postmenopausal vaginal bleeding. She was diagnosed with a FIGO stage IIB mesonephric adenocarcinoma of the cervix and treated with neoadjuvant chemoradiotherapy and a Wertheim hysterectomy. The recovery from surgery was uneventful and the patient remains with no evidence of disease with 2 years of follow-up.

  9. Endometrial Adenocarcinoma and Mucocele of the Appendix: An Unusual Coexistence

    Directory of Open Access Journals (Sweden)

    Ioannis Kalogiannidis

    2013-01-01

    Full Text Available Appendiceal mucocele is a rare clinical entity, which is however quite often associated with mucinous ovarian tumor. The coexistence of mucinous cystadenoma of the appendix and endometrial adenocarcinoma has not been reported before. A 49-year-old woman presented to our clinic with postmenopausal bleeding and no other symptom. Endometrial biopsy revealed endometrial adenocarcinoma of endometrioid type (grade I. Preoperative CT scanning revealed an appendiceal mucocele, and a colonoscopy confirmed the diagnosis. The patient underwent total abdominal hysterectomy with bilateral salpingo-oophorectomy and appendectomy. The final histopathological examination showed a mucinous cystadenoma of the appendix and confirmed the diagnosis of endometrioid endometrial adenocarcinoma. The coexistence of appendiceal mucocele and female genital tract pathology is rare. However, gynecologists should keep a high level of suspicion for such possible coexistence. Both the diagnostic approach and the therapeutic management should be multidisciplinary, most importantly with the involvement of general surgeons.

  10. Primary adenocarcinoma of ureter: A rare histopathological variant

    Directory of Open Access Journals (Sweden)

    Prekshi Chaudhary

    2016-01-01

    Full Text Available Primary carcinoma of ureter is an uncommon malignancy. Of which, mostly are transitional cell carcinomas followed by squamous cell carcinomas and adenocarcinomas being the rarest histopathology encountered. We report a case of adenocarcinoma ureter in a middle-aged male along with its clinical scenario. A 62-year-old male, presented with complaints of lower urinary tract symptoms. Computerized tomography urogram showed a soft tissue lesion at the right ureterovesical junction. Cystoscopic biopsy reported villous adenoma. Diethylene triamine pentaacetic acid scan reported nonfunctioning right kidney. He underwent laparoscopic right nephroureterectomy, and histopathology reported adenocarcinoma of the right lower third of ureter, with positive distal and close radial margins. The patient received external beam radiation to the postoperative bed and lymph nodes, and he is disease-free till date.

  11. Current Standards and Novel Treatment Options for Metastatic Pancreatic Adenocarcinoma.

    Science.gov (United States)

    Weinberg, Benjamin A; Yabar, Cinthya S; Brody, Jonathan R; Pishvaian, Michael J

    2015-11-01

    Pancreatic cancer is one of the most lethal solid tumors. The prognosis of metastatic pancreatic adenocarcinoma remains dismal, with a median survival of less than 1 year, due in large part to the fact that pancreatic adenocarcinoma is notoriously refractory to chemotherapy. However, there recently have been significant improvements in outcomes for patients with pancreatic adenocarcinoma: ongoing trials have shown promise, and these may lead to still further progress. Here we review the current treatment paradigms for metastatic disease, focusing on ways to ameliorate symptoms and lengthen survival. We then summarize recent advances in our understanding of the molecular and cellular aspects of pancreatic cancer. Finally, we outline new approaches currently under development for the treatment of metastatic disease, arising from our improved understanding of the genetic and nongenetic alterations within pancreatic cancer cells-and of interactions between cancer cells, the tumor microenvironment, and the immune system.

  12. Adenocarcinoma involving the tongue and the epiglottis in a horse.

    Science.gov (United States)

    Laus, Fulvio; Rossi, Giacomo; Paggi, Emanuele; Bordicchia, Matteo; Fratini, Margherita; Tesei, Beniamino

    2014-03-01

    Tumors involving the oral cavity of the horse are uncommon. No cases of equine adenocarcinoma on the dorsum of the tongue have been reported in the literature. We report a case of adenocarcinoma located on the dorsum of the posterior one-third of the tongue in a 29-year-old gelding with severe dysphagia. Endoscopy revealed an epiglottis involvement, and histology was consistent with adenocarcinoma arising from minor salivary glands, which was associated with a severe fungal colonization of affected tissues. The goals of this report are to present an uncommon case of dorsum of the tongue-associated neoplasia and to highlight the association with atypical fungal colonization, to review the literature and to discuss possible clinical approach and prognosis.

  13. Mitochondrial genome instability in colorectal adenoma and adenocarcinoma.

    Science.gov (United States)

    de Araujo, Luiza F; Fonseca, Aline S; Muys, Bruna R; Plaça, Jessica R; Bueno, Rafaela B L; Lorenzi, Julio C C; Santos, Anemari R D; Molfetta, Greice A; Zanette, Dalila L; Souza, Jorge E S; Valente, Valeria; Silva, Wilson A

    2015-11-01

    Mitochondrial dysfunction is regarded as a hallmark of cancer progression. In the current study, we evaluated mitochondrial genome instability and copy number in colorectal cancer using Next Generation Sequencing approach and qPCR, respectively. The results revealed higher levels of heteroplasmy and depletion of the relative mtDNA copy number in colorectal adenocarcinoma. Adenocarcinoma samples also presented an increased number of mutations in nuclear genes encoding proteins which functions are related with mitochondria fusion, fission and localization. Moreover, we found a set of mitochondrial and nuclear genes, which cooperate in the same mitochondrial function simultaneously mutated in adenocarcinoma. In summary, these results support an important role for mitochondrial function and genomic instability in colorectal tumorigenesis.

  14. Gastric signet-ring adenocarcinoma presenting with breast metastasis

    Institute of Scientific and Technical Information of China (English)

    Anastasios L Boutis; Charalambos Andreadis; Frideriki Patakiouta; Despina Mouratidou

    2006-01-01

    Breast metastases from gastric cancer are extremely rare. A case report of a 37-year-old female with breast inflammatory invasion and ascites is described. Breast biopsy revealed carcinomatous invasion of the lymphatics from adenocarcinoma cells with signet-ring features.Estrogen (ER) and progesterone receptors (PR) and c-erb-B2 were negative. Upper gastrointestinal endoscopy revealed a prepyloric ulcerative mass. Histopathologic examination of the lesion showed infiltration from a highgrade adenocarcinoma, identical with that of the breast.Immunostaining was positive for cytokeratins CK-7 and CK-20 and CEA and negative for ER and PR. Ascitic fluid cytology was positive for adenocarcinoma cells. Mammography was not diagnostic. Abdominal CT scanning revealed large ovarian masses suggestive of metastases (Krukenberg's tumor). A cisplatin-based regimen was given but no objective response was observed. The patient died six months after initial diagnosis. A review of the literature is performed.

  15. Duodenal adenocarcinoma: Advances in diagnosis and surgical management

    Institute of Scientific and Technical Information of China (English)

    Jordan M Cloyd; Elizabeth George; Brendan C Visser

    2016-01-01

    Duodenal adenocarcinoma is a rare but aggressive malignancy. Given its rarity, previous studies have traditionally combined duodenal adenocarcinoma(DA) with either other periampullary cancers or small bowel adenocarcinomas, limiting the available data to guide treatment decisions. Nevertheless, management primarily involves complete surgical resection when technically feasible. Surgery may require pancreaticoduodenectomy or segmental duodenal resection; either are acceptable options as long as negative margins are achievable and an adequate lymphadenectomy can be performed. Adjuvant chemotherapy and radiation are important components of multi-modality treatment for patients at high risk of recurrence. Further research would benefit from multiinstitutional trials that do not combine DA with other periampullary or small bowel malignancies. The purpose of this article is to perform a comprehensive review of DA with special focus on the surgical management and principles.

  16. Absorption spectra of adenocarcinoma and squamous cell carcinoma cervical tissues

    Science.gov (United States)

    Ivashko, Pavlo; Peresunko, Olexander; Zelinska, Natalia; Alonova, Marina

    2014-08-01

    We studied a methods of assessment of a connective tissue of cervix in terms of specific volume of fibrous component and an optical density of staining of connective tissue fibers in the stroma of squamous cancer and cervix adenocarcinoma. An absorption spectra of blood plasma of the patients suffering from squamous cancer and cervix adenocarcinoma both before the surgery and in postsurgical periods were obtained. Linear dichroism measurements transmittance in polarized light at different orientations of the polarization plane relative to the direction of the dominant orientation in the structure of the sample of biotissues of stroma of squamous cancer and cervix adenocarcinoma were carried. Results of the investigation of the tumor tissues showed that the magnitude of the linear dichroism Δ is insignificant in the researched spectral range λ=280-840 nm and specific regularities in its change observed short-wave ranges.

  17. Gastric adenocarcinoma of fundic gland type: Endoscopicand clinicopathological features

    Institute of Scientific and Technical Information of China (English)

    2016-01-01

    Gastric adenocarcinoma of fundic gland type (GA-FG)with chief cell differentiation was recently proposed asan extremely rare type of gastric adenocarcinoma. Here,we report 4 cases of GA-FG with chief cell differentiation.Endoscopic features included a submucosal tumor shapeor a flat shape, whitish discolorationand dilated vesselson the surface. The tumors were located in the upper ormiddle third of the stomach. All cases were preoperativelydiagnosed as GA-FG by biopsy, and endoscopic submucosaldissection was performed. Resected specimensrevealed well-differentiated adenocarcinomas resemblingchief cells. Tumor cells were diffusely positive for pepsinogen-Ⅰ,but partially positive for H+/K+-ATPase inscattered locations around the tumor margin. Despitethe presence of minimal invasion of the carcinoma intothe submucosal layer, which was observed in two cases,neither lymphatic nor venous invasion was detected inany of the cases. Finally, all cases showed less aggressiveclinical behavior with low grade malignancy.

  18. Adenocarcinoma in an ano-vaginal fistula in Crohn's disease

    Science.gov (United States)

    Alfa-Wali, Maryam; Atinga, Angela; Mohsen, Yasser; Anthony, Andrew; Myers, Alistair

    2013-01-01

    INTRODUCTION Fistulas are a relatively common occurrence in Crohn's disease (CD), and often present early in the disease process. Additionally, patients suffering from either CD or ulcerative colitis are shown to have an increased risk of colorectal malignancies compared with the general population. PRESENTATION OF CASE We present a case of adenocarcinoma in an ano-vaginal fistula in a patient with longstanding CD. DISCUSSION Various pathogenic mechanisms for the development of carcinoma in fistulas have been suggested, but there is no consensus and indeed this risk may be cumulative. In this case report, we also discuss the pathogenesis of mucinous adenocarcinoma in fistulas secondary to CD. CONCLUSION Better detection of adenocarcinoma in patients presenting with persistent non-resolving fistulas in the presence of CD should be undertaken with regular biopsies following examinations under anaesthetic of the anorectum. PMID:23702362

  19. Pancreatic adenocarcinoma in type 2 progressive familial intrahepatic cholestasis

    Directory of Open Access Journals (Sweden)

    Green Richard M

    2010-03-01

    Full Text Available Abstract Background BSEP disease results from mutations in ABCB11, which encodes the bile salt export pump (BSEP. BSEP disease is associated with an increased risk of hepatobiliary cancer. Case Presentation A 36 year old woman with BSEP disease developed pancreatic adenocarcinoma at age 36. She had been treated with a biliary diversion at age 18. A 1.7 × 1.3 cm mass was detected in the pancreas on abdominal CT scan. A 2 cm mass lesion was found at the neck and proximal body of the pancreas. Pathology demonstrated a grade 2-3 adenocarcinoma with invasion into the peripancreatic fat. Conclusions Clinicians should be aware of the possibility of pancreatic adenocarcinoma in patients with BSEP disease.

  20. Is there a need for surgical staging of uterine endometrioid adenocarcinomas grade 1 and 2?

    DEFF Research Database (Denmark)

    Jochumsen, K.; Christiansen, K.; Schledermann, D.

    2015-01-01

    Background and aims: Our institution has followed the Danish Guidelines for treatment of uterine carcinomas including staging lymphadenectomy in the pelvis for endometrioid adenocarcinomas (EA) grade 1 and 2 with deep myometrial invasion (>50%) or cervical involvement. We wanted to find out how...... IIIC. In 32/39% lymphadenectomy was omitted due to old age and/or comorbidity. In grade 1, stage IIIC, 6 of the 8 patients had cervical involvement (+/- deep myometrial invasion) and only 2 had deep invasion without cervical involvement. For grade 2 the numbers are: total 246, 53 stage IB, 33 stage II...... and 9 stage IIIC. 39 (74%) stage IB and 19 (58%) stage II were staged. Of the 9 stage IIIC 5 had cervical involvement and deep myometrial invasion. 4 had only deep invasion. Conclusion: Staging of stage II, grade 1 and 2 EA seems reasonable, while it could be omitted in stage IB....

  1. The different morphologies of urachal adenocarcinoma do not discriminate genomically by micro-RNA expression profiling.

    Science.gov (United States)

    Bissonnette, Mei Lin Z; Kocherginsky, Masha; Tretiakova, Maria; Jimenez, Rafael E; Barkan, Güliz A; Mehta, Vikas; Sirintrapun, Sahussapont Joseph; Steinberg, Gary D; White, Kevin P; Stricker, Thomas; Paner, Gladell P

    2013-08-01

    Urachal adenocarcinoma has several morphologic presentations that include mucinous, enteric, signet ring cell, and not otherwise specified. Mixtures of these morphologies can occur, and percentage cut-offs are used for classification. The clinical significance of these morphologic types is currently unknown, and genetic analysis that could elucidate possible intertumoral differences has not been performed. In this study, we analyzed the micro-RNA expression profiles of 12 urachal adenocarcinomas classified using strict morphologic criteria (3 pure enteric, 3 pure mucinous, 2 signet ring cell [both 90% signet ring cell], 2 pure not otherwise specified, and 2 mixed cell types). Of 598 unique human micro-RNAs, 333 were expressed in more than 50% of the samples. Hierarchal clustering showed no distinct patterns in the genetic profiles of the morphologic types. However, there were individual micro-RNA differences when the different types were compared individually or grouped together, either by intracellular mucin production or by grouping enteric and signet ring cell together. In the later group, 13 messenger RNA species were differentially expressed (adjusted P value of ≤.05). However, these micro-RNA differences were small, suggesting more biologic similarity than differences among these entities. Thus, this study suggests that the different morphological subtypes may represent patterns of differentiation or a continuum of a single biological tumor type rather than several distinct types that arose from the urachal remnant epithelium. This finding, if further validated in larger studies, may have implications in future clinical therapeutic trials for urachal adenocarcinoma with regard to patient grouping and choice of therapy.

  2. European Institutions?

    NARCIS (Netherlands)

    Meacham, Darian

    2016-01-01

    The aim of this article is to sketch a phenomenological theory of political institutions and to apply it to some objections and questions raised by Pierre Manent about the project of the European Union and more specifically the question of “European Construction”, i.e. what is the aim of the Europea

  3. Institutional Paralysis

    Science.gov (United States)

    Yarmolinsky, Adam

    1975-01-01

    Institutional paralysis of higher education is the result of the disjunction between faculty and administration; the disjunction between substantive planning and bugetary decision-making; the disjunction between departmental structures and functional areas of university concern; and the disjunction between the theory of direct democracy and its…

  4. Institution Morphisms

    Science.gov (United States)

    Goguen, Joseph; Rosu, Grigore; Norvig, Peter (Technical Monitor)

    2001-01-01

    Institutions formalize the intuitive notion of logical system, including both syntax and semantics. A surprising number of different notions of morphisim have been suggested for forming categories with institutions as objects, and a surprising variety of names have been proposed for them. One goal of this paper is to suggest a terminology that is both uniform and informative to replace the current rather chaotic nomenclature. Another goal is to investigate the properties and interrelations of these notions. Following brief expositions of indexed categories, twisted relations, and Kan extensions, we demonstrate and then exploit the duality between institution morphisms in the original sense of Goguen and Burstall, and the 'plain maps' of Meseguer, obtaining simple uniform proofs of completeness and cocompleteness for both resulting categories; because of this duality, we prefer the name 'comorphism' over 'plain map.' We next consider 'theoroidal' morphisms and comorphisims, which generalize signatures to theories, finding that the 'maps' of Meseguer are theoroidal comorphisms, while theoroidal morphisms are a new concept. We then introduce 'forward' and 'semi-natural' morphisms, and appendices discuss institutions for hidden algebra, universal algebra, partial equational logic, and a variant of order sorted algebra supporting partiality.

  5. Long-term follow-up of pediatric moyamoya disease treated by combined direct-indirect revascularization surgery: single institute experience with surgical and perioperative management.

    Science.gov (United States)

    Rashad, Sherif; Fujimura, Miki; Niizuma, Kuniyasu; Endo, Hidenori; Tominaga, Teiji

    2016-10-01

    Moyamoya disease (MMD) is a rare occlusive cerebrovascular disease that mainly presents in children as cerebral ischemia. Prompt treatment with either a direct or indirect revascularization procedure is necessary for children with MMD in order to prevent repeated ischemic events. We herein present our experience with combined direct and indirect bypass surgery for the treatment of pediatric MMD as well as our uniquely designed perioperative protocol. Twenty-three patients with MMD, aged between 2 and 16 years old (mean 9.36), underwent 38 combined bypass procedures between 2008 and 2015. All patients underwent single superficial temporal artery-middle cerebral artery (STA-MCA) anastomosis combined with encephalo-duro-myo-synangiosis (EDMS). The perioperative management protocol was stratified into two unique eras: the first era with normotensive care and the second era with strict blood pressure control (systolic 100-130 mmHg) and routine aspirin administration. Patients were followed after surgery for a period ranging between 3 and 131 months (mean 77 months) in yearly clinical and radiological follow-ups. Three postoperative complications were observed: two cases of cerebral hyperperfusion (2/38, 5.3 %) and one case of perioperative minor stroke (1/38, 2.6 %), two of which were in the first era. No strokes, either ischemic or hemorrhagic, were observed in the follow-up period, and the activity of daily living as shown by the modified Rankin Scale improved in 20 patients, with no deterioration being observed in any of our patients. STA-MCA bypass with EDMS is safe and effective for the management of pediatric MMD and provides long-term favorable outcomes. Perioperative care with blood pressure control combined with the administration of aspirin may reduce the potential risk of surgical complications.

  6. Tratamento paliativo do adenocarcinoma gástrico Palliative treatment of gastric adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Fernando de Oliveira Souza

    2011-03-01

    Full Text Available INTRODUÇÃO: Embora decrescendo nos países do chamado primeiro mundo, o adenocarcinoma gástrico mantém-se como terceiro tumor mais frequente no sexo masculino mundialmente. Sua mortalidade é muito elevada, fruto do diagnóstico tardio em lesões muito avançadas, o que frequentemente torna paliativo seu tratamento, motivos pelos quais se justificam estudos no sentido de melhorar estes resultados. MÉTODO: Revisão da literatura através do portal de periódicos da CAPES indicados por busca no sites da Bireme e PubMed. Além disso, foram consultados os sumários do 8º Congresso Internacional de Câncer Gástrico em 2009. Foi apresentada uma sugestão de algoritmo de atendimento destes pacientes. CONCLUSÕES: O surgimento de novas drogas anticancer, mais efetivas, está propiciando novas alternativas para a ressecção gástrica como tratamento paliativo. Novos protocolos estão surgindo mostrando boas perspectivas para melhorar os resultados desta doença.INTRODUCTION: Although decreasing in the well developed countries, gastric adenocarcinoma still represents the third most common cancer in males worldwide. Its mortality is very high because of the lateness of its diagnosis over advanced lesions, which turns palliative its treatment in the majority of the cases. METHOD: Literature review using CAPES, PubMed and Bireme sites as well as the abstracts of the 8 º International Gastric Cancer Congress which was held in Krakow in 2009. CONCLUSIONS: The release of new anticancer drugs against gastric cancer is providing a revival of gastrectomy as an effective palliative treatment of advanced gastric cancer. New protocols are being published, showing better results in the treatment of this disease.

  7. The prevalence of human papillomavirus in colorectal adenomas and adenocarcinomas

    DEFF Research Database (Denmark)

    Baandrup, Louise; Thomsen, Louise T; Olesen, Tina Bech;

    2014-01-01

    The role of human papillomavirus (HPV) in colorectal cancer has been widely studied with conflicting results. We performed a systematic review and a meta-analysis to estimate the prevalence of HPV in colorectal adenocarcinomas and adenomas, and test the potential association.......The role of human papillomavirus (HPV) in colorectal cancer has been widely studied with conflicting results. We performed a systematic review and a meta-analysis to estimate the prevalence of HPV in colorectal adenocarcinomas and adenomas, and test the potential association....

  8. Metastatic Ampullary Adenocarcinoma Presenting as a Hydrocele: A Case Report

    Directory of Open Access Journals (Sweden)

    Whitney O Lane

    2014-05-01

    Full Text Available Context Metastases from ampullary malignancies are common, but spread to the testicle and paratesticular tissue is exceedingly rare with only 2 reported cases in the literature. Case Report We report a case of a 70 year-old male with a history of ampullary adenocarcinoma status post pancreaticoduodenectomy who presented with a symptomatic right-sided hydrocele. Subsequent pathology revealed metastatic ampullary adenocarcinoma. Conclusions Metastasis to the testicle and paratesticular tissue from ampullary malignancies is rare, but must be considered in the evaluation of scrotal masses in patients with a history of ampullary malignancy.

  9. Primary pulmonary adenocarcinoma in a 16-year-old boy

    DEFF Research Database (Denmark)

    Måreng, Ane Stillits; Langer, Seppo W; Bodtger, Uffe

    2016-01-01

    Primary pulmonary adenocarcinoma in children or adolescents is a rare disease, and as such, there are no randomised studies on lung cancer for this age group. Treatment choice is extrapolated from studies in adults (mean age of participants: 60 years). We present the 5-year follow-up of a 16-year......-old boy who presented with metastatic primary pulmonary adenocarcinoma (T3N3M1a) and was treated aggressively, including radiation therapy for local and distant recurrence. He had complete remission, had completed his education, was employed full-time, and suffered only from mild side effects to treatment....

  10. Neurinoma del plexo braquial simulando metastasis de adenocarcinoma de mama

    OpenAIRE

    Gregorio Rodríguez Boto; Angela Moreno-Gutiérrez; Raquel Gutiérrez-González; Ángel Villar-Martín; Luis A. Arraez-Aybar; Javier Serrano Hernando

    2011-01-01

    Los neurinomas del plexo braquial son tumores infrecuentes que pueden confundirse con otras lesiones de índole tumoral. Se presenta el caso de una mujer de 40 años, tratada previamente de un adenocarcinoma de mama derecha en el pasado, que en el estudio de extensión realizado 5 años después se detectó una lesión localizada en el plexo braquial derecho. La paciente se encontraba asintomática. El diagnóstico radiológico de presunción fue metástasis de adenocarcinoma mamario. Se realizó un abord...

  11. Isolated axillary lymph node metastasis in oesophageal adenocarcinoma.

    Science.gov (United States)

    Toh, Vi Vien; Shirley, Rebecca; Duffy, John; Starley, Ian Francis

    2015-03-01

    Oesophageal adenocarcinoma metastatic to the axilla is a rare occurrence. The authors present a case of a woman who developed an axillary metastasis from a completely excised oesophageal adenocarcinoma with no prior evidence of nodal disease. With aggressive local treatment, including multiple local operations and radiotherapy, she remains alive and disease-free 12 years after her diagnosis following surgical resection of her axillary metastasis with adjuvant radiotherapy. This case report suggests that there are occasions when aggressive local treatment of apparently isolated metastases can result in a cure.

  12. File list: His.Lng.05.AllAg.Lung_adenocarcinoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

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    Full Text Available NoD.Lng.20.AllAg.Lung_adenocarcinoma mm9 No description Lung Lung adenocarcinoma ht...tp://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/NoD.Lng.20.AllAg.Lung_adenocarcinoma.bed ...

  14. File list: Oth.Lng.10.AllAg.Lung_adenocarcinoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available Oth.Lng.10.AllAg.Lung_adenocarcinoma mm9 TFs and others Lung Lung adenocarcinoma SR...X213835,SRX213840,SRX213836,SRX213839,SRX213843,SRX213844 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/Oth.Lng.10.AllAg.Lung_adenocarcinoma.bed ...

  15. File list: Oth.Lng.20.AllAg.Lung_adenocarcinoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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  1. File list: Oth.Lng.50.AllAg.Lung_adenocarcinoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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  5. File list: NoD.Lng.50.AllAg.Lung_adenocarcinoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  6. File list: His.Lng.10.AllAg.Lung_adenocarcinoma [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  7. Pineal metastasis as first clinical manifestation of colorectal adenocarcinoma: case report Metástase pineal como primeira manifestação clinica de adenocarcinoma colorretal: relato de caso

    Directory of Open Access Journals (Sweden)

    RICARDO RAMINA

    1999-03-01

    Full Text Available Cerebral metastases from colorectal adenocarcinomas occur in 8% of the cases. Diagnosis is usually made when primary disease and widespread metastases are already known. We report the case of a patient with single metastases in the pineal region as the first clinical manifestation of a colorectal adenocarcinoma. A 48-year-old female with Parinaud's syndrome for 15 days prior her admission was evaluated in our clinic. She had no symptoms or signs of colorectal disease. MRI examination revealed an heterogeneous lesion with peritumoral gadolinium enhancement, located in the pineal region. The tumor was radically resected through an infratentorial/supracerebellar approach. Histology showed metastatic carcinoma and immunohistochemical examination showed gastrointestinal tract adenocarcinoma. Metastases to the pineal region are extremely rare and should be considered in the differential diagnosis of tumors of this region.Metástases cerebrais derivadas de adenocarcinomas colorretais ocorrem em 8% dos casos. Geralmente a doença primária e as metástases em outros órgãos já são conhecidas quando do momento das manifestações neurológicas. Descrevemos um caso de metástase única na região pineal que promoveu a primeira manifestação clínica de adenocarcinoma colorretal. Uma mulher de 48 anos de idade apresentava há quinze dias de sua admissão ao nosso serviço diplopia e síndrome de Parinaud . O exame de ressonância magnética revelou lesão heterogênea localizada na região pineal. O tumor foi completamente retirado por acesso infratentorial/supracerebelar. O exame histológico revelou tumor metastático indiferenciado e o exame imuno-histoquímico demostrou adenocarcinoma do trato gastrointestinal moderadamente diferenciado. Metástases para a região pineal são extremamente raras e devem ser consideradas no diagnóstico diferencial de tumores nesta região.

  8. Circumferential decompression via the posterior approach for the surgical treatment of multilevel thoracic ossification of the posterior longitudinal ligaments: a single institution comparative study

    Institute of Scientific and Technical Information of China (English)

    Liu Xiao; Zhu Bin; Liu Xiaoguang; Liu Zhongjun; Dang Gengting

    2014-01-01

    Background The treatment strategies for multilevel thoracic ossification of the posterior longitudinal ligaments (T-OPLL) were rarely reported.The aim of this study was to investigate the clinical outcomes and complications of circumferential decompression for multilevel T-OPLL and compare two different methods in the management of the OPLL (resection or floating).Methods Data of sequentially treated patients who received surgical treatment for thoracic spinal stenosis caused by multilevel T-OPLL from January 2005 to February 2012 were retrospectively reviewed.Based on the surgical approaches applied,the patients were divided into two groups.Group A consisted the patients who received posterior decompression and group B consisted the patients who received circumferential decompression via the posterior approach.Group B was further divided into two subgroups:subgroup 1 (the resection group) where the OPLL was completely resected and subgroup 2 (the floating group) where the OPLL was floated.Results A total of 49 patients were included in the study.Fourteen patients with single posterior decompression were included in group A and 35 patients who received circumferential decompression were included in group B.In group B,29 patients had complete resection of the ossified posterior longitudinal ligaments,while the other six underwent a flotation procedure.The follow-up data were available in 39 patients.Mean JOA scores improved from 5.4 ± 1.8 to 7.5 ± 2.8 in group A and from 3.7 ± 1.8 to 7.9 ± 2.4 in group B.The main complications included cerebrospinal fluid (CSF) leakage and postoperative neurologic deterioration (ND).Twenty-three of the 25 cases with postoperative CSF leakage achieved a complete recovery at the last follow-up and 12 of the 15 cases with ND achieved some neurological improvement at the last follow-up.Conclusions Circumferential decompression via the posterior approach is an effective surgical method for thoracic spinal stenosis caused by

  9. Prognostic significance of erythropoietin in pancreatic adenocarcinoma.

    Directory of Open Access Journals (Sweden)

    Thilo Welsch

    Full Text Available BACKGROUND: Erythropoietin (Epo administration has been reported to have tumor-promoting effects in anemic cancer patients. We investigated the prognostic impact of endogenous Epo in patients with pancreatic ductal adenocarcinoma (PDAC. METHODOLOGY: The clinico-pathological relevance of hemoglobin (Hb, n = 150, serum Epo (sEpo, n = 87 and tissue expression of Epo/Epo receptor (EpoR, n = 104 was analyzed in patients with PDAC. Epo/EpoR expression, signaling, growth, invasion and chemoresistance were studied in Epo-exposed PDAC cell lines. RESULTS: Compared to donors, median preoperative Hb levels were reduced by 15% in both chronic pancreatitis (CP, p<0.05 and PDAC (p<0.001, reaching anemic grade in one third of patients. While inversely correlating to Hb (r = -0.46, 95% of sEPO values lay within the normal range. The individual levels of compensation were adequate in CP (observed to predicted ratio, O/P = 0.99 but not in PDAC (O/P = 0.85. Strikingly, lower sEPO values yielding inadequate Epo responses were prominent in non-metastatic M0-patients, whereas these parameters were restored in metastatic M1-group (8 vs. 13 mU/mL; O/P = 0.82 vs. 0.96; p<0.01--although Hb levels and the prevalence of anemia were comparable. Higher sEpo values (upper quartile ≥ 16 mU/ml were not significantly different in M0 (20% and M1 (30% groups, but were an independent prognostic factor for shorter survival (HR 2.20, 10 vs. 17 months, p<0.05. The pattern of Epo expression in pancreas and liver suggested ectopic release of Epo by capillaries/vasa vasorum and hepatocytes, regulated by but not emanating from tumor cells. Epo could initiate PI3K/Akt signaling via EpoR in PDAC cells but failed to alter their functions, probably due to co-expression of the soluble EpoR isoform, known to antagonize Epo. CONCLUSION/SIGNIFICANCE: Higher sEPO levels counteract anemia but worsen outcome in PDAC patients. Further trials are required to clarify how overcoming a sEPO threshold

  10. Effects of NVP-BEZ235 on the proliferation, migration, apoptosis and autophagy in HT-29 human colorectal adenocarcinoma cells.

    Science.gov (United States)

    Yu, Yang; Yu, Xiaofeng; Ma, Jianxia; Tong, Yili; Yao, Jianfeng

    2016-07-01

    The phosphoinositide 3 kinase (PI3K)/Akt/mammalian target of the rapamycin (mTOR) pathway plays a significant role in colorectal adenocarcinoma. NVP-BEZ235 (dactolisib) is a novel dual inhibitor of PI3K/mTOR. The effects of NVP-BEZ235 in human colorectal adenocarcinoma are still unclear. In the present study, we aimed to explore the proliferation, migration, apoptosis and autophagy in HT-29 human colorectal adenocarcinoma cells. HT-29 human colorectal adenocarcinoma cells were treated with NVP-BEZ235 (0, 0.001, 0.01, 0.1, 1 and 3 µM) for 24 and 48 h, respectively. Cells were also treated with NVP-BEZ235 (0.1 µM), DDP (100, 300 and 1,000 µM), and NVP-BEZ235 (0.1 µM) combined with DDP (100, 300 and 1,000 µM) respectively, and cultured for 24 h after treatment. MTT assay was utilized to evaluate the effects of NVP-BEZ235 alone or NVP-BEZ235 combined with cis-diamminedichloroplatinum (DDP) on proliferation of HT-29 cells. Cell wound-scratch assay was used detect cell migration. In addition, expression of microtubule-associated proteins 1A/1B light chain 3B (MAP1LC3B and LC3B) in HT-29 cells was detected by immunofluorescence at 48 h after NVP-BEZ235 (1 µM) treatment. Expression of proteins involved in cell cycle and proliferation (p-Akt, p-mTOR and cyclin D1), apoptosis (cleaved caspase-3), and autophagy (cleaved LC3B and Beclin-1) were detected by western blot analysis. NVP-BEZ235 inhibited the proliferation and migration of HT-29 human colorectal adenocarcinoma cells. NVP-BEZ235 decreased protein expression of p-Akt, p-mTOR and cyclin D1, and increased protein expression of cleaved caspase-3, cleaved LC3B and Beclin-1 as the concentrations and the incubation time of NVP-BEZ235 increased. In addition, NVP-BEZ235 and DDP had synergic effects in inhibiting cell proliferation and migration. The expression of protein involved in apoptosis (cleaved caspase-3) was higher in drug combination group compared to the NVP-BEZ235 single treatment group. NVP-BEZ235

  11. Measuring Abdominal Circumference and Skeletal Muscle From a Single Cross-Sectional Computed Tomography Image: A Step-by-Step Guide for Clinicians Using National Institutes of Health ImageJ.

    Science.gov (United States)

    Gomez-Perez, Sandra L; Haus, Jacob M; Sheean, Patricia; Patel, Bimal; Mar, Winnie; Chaudhry, Vivek; McKeever, Liam; Braunschweig, Carol

    2016-03-01

    Diagnostic computed tomography (CT) scans provide numerous opportunities for body composition analysis, including quantification of abdominal circumference, abdominal adipose tissues (subcutaneous, visceral, and intermuscular), and skeletal muscle (SM). CT scans are commonly performed for diagnostic purposes in clinical settings, and methods for estimating abdominal circumference and whole-body SM mass from them have been reported. A supine abdominal circumference is a valid measure of waist circumference (WC). The valid correlation between a single cross-sectional CT image (slice) at third lumbar (L3) for abdominal SM and whole-body SM is also well established. Sarcopenia refers to the age-associated decreased in muscle mass and function. A single dimensional definition of sarcopenia using CT images that includes only assessment of low whole-body SM has been validated in clinical populations and significantly associated with negative outcomes. However, despite the availability and precision of SM data from CT scans and the relationship between these measurements and clinical outcomes, they have not become a routine component of clinical nutrition assessment. Lack of time, training, and expense are potential barriers that prevent clinicians from fully embracing this technique. This tutorial presents a systematic, step-by-step guide to quickly quantify abdominal circumference as a proxy for WC and SM using a cross-sectional CT image from a regional diagnostic CT scan for clinical identification of sarcopenia. Multiple software options are available, but this tutorial uses ImageJ, a free public-domain software developed by the National Institutes of Health.

  12. Collision tumor of kidney: A case of renal cell carcinoma with metastases of prostatic adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Monika Vyas

    2013-01-01

    Full Text Available Simultaneous occurrence of prostatic adenocarcinoma and renal cell carcinoma is well documented in the literature. However, metastatic prostatic adenocarcinoma in a kidney harboring a renal cell carcinoma (RCC is quite rare. Although renal cell carcinoma is the most common tumor that can harbor metastasis, metastatic prostatic adenocarcinoma in a kidney harboring a RCC is quite rare. There are four cases in the literature showing metastasis of prostatic adenocarcinoma to RCC. However, as per our knowledge, this is the first case of a collision between RCC and metastatic prostatic adenocarcinoma.

  13. Do adenocarcinomas of the prostate with Gleason score (GS) ≤6 have the potential to metastasize to lymph nodes?

    Science.gov (United States)

    Ross, Hillary M; Kryvenko, Oleksandr N; Cowan, Janet E; Simko, Jeffry P; Wheeler, Thomas M; Epstein, Jonathan I

    2012-09-01

    Although rare, there are cases within reported series of men with Gleason score (GS) ≤6 on radical prostatectomies that show pelvic lymph node (LN) metastases. However, there are no studies on whether pelvic LN metastases occur in tumors with GS ≤6 using the International Society of Urological Pathology (ISUP) updated GS system. We performed a search of the radical prostatectomy databases at 4 large academic centers for cases of GS ≤6. Only prostatectomies submitted and embedded in entirety with pelvic LN dissections were included. A combined total of 14,123 cases were identified, of which 22 cases had a positive LN. Histopathologic review of 19 cases (3 cases unavailable for review) showed higher grade than originally reported by the pathologists in all cases. Of the 17 pre-ISUP reviewed cases, 2 were upgraded to 4+3=7 with both cribriform and poorly formed glands. One case was upgraded to 4+3=7 with tertiary pattern 5 displaying cribriform glands, poorly formed glands, and cords of single cells. Eleven cases were upgraded to 3+4=7 with glomeruloid structures and small to large cribriform glands (1 of these also had features of ductal adenocarcinoma). Two cases had tertiary pattern 4 with small cribriform glands. One case had a prominent colloid component that would currently be graded as 4+5=9 because of large cribriform glands and solid sheets of cells within the mucin. Of the 2 post-ISUP cases, 1 demonstrated tertiary pattern 4, and the other showed GS 3+4=7 with irregular cribriform glands. Undergrading is the primary reason for LN positivity with GS ≤6, which has decreased significantly since the adoption of the ISUP grading system in 2005. Of over 14,000 totally embedded radical prostatectomies from multiple institutions, there was not a single case of a GS ≤6 tumor with LN metastases. In contrast to prevailing assumptions, GS ≤6 tumors do not appear to metastasize to LNs. Rather, Gleason pattern 4 or 5, as better defined by the current ISUP

  14. Institute for International Public Policy Program

    Science.gov (United States)

    Office of Postsecondary Education, US Department of Education, 2012

    2012-01-01

    The Institute for International Public Policy program provides a single grant to assist a consortia of institutions of higher education in establishing an institute designed to increase the representation of minorities in international service, including private international voluntary organizations and the Foreign Service of the United States. A…

  15. Adenocarcinoma ex-goblet cell carcinoid (appendiceal-type crypt cell adenocarcinoma) is a morphologically distinct entity with highly aggressive behavior and frequent association with peritoneal/intra-abdominal dissemination: an analysis of 77 cases.

    Science.gov (United States)

    Reid, Michelle D; Basturk, Olca; Shaib, Walid L; Xue, Yue; Balci, Serdar; Choi, Hye-Jeong; Akkas, Gizem; Memis, Bahar; Robinson, Brian S; El-Rayes, Bassel F; Staley, Charles A; Staley, Christopher A; Winer, Joshua H; Russell, Maria C; Knight, Jessica H; Goodman, Michael; Krasinskas, Alyssa M; Adsay, Volkan

    2016-10-01

    High-grade versions of appendiceal goblet cell carcinoids ('adenocarcinoma ex-goblet cell carcinoids') are poorly characterized. We herein document 77 examples. Tumors occurred predominantly in females (74%), mean age 55 years (29-84), most with disseminated abdominal (77% peritoneal, 58% gynecologic tract involvement) and stage IV (65%) disease. Many presented to gynecologic oncologists, and nine had a working diagnosis of ovarian carcinoma. Metastases to liver (n=3) and lung (n=1) were uncommon and none arose in adenomatous lesions. Tumors had various histologic patterns, in variable combinations, most of which were fairly specific, making them recognizable as appendiceal in origin, even at metastatic sites: I: Ordinary goblet cell carcinoid/crypt pattern (rounded, non-luminal acini with well-oriented goblet cells), in variable amounts in all cases. II: Poorly cohesive goblet cell pattern (diffusely infiltrative cords/single files of signet ring-like/goblet cells). III: Poorly cohesive non-mucinous cell (diffuse-infiltrative growth of non-mucinous cells). IV: Microglandular (rosette-like glandular) pattern without goblet cells. V: Mixed 'other' carcinoma foci (including ordinary intestinal/mucinous). VI: goblet cell carcinoid pattern with high-grade morphology (marked nuclear atypia). VII: Solid sheet-like pattern punctuated by goblet cells/microglandular units. Ordinary nested/trabecular ('carcinoid pattern') was very uncommon. In total, 33(52%) died of disease, with median overall survival 38 months and 5-year survival 32%. On multivariate analysis perineural invasion and younger age (tumor progression. In conclusion, 'adenocarcinoma ex-goblet cell carcinoid' is an appendix-specific, high-grade malignant neoplasm with distinctive morphology that is recognizable at metastatic sites and recapitulates crypt cells (appendiceal crypt cell adenocarcinoma). Unlike intestinal-type adenocarcinoma, it occurs predominantly in women, is disguised as gynecologic malignancy

  16. Extreme-Risk Prostate Adenocarcinoma Presenting With Prostate-Specific Antigen (PSA) >40 ng/ml: Prognostic Significance of the Preradiation PSA Nadir

    Energy Technology Data Exchange (ETDEWEB)

    Alexander, Abraham S. [British Columbia Cancer Agency, Vancouver Island Centre, Radiation Therapy Program, Victoria, British Columbia (Canada); University of British Columbia, Vancouver, British Columbia (Canada); Mydin, Aminudin; Jones, Stuart O.; Christie, Jennifer [British Columbia Cancer Agency, Vancouver Island Centre, Radiation Therapy Program, Victoria, British Columbia (Canada); Lim, Jan T.W. [British Columbia Cancer Agency, Vancouver Island Centre, Radiation Therapy Program, Victoria, British Columbia (Canada); University of British Columbia, Vancouver, British Columbia (Canada); Truong, Pauline T., E-mail: ptruong@bccancer.bc.ca [British Columbia Cancer Agency, Vancouver Island Centre, Radiation Therapy Program, Victoria, British Columbia (Canada); University of British Columbia, Vancouver, British Columbia (Canada); Ludgate, Charles M. [British Columbia Cancer Agency, Vancouver Island Centre, Radiation Therapy Program, Victoria, British Columbia (Canada); University of British Columbia, Vancouver, British Columbia (Canada)

    2011-12-01

    Purpose: To examine the impact of patient, disease, and treatment characteristics on survival outcomes in patients treated with neoadjuvant androgen deprivation therapy (ADT) and radical external-beam radiotherapy (RT) for clinically localized, extreme-risk prostate adenocarcinoma with a presenting prostate-specific antigen (PSA) concentration of >40 ng/ml. Methods and Materials: A retrospective chart review was conducted of 64 patients treated at a single institution between 1991 and 2000 with ADT and RT for prostate cancer with a presenting PSA level of >40 ng/ml. The effects of patient age, tumor (presenting PSA level, Gleason score, and T stage), and treatment (total ADT duration and pre-RT PSA level) characteristics on rates of biochemical disease-free survival (bDFS), prostate cancer-specific survival (PCSS), and overall survival (OS) were examined. Results: Median follow-up time was 6.45 years (range, 0.09-15.19 years). Actuarial bDFS, PCSS, and OS rates at 5 years were 39%, 87%, and 78%, respectively, and 17%, 64%, and 45%, respectively, at 10 years. On multivariate analysis, the pre-RT PSA level ({<=}0.1 versus >0.1 ng/ml) was the single most significant prognostic factor for bDFS (p = 0.033) and OS (p = 0.018) rates, whereas age, T stage, Gleason score, and ADT duration ({<=}6 versus >6 months) were not predictive of outcomes. Conclusion: In prostate cancer patients with high presenting PSA levels, >40 ng/ml, treated with combined modality, neoadjuvant ADT, and RT, the pre-RT PSA nadir, rather than ADT duration, was significantly associated with improved survival. This observation supports the use of neoadjuvant ADT to drive PSA levels to below 0.1 ng/ml before initiation of RT, to optimize outcomes for patients with extreme-risk disease.

  17. Polymorphous low-grade adenocarcinoma of the nasal fossa.

    Science.gov (United States)

    González-Lagunas, Javier; Alasà-Caparrós, Cristian; Vendrell-Escofet, Gerard; Huguet-Redecilla, Pere; Raspall-Martin, Guillermo

    2005-01-01

    An unusual case of a T4N2CMx polymorphous low grade adenocarcinoma located in the nasal fossae and extending to the pterygoid area is presented. The primary tumor was excised through a Lefort I maxillotomy and the neck was managed with a supraomohyoid neck dissection. Adjuntive postoperative radiotherapy was also administered to the patient.

  18. Duodenal adenocarcinoma in a 10-year-old boy.

    Science.gov (United States)

    Mohamed, Zouari; Habib, Bouthour; Rabia, Ben Abdallah; Youssef, Hlel; Riath, Ben Malek; Youssef, Gharbi; Nejib, Kaabar

    2014-01-01

    Gastrointestinal malignancies are extremely rare in the paediatric population and duodenal cancers represent an even more unusual entity. It represents 0.3-1% of all gastrointestinal tumours. A case report of a 10-year-old boy with duodenal adenocarcinoma is reported and the difficulties of diagnosing and treating this rare tumour are discussed.

  19. Duodenal adenocarcinoma in a 10-year-old boy

    Directory of Open Access Journals (Sweden)

    Zouari Mohamed

    2014-01-01

    Full Text Available Gastrointestinal malignancies are extremely rare in the paediatric population and duodenal cancers represent an even more unusual entity. It represents 0.3-1% of all gastrointestinal tumours. A case report of a 10-year-old boy with duodenal adenocarcinoma is reported and the difficulties of diagnosing and treating this rare tumour are discussed.

  20. Primary appendiceal adenocarcinoma of colonic type with perforating peritonitis.

    Directory of Open Access Journals (Sweden)

    Noguch H

    2001-10-01

    Full Text Available Primary adenocarcinoma of the appendix is rare, especially the colonic type. We report a case of appendiceal adenocarcinoma of colonic type associated with perforating peritonitis after aorto-femoral artery bypass surgery. A 79-year-old woman presented with fever and pain in the right lower abdomen. She had undergone aorto-femoral artery bypass surgery due to arteriosclerosis obliterans 6 months earlier. Abdominal ultrasonography and computed tomography showed a suspected pool of fluid surrounding the artificial vessel and a mass lesion in the upper end of the fluid collection. These findings suggested localized peritonitis due to appendiceal perforation. Emergency laparotomy showed a pool of pus around the artificial vessel and inflamed appendix, which adhered to the surrounding tissue. The mass was excised in combination with an ileocaecal resection, followed by an ileocolic anastomosis. The histological diagnosis was moderately differentiated adenocarcinoma of the appendix, colonic type. The tumour had infiltrated and obstructed the lumen of the orifice of the appendix, which may have caused perforation of the appendix. She was examined at regular periodic follow-ups and no evidence of recurrence or metastasis was noted in the 12-month postoperative period. These findings indicate that, in cases of acute appendicitis, especially with perforation, the possibility of appendiceal adenocarcinoma should be considered.

  1. Primary Adenocarcinoma of Appendix Presenting as Omental Metastasis

    Directory of Open Access Journals (Sweden)

    Arun Gupta, Subhash Bhardwaj, Jyotsna Suri

    2001-07-01

    Full Text Available The adenocarcinoma of appendix is a rare entity The patients present usually with symptoms ofappendicitis, a palpable abdominal mass or rarely as a complication of pseudomyxoma peritonei,We report a case who presented with lump abdomen and ascitis and revealed a tiny infiltrativegrowth at the base of appendix at laparotomy

  2. From Barrett's Esophagus towards Adenocarcinoma: Genetic and Clinical studies

    NARCIS (Netherlands)

    L.B. Koppert (Linetta)

    2006-01-01

    textabstractEsophageal adenocarcinoma is a highly aggressive disease from which more than 80% of patients die within 5 years after diagnosis. Worldwide almost 400,000 new patients are diagnosed annually. Herewith esophageal cancer ranks eighth on the list of most common cancers, and sixth on the lis

  3. The distinctive nature of adenocarcinoma of the lung

    Directory of Open Access Journals (Sweden)

    Roviello G

    2015-09-01

    Full Text Available Giandomenico RovielloDepartment of Molecular and Translational Medicine, University of Brescia, Brescia, ItalyAbstract: In recent years, many personalized treatments have been developed for NSCLC (non-small-cell lung cancer patients. Among these, gefitinib, erlotinib, and afatinib are selective epidermal growth factor receptor (EGFR tyrosine kinase inhibitors for patients with EGFR gene mutations, while crizotinib and ceritinib are two new tyrosine kinase inhibitors directed against the echinoderm microtubule-like protein 4-anaplastic lymphoma kinase translocation. The possibility of these new molecules being used to treat patients without adenocarcinoma histology is notably small. For example, EGFR mutations and anaplastic lymphoma kinase fusion gene rearrangement are rare in patients with squamous cell carcinoma (generally <1%. Additionally, the benefit of targeted treatment approaches in patients with small-cell lung cancer histology is limited. All of these findings highlight the distinctive nature of adenocarcinoma of the lung among all lung cancer subtypes. Unfortunately, to date, less than 15% of patients with adenocarcinoma of the lung are ideal candidates for these targeted therapies.Keywords: lung cancer, adenocarcinoma, EGFR, ALK

  4. Sonic hedgehog-Gli1 pathway in colorectal adenocarcinomas

    Institute of Scientific and Technical Information of China (English)

    Yue-Hong Bian; Shu-Hong Huang; Ling Yang; XiaoLi Ma; Jing-Wu Xie; Hong-Wei Zhang

    2007-01-01

    AIM: To determine the role of Sonic hedgehog (Shh) pathway in colorectal adenocarcinomas through analysis of the expression of Shh pathway-related molecules, Shh, Ptchl, hedgehog-interacting protein (Hip), Gli1, Gli3 and PDGFRα.METHODS: Expression of Shh in 25 colorectal adenocarcinomas was detected by RT-PCR, in situ hybridization and immunohistochemistry. Expression of Ptchl was observed by in situ hybridization and immunohistochemistry. Expression of Hip, Glil, Gli3 and PDGFRa was analyzed by in situ hybridization.RESULTS: Expression of cytokeratin AE1/AE3 was observed in the cytoplasm of colorectal crypts. Members of the Hh signaling pathway were expressed in colorectal epithelium. Shh was expressed in cytoplasm of dysplastic epithelial cells, while expression of Ptchl, Hip and Glil were mainly detected in the malignant crypts of adenocarcinomas. In contrast, PDGFRa was expressed highly in aberrant crypts and moderately in the stroma. Expression of Gli3 could not be detected in colorectal adenocarcinomas.CONCLUSION: These data suggest that Shh-Ptchl-Gli1 signaling pathway may play a role in the progression of colorectal tumor.

  5. Sudden unilateral deafness with endolymphatic sac adenocarcinoma: MRI

    Energy Technology Data Exchange (ETDEWEB)

    Gaeta, M.; Blandino, A.; Minutoli, F.; Pandolfo, I. [Inst. of Radiological Sciences, Univ. of Messina (Italy)

    1999-10-01

    A 30-year-old man presented with sudden left deafness and vertigo. CT showed an osteolytic retrolabyrinthine tumour of the left temporal bone. High signal from the tumour and labyrinth was seen on fat-suppressed T 1-weighted images. At surgery, a haemorrhagic papillary-cystic adenocarcinoma of the endolymphatic sac was found. (orig.)

  6. Management of Adenocarcinoma In Situ of Cervix in Pregnancy

    Directory of Open Access Journals (Sweden)

    Alireza Abidi

    2008-03-01

    Full Text Available Adenocarcinoma in situ is one of the premalignant lesions of the cervix and its incidence is believed to be increasing while the pathogenesis of the disease is not clearly understood. Management of Adenocarcinoma in situ (AIS unlike carcinoma in situ (CIS has not been clearly described in the current literature. Here we describe conservative management and serial colposcopy of two pregnant women with adenocarcinoma in situ of the cervix. Both of the cases were diagnosed initially with abnormal Pap smears and were confirmed by colposcopic directed biopsy. None of the patients agreed with any invasive procedure during pregnancy and both of them were followed with serial colposcopy. None of the lesions showed any evidence of progression. All cases underwent cold knife cone biopsies in their postpartum period. Hysterectomy as the final treatment has been done in both cases with no evidence of progression of the disease during pregnancy. We concluded that adenocarcinoma in situ of the cervix during pregnancy could be managed conservatively with definite treatment postponed till after delivery.

  7. Barrett's esophagus and risk of esophageal adenocarcinoma: A retrospective analysis

    Directory of Open Access Journals (Sweden)

    Hung-Wei Wang

    2015-12-01

    Conclusion: Our study found that BE-associated EAC mostly occurred in older men. In the group with BE-associated EAC, the majority of patients were discovered due to alarm symptoms, at the same time as esophageal adenocarcinoma had already developed. Further prospective study is needed to stratify the risk of disease progression in BE patients.

  8. Anal adenocarcinoma complicating chronic Crohn’s disease

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    Ioannis Papaconstantinou

    2015-01-01

    Conclusion: Albeit a rare complication, clinicians should maintain a high degree of vigilance about the possible development of adenocarcinoma in patients with long-standing perianal Crohn’s disease. Thus, these patients should be kept under regular surveillance with examination under anaesthesia and biopsies or curettage of the tracts.

  9. Conjunctival mucinous adenocarcinoma in an ostrich (Struthio camelus)

    DEFF Research Database (Denmark)

    Perrin, Kathryn L; Bertelsen, Mads F; Bartholin, Henrik

    2017-01-01

    . Gross examination revealed a botryoid mass attached to the inferior palpebral conjunctiva and extending onto the palpebral aspect of the nictitating membrane. Euthanasia was selected, and the histological diagnosis of the second mass was a mixed mucinous adenocarcinoma; however, no acid-fast bacteria...

  10. Advanced Gastric Neuroendocrine Carcinoma with an Adenocarcinoma Component

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    Masashi Miguchi

    2012-01-01

    Full Text Available In the present study, we observed that the adenocarcinoma component in the mucosa was continuous with neuroendocrine carcinoma (NEC in the deeper layers; this suggests the normal course of NEC carcinogenesis at the histological level. A 72-year-old man was admitted to our hospital with a chief complaint of tarry stools. Endoscopic examination of the upper gastrointestinal tract revealed a 2-cm tumor, with a deep central depression, surrounded by a smooth elevated area, in the middle of the stomach body. A biopsy showed that the tumor was a moderately differentiated gastric adenocarcinoma. The patient underwent total gastrectomy and standard lymph node dissection. The resected tumor was a 3.5 × 2.5 cm type 2 lesion. It comprised two elements at the histological level: (i a moderately differentiated adenocarcinoma in the superficial portion of the mucous membrane layer, and (ii NEC-like cells with dark, round nuclei and scant cytoplasm, presenting a solid and trabecular pattern, in the submucosal and muscularis propria layers. Immunohistochemical findings showed that the NEC-like cells were diffusely positive for chromogranin A, synaptophysin, neural cell adhesion molecule, and neuron-specific enolase, but were negative for carcinoembryonic antigen. The Ki-67 labeling index was 95%. The final pathological diagnosis was gastric NEC with an adenocarcinoma component and a high cellular proliferative potential.

  11. A case report of metastatic adenocarcinoma of the gingiva

    Directory of Open Access Journals (Sweden)

    Buddula Aravind

    2009-01-01

    Full Text Available Localized gingival enlargement is often associated with specific systemic medication, abscess formation, trauma or reactive lesions. Scant literature is available reporting enlargement of gingiva due the metastasis of adenocarcinoma from lung. The case report presents a unique case of an adenocarcinoma in the lung metastasizing to the buccal and lingual interdental papillae of teeth numbering 34 and 35. A 72-year-old female was referred to the Mayo Clinic with a recent diagnosis of metastatic stage IV adenocarcinoma of the left lung presented with an abnormal mass located on the left posterior buccal keratinized tissue adjacent to teeth numbering 34-35. Biopsy of the lesion was performed for CK7, CK20, TTF-1 and p63. The tumor cells were positive for CK7 and TTF-1, and weakly positive for p63 suggesting a diagnosis of adenocarcinoma. The periodontist may be in the unique position to be the first oral health care provider to evaluate any biopsy suspicious intra-oral lesions.

  12. COLONIC ADENOCARCINOMA WITH MALAKOPLAKIA OF COLON - A CASE REPORT

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    Chitrawati Bal

    2015-09-01

    Full Text Available The gastrointestinal tract is the most common site for malakoplakia outside the urinary tract. A variety of conditions co - exists with malakoplakia including inflammatory bowel disease, systemic lupus erythematosus, immunodeficiency and tuberculosis. Rarely, it is associated with colonic ad enocarcinoma or adenomas. We report a case of malakoplakia in association with colonic adenocarcinoma.

  13. Synchronous Adenocarcinoma of the Colon and Rectal Carcinoid

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    Vamshidhar Vootla

    2016-10-01

    Full Text Available Primary colonic adenocarcinoma and synchronous rectal carcinoids are rare tumors. Whenever a synchronous tumor with a nonmetastatic carcinoid component is encountered, its prognosis is determined by the associate malignancy. The discovery of an asymptomatic gastrointestinal carcinoid during the operative treatment of another malignancy will usually only require resection without additional treatment and will have little effect on the prognosis of the individual. This article reports a synchronous rectal carcinoid in a patient with hepatic flexure adenocarcinoma. We present a case of a 46-year-old Hispanic woman with a history of hypothyroidism, uterine fibroids and hypercholesterolemia presenting with a 2-week history of intermittent abdominal pain, mainly in the right upper quadrant. She had no family history of cancers. Physical examination was significant for pallor. Laboratory findings showed microcytic anemia with a hemoglobin of 6.6 g/dl. CT abdomen showed circumferential wall thickening in the ascending colon near the hepatic flexure and pulmonary nodules. Colonoscopy showed hepatic flexure mass and rectal nodule which were biopsied. Pathology showed a moderately differentiated invasive adenocarcinoma of the colon (hepatic flexure mass and a low-grade neuroendocrine neoplasm (carcinoid of rectum. The patient underwent laparoscopic right hemicolectomy and chemotherapy. In patients diagnosed with adenocarcinoma of the colon and rectum, carcinoids could be missed due to their submucosal location, multicentricity and indolent growth pattern. Studies suggest a closer surveillance of the GI tract for noncarcinoid synchronous malignancy when a carcinoid tumor is detected and vice versa.

  14. Synchronous Adenocarcinoma of the Colon and Rectal Carcinoid

    Science.gov (United States)

    Vootla, Vamshidhar; Ahmed, Rafeeq; Niazi, Masooma; Balar, Bhavna; Nayudu, Suresh

    2016-01-01

    Primary colonic adenocarcinoma and synchronous rectal carcinoids are rare tumors. Whenever a synchronous tumor with a nonmetastatic carcinoid component is encountered, its prognosis is determined by the associate malignancy. The discovery of an asymptomatic gastrointestinal carcinoid during the operative treatment of another malignancy will usually only require resection without additional treatment and will have little effect on the prognosis of the individual. This article reports a synchronous rectal carcinoid in a patient with hepatic flexure adenocarcinoma. We present a case of a 46-year-old Hispanic woman with a history of hypothyroidism, uterine fibroids and hypercholesterolemia presenting with a 2-week history of intermittent abdominal pain, mainly in the right upper quadrant. She had no family history of cancers. Physical examination was significant for pallor. Laboratory findings showed microcytic anemia with a hemoglobin of 6.6 g/dl. CT abdomen showed circumferential wall thickening in the ascending colon near the hepatic flexure and pulmonary nodules. Colonoscopy showed hepatic flexure mass and rectal nodule which were biopsied. Pathology showed a moderately differentiated invasive adenocarcinoma of the colon (hepatic flexure mass) and a low-grade neuroendocrine neoplasm (carcinoid of rectum). The patient underwent laparoscopic right hemicolectomy and chemotherapy. In patients diagnosed with adenocarcinoma of the colon and rectum, carcinoids could be missed due to their submucosal location, multicentricity and indolent growth pattern. Studies suggest a closer surveillance of the GI tract for noncarcinoid synchronous malignancy when a carcinoid tumor is detected and vice versa. PMID:27920648

  15. Primary Adenocarcinoma in an Oesophageal Gastric Graft – Case Report

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    Dranka-Bojarowska Daria

    2015-02-01

    Full Text Available Primary adenocarcinoma in the esophageal gastric graft is a rare complication diagnosed in patients with long-term survival. Most data concerning the diagnosis and treatment of patients with metachronic cancer in esophageal grafts is derived from Japan and South Korea. The diagnosis of cancer in esophageal gastric grafts in the European countries is rare.

  16. GATA6 expression in Barrett's oesophagus and oesophageal adenocarcinoma

    NARCIS (Netherlands)

    Pavlov, Kirill; Honing, Judith; Meijer, Coby; Boersma-van Ek, Wytske; Peters, Frans T. M.; van den Berg, Anke; Karrenbeld, Arend; Plukker, John T. M.; Kruyt, Frank A. E.; Kleibeuker, Jan H.

    2015-01-01

    Background: Barrett's oesophagus can progress towards oesophageal adenocarcinoma through a metaplasia-dysplasia-carcinoma sequence, but the underlying mechanisms are poorly understood. The transcription factor GATA6 is known to be involved in columnar differentiation and proliferation, and GATA6 gen

  17. GATA6 expression in Barrett's oesophagus and oesophageal adenocarcinoma

    NARCIS (Netherlands)

    Pavlov, Kirill; Honing, Judith; Meijer, Coby; Boersma-van Ek, Wytske; Peters, Frans T.M.; van den Berg, Anke; Karrenbeld, Arend; Plukker, John T.M.; Kruyt, Frank A.E.; Kleibeuker, Jan H.

    2015-01-01

    BACKGROUND: Barrett's oesophagus can progress towards oesophageal adenocarcinoma through a metaplasia-dysplasia-carcinoma sequence, but the underlying mechanisms are poorly understood. The transcription factor GATA6 is known to be involved in columnar differentiation and proliferation, and GATA6 gen

  18. Prognostic factors in adenocarcinoma of the esophagus or gastroesophageal junction

    NARCIS (Netherlands)

    S.M. Lagarde; F.W. ten Kate; J.B. Reitsma; O.R.C. Busch; J.J.B. van Lanschot

    2006-01-01

    The incidence of adenocarcinoma of the esophagus is rising rapidly in Western Europe and North America. It is an aggressive disease with early lymphatic and hematogenous dissemination. TNM cancer staging systems predict survival on the basis of the anatomic extent of the tumor. However, the adequacy

  19. Ground-glass nodule on thin-section CT: Differentiation among adenocarcinoma in situ, minimally invasive adenocarcinoma and lepidic predominant invasive adenocarcinoma

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Man Ho; Ryu, Dae Shick; Kim, Do Young; Ahn, Jae Hong; Choi, Soo Jung; Gang, Gil Hyeon; Yoo, Dong Gon; Shin, Dong Rock [Gangneung Asan Hospital, College of Medicine, University of Ulsan, Gangneung (Korea, Republic of)

    2015-12-15

    To investigate different computed tomography (CT) features among adenocarcinoma in situ (AIS), minimally invasive adenocarcinoma (MIA), and lepidic predominant invasive adenocarcinoma (LPA) that appeared as ground-glass nodules (GGN). We also analyzed different CT findings between Group A (AIS and MIA) and Group B (LPA). We evaluated 19 AIS, 4 MIA, and 9 LPA images that were histologically confirmed and manifested as GGN on thin-section CT scans. CT scans were assessed for lesion characteristics: size, shape, solid portion, internal air density, marginal irregularity and pleural tag. CT findings of Group A and Group B were analyzed using the Kruskal-Wallis test or Fisher's exact test. A significant statistical difference was seen between AIS and LPA for lesion characteristics (p < 0.05). No significant difference was observed between AIS and MIA. Round or polygonal shape with smooth margin was significantly associated with Group A, and complex shape with marginal irregularity was associated with Group B. Group A (AIS and MIA) could be distinguished from Group B (LPA) by smaller lesion size, round or polygonal shape, smaller solid portion and smooth margin.

  20. Human Mesenchymal Stromal Cells Transplantation May Enhance or Inhibit 4T1 Murine Breast Adenocarcinoma through Different Approaches

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    T. Jazedje

    2015-01-01

    Full Text Available The use of Mesenchymal Stromal Cells (MSCs aiming to treat cancer has shown very contradictory results. In an attempt to clarify the contradictory results reported in the literature and the possible role of human fallopian tube Mesenchymal Stromal Cells (htMSCs against breast cancer, the aim of this study was to evaluate the clinical effect of htMSCs in murine mammary adenocarcinoma using two different approaches: (1 coinjections of htMSCs and 4T1 murine tumor cell lineage and (2 injections of htMSCs in mice at the initial stage of mammary adenocarcinoma development. Coinjected animals had a more severe course of the disease and a reduced survival, while tumor-bearing animals treated with 2 intraperitoneal injections of 106 htMSCs showed significantly reduced tumor growth and increased lifespan as compared with control animals. Coculture of htMSCs and 4T1 tumor cells revealed an increase in IL-8 and MCP-1 and decreased VEGF production. For the first time, we show that MSCs isolated from a single source and donor when injected in the same animal model and tumor can lead to opposite results depending on the experimental protocol. Also, our results demonstrated that htMSCs can have an inhibitory effect on the development of murine mammary adenocarcinoma.

  1. Frequencies and prognostic role of KRAS and BRAF mutations in patients with localized pancreatic and ampullary adenocarcinomas

    DEFF Research Database (Denmark)

    Schultz, Nicolai Aagaard; Roslind, Anne; Christensen, Ib J

    2012-01-01

    The frequencies and prognostic role of KRAS and BRAF mutations in patients operated on for pancreatic ductal adenocarcinomas (PDACs) and ampullary adenocarcinomas (A-ACs) are scantily studied.......The frequencies and prognostic role of KRAS and BRAF mutations in patients operated on for pancreatic ductal adenocarcinomas (PDACs) and ampullary adenocarcinomas (A-ACs) are scantily studied....

  2. Adenocarcinoma of the paraurethral glands: a case report.

    Science.gov (United States)

    Massari, Francesco; Ciccarese, Chiara; Modena, Alessandra; Maines, Francesca; Segala, Diego; Luchini, Claudio; Marcolini, Lisa; Cavicchioli, Francesca; Cavalleri, Stefano; Bria, Emilio; Brunelli, Matteo; Martignoni, Guido; Artibani, Walter; Tortora, Giampaolo

    2014-10-01

    Adenocarcinoma of the paraurethral glands represents a very rare neoplasm of the urinary tract. Due to the rarity of this disease, there is no standard therapeutic approach. We report a case of adenocarcinoma of the paraurethral glands in a 56-year-old woman, presenting with abnormal serous vaginal discharges. The radiologic examination revealed a 5-cm mass around the urethra, which underwent surgical resection. After surgical resection, the histology revealed a moderately differentiated adenocarcinoma, probably arising from the paraurethral glands. One month later, a pelvic recurrent mass was radiologically diagnosed; consequently, an anterior pelvic exenteration with lymph node dissection was performed. Histological examination revealed a moderately differentiated adenocarcinoma, with glandular and micropapillary architecture, with multiple lymph node metastases. The absence of modifications such as urethritis cystic glandularis on the urethral mucosa, as well as the lack of a lesion in situ, associated with the immunohistochemical expression of PAX8 and negativity for GATA3 and S100p, suggested that the adenocarcinoma originated from the paraurethral glands rather than from the urethral mucosa. Post-surgery CT scans revealed no evidence of metastatic disease. The patient received 6 courses of adjuvant chemotherapy with carboplatin and paclitaxel. One year after the pelvic exenteration, because of inguinal lymph node progression, an inguinal lymphadenectomy was performed. Four months later, a TC-PET revealed a multidistrectual lymph node and a lung micronodule disease progression. Invasive micropapillary carcinomas have been characterized as a rare distinctive variant of carcinomas in several anatomic sites and are distinguished by a marked tendency to lymphovascular invasion, justifying the association with high-stage disease and poor prognosis. In the present case, both the poor prognosis connected with micropapillary structure and the lymph node involvement

  3. Mammary adenocarcinoma in a mare Adenocarcinoma mamário em égua

    Directory of Open Access Journals (Sweden)

    Marilene de Farias Brito

    2008-04-01

    Full Text Available A non-lactating 17-year-old grey barren Mangalarga Marchador mare was referred to the Large Animal Veterinary Hospital of the Federal Rural University of Rio de Janeiro (UFRRJ, presenting enlargement of the mammary gland. The owner reported that the animal had a lesion in the mammary gland for at least two years, diagnosed and treated as chronic mastitis. Initially only the right gland was involved, presenting ulceration and exudation on the cutaneous surface. After 20 months, the left gland also became affected. The diagnosis of tubulo-papillary adenocarcinoma was based on the typical microscopic lesions. This work shows the importance of the histopathological examination in the differential diagnosis between the neoplasms and the chronic inflammation in the mammary gland of mares, as well as, to show that the cytological examination cannot detect the tumor, in case the puncture is made in areas of secondary infection.Uma égua tordilha, Mangalarga Marchador, de 17 anos, não-lactante e não-prenhe, foi encaminhada ao Hospital de Grandes Animais da Universidade Federal Rural do Rio de Janeiro, com histórico de mastite crônica há dois anos. No início da lesão, apenas a glândula mamária direita estava muito aumentada, com exsudação sero-hemorrágica e ulcerada. Após 20 meses, a mama esquerda também estava comprometida. A égua foi tratada para mastite crônica, porém o exame histopatológico revelou tratar-se de um adenocarcinoma túbulo-papilar. Este trabalho evidencia a importância do exame histopatológico no diagnóstico diferencial entre neoplasias e inflamação crônica da mama de éguas, uma vez que o exame citopatológico pode não detectar o tumor, quando a punção é feita em áreas de infecção secundária.

  4. Comparison of erlotinib and pemetrexed as second-/third-line treatment for lung adenocarcinoma patients with asymptomatic brain metastases

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    He YY

    2016-04-01

    Full Text Available Yayi He,1,* Wenwen Sun,2,* Yan Wang,3,* Shengxiang Ren,1 Xuefei Li,3 Jiayu Li,3 Christopher J Rivard,4 Caicun Zhou,1 Fred R Hirsch4 1Department of Oncology, Shanghai Pulmonary Hospital, 2Clinic and Research Center of Tuberculosis, Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, 3Department of Lung Cancer and Immunology, Shanghai Pulmonary Hospital, Tongji University Medical School Cancer Institute, Tongji University School of Medicine, Shanghai, People’s Republic of China; 4Division of Medical Oncology, Department of Medicine, University of Colorado, Aurora, CO, USA *These authors contributed equally to this work Objective: Brain metastases occur in one-third of all non-small-cell lung cancer patients. Due to restrictive transport at the blood–brain barrier, many drugs provide poor control of metastases in the brain. The aim of this study was to compare erlotinib with pemetrexed as second-/third-line treatment in patients with lung adenocarcinoma with asymptomatic brain metastases.Methods: From January 2012 to June 2014, all lung adenocarcinoma patients with asymptomatic brain metastases who received treatment with erlotinib or pemetrexed as second-/third-line treatment were retrospectively reviewed. Chi-square and log-rank tests were used to perform statistical analysis.Results: The study enrolled 99 patients, of which 44 were positive for EGFR mutation. Median progression-free survival (PFS in months was not significantly different between the erlotinib- and pemetrexed-treated groups (4.2 vs 3.4 months; 95% confidence interval [CI]: 2.01–6.40 vs 2.80–5.00, respectively; P=0.635. Median PFS was found to be significantly longer in EGFR mutation–positive patients in the erlotinib-treated group (8.0 months; 95% CI 5.85–10.15 compared to the pemetrexed group (3.9 months; 95% CI: 1.25–6.55; P=0.032. The most common treatment-related side effect was mild-to-moderate rash and the most common drug-related side

  5. Institute news

    Science.gov (United States)

    1999-11-01

    Joining the team A new member of staff has recently joined the Institute of Physics Education Department (Schools and Colleges) team. (Dr) Steven Chapman will have managerial responsibility for physics education issues in the 11 - 16 age range, particularly on the policy side. He will work closely with Mary Wood, who spends much of her time out and about doing the practical things to support physics education pre-16. Catherine Wilson will be spending more of her time working to support the Post-16 Physics Initiative but retains overall responsibility for the department. Steven graduated in Physics and Astronomy and then went on to do his doctorate at Sussex University. He stayed in the research field for a while, including a period at NPL. Then, having decided to train as a teacher, he taught for the last five years, most recently at a brand new school in Sutton where he was Head of Physics. Physics update Dates for `Physics Update' courses in 2000, intended for practising science teachers, are as follows: 1 - 3 April: Malvern College 9 - 10 June: Stirling University 8 - 10 July: York University 8 - 10 December: Oxford University The deadline for applications for the course to be held on 11 - 13 December 1999 at the School of Physics, Exeter University, is 12 November, so any late enquiries should be sent to Leila Solomon at The Institute of Physics, 76 Portland Place, London W1N 3DH (tel: 020 7470 4821) right away. Name that teacher! Late nominations are still welcome for the Teachers of Physics/Teachers of Primary Science awards for the year 2000. Closing date for nominations is `the last week in November'. Further details can be obtained from Catherine Wilson or Barbara Hill in the Institute's Education Department. Forward and back! The Education Group's one-day meeting on 13 November is accepting bookings until almost the last minute, so don't delay your application! The day is entitled `Post-16 physics: Looking forward, learning from the past' and it aims to

  6. Lacunar strokes: a single institutional experience

    Directory of Open Access Journals (Sweden)

    Osama Shukir Muhammed Amin

    2013-08-01

    Full Text Available Abstract: Objective: Lacunar ischemic strokes comprise approximately 25% of all ischemic strokes. We compared the risk factors and clinical pattern of this type of stroke between males and females. Methods: This observational study involved 50 consecutive patients with their first-ever lacunar stroke and was conducted at the department of neurology of Sulaimaniya general teaching hospital, Iraq from December 1, 2010 to March 1, 2013. Patients’ risk factors, clinical presentation, and strokes’ patterns were noted and a comparison was made between males and females. Results: Males (64% outnumbered females (36% with a male to female ration of 1.7. The mean age of males was 63 years while it was 61 years in females. Although hypertension was more common in females than in males, diabetes and smoking were more common in the latter group; however, there were no statistically significant differences between the 2 genders in terms of hypertension (P-value <0.3 and diabetes (P-value < 0.07 while smoking was strongly associated with male gender (P-value<0.0001. Pure motor hemiparesis, ataxic hemiparesis, pure sensory stroke, and dysarthria-clumsy hand syndrome were more common in males; only senori-motor stroke revealed a statistically significant difference in favor males (P-value<0.0001; 95% CI -1.7 to 19.2. There was no statistically significant difference in terms of which side of the brain was infarcted between males and females (P-value<0.4. Conclusion: Males around the age of 63 years were the main target for these lacunar strokes. Cigarette smoking and sensorimotor strokes were significantly associated with male gender. [Cukurova Med J 2013; 38(4.000: 659-666

  7. Production and radioimmunoimaging of novel fully human phage display recombinant antibodies and growth inhibition of lung adenocarcinoma cell line overexpressing Prx I.

    Science.gov (United States)

    Luo, Yi; Pang, Hua; Li, Shujie; Cao, Hui; Peng, Zhiping; Fan, Chunbo; Li, Shaolin

    2009-07-01

    The Peroxiredoxin I (Prx I) is a member of the Peroxiredoxin family, which is overexpressed in many diverse tumor types and is an anti-apoptosis protein for tumor cell proliferation and survival. Therapeutic strategies targeting the Prx I may therefore be effective broad-spectrum anticancer agents. We constructed a phage display single-chain variable fragment (scFv) antibody library and sieve out the fully human, lung adenocarcinoma-sepcific monoclonal antibodies. The selection on Prx I was performed using above-mentioned lung adenocarcinoma-sepcific monoclonal antibodies with high affinity to Prx I overexpressing lung adenocarcinoma cells. The candidate scFv sequences, based on enzyme-linked immunosorbent assay (ELISA) screening data, were chosen for soluble expression, and a 30 kDa band was observed on polyacrylamide gel electrophoresis as predicted. The purified antibodies were characterized by immunoblotting and showed high specificity to Prx I-overexpressing lung adenocarcinoma cells A549. Radioimmunoimaging was taken to evaluate specificity and distribution of antibodies in vivo. The radiolocalization index (RI) of tumor/serum and tumor/muscle gradually increased, reaching its peak (4.06 +/- 0.13 and 5.17 +/- 0.97, respectively) at 48 h postadministration. Single photon emission computed tomography (SPECT) imaging showed the radioactivity was aggregated in tumor locations and tumor imaging was clearly observed. The internalized scFv resulted in antibody-mediated cell apoptosis and downregulation of Prx I expression. These results demonstrate that the scFv possesses strong antitumor activity on lung adenocarcinoma and may therefore be an effective therapeutic candidate for the treatment of cancers that are dependent on Prx I for growth and survival.

  8. Safety and efficacy of granulocyte colony-stimulating factor biosimilars in engraftment after autologous stem cell transplantation for haematological malignancies: a 4-year, single institute experience with different conditioning regimens

    Science.gov (United States)

    Bassi, Simona; Stroppa, Elisa M.; Moroni, Carlo F.; Arbasi, Maria C.; Trabacchi, Elena; Di Franco, Anna; Lazzaro, Antonio; Bernuzzi, Patrizia; Moretto, Mauro; Arcari, Annalisa; Bosi, Costanza; Riva, Alessandra; Cavanna, Luigi; Vallisa, Daniele

    2015-01-01

    Background Filgrastim biosimilars have recently been introduced into clinical practice. To date biosimilars have demonstrated comparable efficacy and safety as the originator in chemotherapy-induced neutropenia. Published experience in engraftment after autologous stem cell transplantation (ASCT) is limited and concerns relatively few patients. Materials and methods With the aim of assessing the efficacy and the safety of filgrastim biosimilars in post-ASCT bone marrow recovery, we conducted a single institution, retrospective study in 56 lymphoma and myeloma patients who received filgrastim biosimilars (Tevagrastim® and Zarzio®) at standard doses from day 5. We compared our results with recently published data on the originator. A cost analysis of each biosimilar was performed. Results Neutrophil counts recovered in 55 patients. The median number of filgrastim biosimilar vials injected was seven per patient. The median time to neutrophil and platelet recovery was 10 and 12 days, respectively. Twenty-six patients had febrile neutropenia, in half of whom the agent involved was identified. In the cost analysis, the use of Tevagrastim® and Zarzio® was associated with cost reductions of 56% and of 86%, respectively. Discussion Despite differences in CD34+ cell counts and time of starting filgrastim, our results in terms of time to engraftment and median number of vials injected are similar to published data. Comparing our results by single conditioning regimen to recent literature data, the time to engraftment and duration of hospitalisation were equivalent. Significant differences were observed in the incidence of febrile neutropenia, perhaps due to different preventive and prophylactic protocols for infections. Although prospective studies should be performed to confirm our results, filgrastim biosimilars were found to be effective and safe in engraftment after ASCT. PMID:25761321

  9. Ductal adenocarcinoma of the prostate: immunohistochemical findings and clinical significance

    Directory of Open Access Journals (Sweden)

    Sha JJ

    2013-10-01

    Full Text Available Jianjun Sha,1,2 Juanjie Bo,1 Jiahua Pan,1 Lianhua Zhang,1 Hanqing Xuan,1 Wei Chen,1 Dong Li,1 Zhaoliang Wang,1 Dongming Liu,1 Yiran Huang1,2 1Department of Urology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, 2School of Biomedical Engineering, Shanghai Jiaotong University, Shanghai, People's Republic of China Introduction: To investigate the clinical features, diagnosis, treatment, and prognosis of ductal adenocarcinoma of the prostate. Methods: The clinicopathological and immunohistochemical data of seven patients with ductal adenocarcinoma of the prostate were retrospectively analyzed. All patients underwent physical examination, magnetic resonance imaging (MRI, bone scan, cystoscopy, and computed tomography (CT scan. The level of prostate-specific antigen (PSA before and after surgery was assessed. Different prostate cancer markers were used for immunohistochemical staining. Results: The mean age of the seven patients diagnosed with prostatic ductal adenocarcinoma in this study was 76.2 years (range 57–88. Five patients presented with intermittent and painless gross hematuria, one patient with progressive dysuria, and one patient with elevated serum PSA on routine health examination. The level of PSA before surgery ranged from 1.3 to 45.0 ng/mL. Immunohistochemical staining results of the prostatic ductal adenocarcinoma confirmed positivity for PSA, prostatic acid phosphatase, androgen receptor, and alpha-methyacyl co-enzyme A (CoA-reductase markers. Two of the patients underwent bilateral orchiectomy combined with anti-androgen therapy, three underwent transurethral resection of prostate, one received radical prostatectomy, and one received medical castration therapy. The clinical outcomes of all patients were satisfactory, based on follow-up data. The symptoms of hematuria and dysuria were ameliorated well, and the postoperative PSA level decreased below 4.0 ng/mL. Recurrence or metastasis of disease was

  10. Radiation induced esophageal adenocarcinoma in a woman previously treated for breast cancer and renal cell carcinoma

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    Raissouni Soundouss

    2012-08-01

    Full Text Available Abstract Background Secondary radiation-induced cancers are rare but well-documented as long-term side effects of radiation in large populations of breast cancer survivors. Multiple neoplasms are rare. We report a case of esophageal adenocarcinoma in a patient treated previously for breast cancer and clear cell carcinoma of the kidney. Case presentation A 56 year-old non smoking woman, with no alcohol intake and no familial history of cancer; followed in the National Institute of Oncology of Rabat Morocco since 1999 for breast carcinoma, presented on consultation on January 2011 with dysphagia. Breast cancer was treated with modified radical mastectomy, 6 courses of chemotherapy based on CMF regimen and radiotherapy to breast, inner mammary chain and to pelvis as castration. Less than a year later, a renal right mass was discovered incidentally. Enlarged nephrectomy realized and showed renal cell carcinoma. A local and metastatic breast cancer recurrence occurred in 2007. Patient had 2 lines of chemotherapy and 2 lines of hormonotherapy with Letrozole and Tamoxifen assuring a stable disease. On January 2011, the patient presented dysphagia. Oesogastric endoscopy showed middle esophagus stenosing mass. Biopsy revealed adenocarcinoma. No evidence of metastasis was noticed on computed tomography and breast disease was controlled. Palliative brachytherapy to esophagus was delivered. Patient presented dysphagia due to progressive disease 4 months later. Jejunostomy was proposed but the patient refused any treatment. She died on July 2011. Conclusion We present here a multiple neoplasm in a patient with no known family history of cancers. Esophageal carcinoma is most likely induced by radiation. However the presence of a third malignancy suggests the presence of genetic disorders.

  11. Bax is not involved in the resveratrol-induced apoptosis in human lung adenocarcinoma cells

    Science.gov (United States)

    Zhang, Wei-wei; Wang, Zhi-ping; Chen, Tong-sheng

    2010-02-01

    Resveratrol (RV) is a natural plant polyphenol widely present in foods such as grapes, wine, and peanuts. Previous studies indicate that RV has an ability to inhibit various stages of carcinogenesis and eliminate preneoplastic cells in vitro and in vivo. However, little is known about the molecular mechanism of RV-induced apoptosis in human lung adenocarcinoma (ASTC-a-1) cell. In this report, we analyzed whether Bax translocation from cytoplasm to mitochondria during RV-induced apoptosis in single living cell using onfocal microscopey. Cells were transfected with GFP-Bax plasmid. Cell counting kit (CCK-8) assay was used to assess the inhibition of RV on the cells viability. Apoptotic activity of RV was detected by Hoechst 33258 and propidium iodide (PI) staining. Our results showed that RV induced a dose-dependent apoptosis in which Bax did not translocate to mitochondrias.

  12. Pelvic Radiotherapy versus Radical Prostatectomy with Limited Lymph Node Sampling for High-Grade Prostate Adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Christopher B. Baker

    2016-01-01

    Full Text Available Purpose. To compare oncologic outcomes for patients with Gleason score (GS ≥ 8 prostate adenocarcinoma treated with radical prostatectomy (RP versus external beam radiotherapy combined with androgen deprivation (RT + ADT. Methods. Between 2001 and 2014, 121 patients with GS ≥ 8 were treated at our institution via RT + ADT (n=71 or RP (n=50 with ≥ 1 year of biochemical follow-up. Endpoints included biochemical failure (BF, distant metastasis, and initiation of salvage ADT. Results. The RT + ADT group was older, had higher biopsy GS, and had greater risk of lymph node involvement. All other pretreatment characteristics were similar between groups. Mean number of lymph nodes (LNs sampled for patients undergoing RP was 8.2 (±6.18. Mean biochemical follow-up for all patients was 61 months. Five-year estimates of BF for the RT + ADT and RP groups were 7.2% versus 42.3%, (p<0.001. The RT + ADT group also had lower rates of distant metastasis (2% versus 7.8% and salvage ADT (8% versus 33.8%. Conclusion. In this analysis, RT + ADT was associated with improved biochemical and metastatic control when compared to RP with limited LN sampling. How RT + ADT compares with more aggressive lymphadenectomy, as is currently our institutional standard, remains an important unanswered question.

  13. Mucinous Bladder Adenocarcinoma: Case Report and Literature Review

    Directory of Open Access Journals (Sweden)

    Bruno Mello R. Santos

    2015-01-01

    Full Text Available Primary mucinous adenocarcinoma is an extremely rare type of bladder cancer, with aggressive behavior and poor response to chemotherapy and radiotherapy. The symptoms are similar to those of other bladder tumors. Surgery is the main treatment and remains the only curative option. There may be a progression from mucinous metaplasia to mucinous adenoma and then mucinous adenocarcinoma. We present the case of a 40-year-old woman with recurrent lower urinary tract infections, submitted to imaging tests, which showed a bladder tumor. After transurethral resection, pathology showed intestinal mucinous carcinoma. Metastatic work-up was negative. New surgical procedure showed metaplasia but no recurrence of the carcinoma. The patient is now using antibiotic prophylaxis and will undergo a cystoscopy every 3 months and computed tomography in one year.

  14. Renal-Adenocarcinoma-Associated Erythrocytosis in a Cat

    Directory of Open Access Journals (Sweden)

    Sungjun Noh, Ji-Houn Kang*, Gonhyung Kim, Dongwoo Chang, Byeongwoo Ahn, Ki-Jeong Na and Mhan-Pyo Yang

    2013-01-01

    Full Text Available A 9-year-old spayed female domestic shorthair cat was referred for erythrocytosis. Even after the correction of dehydration, blood analyses showed that there had been no improvement. An abdominal ultrasonography and computed tomography identified the presence of a mass on the left kidney. Measurement of serum erythropoietin (EPO showed higher concentration than the reference interval. These findings suggested a direct association of the erythrocytosis with excessive EPO production. The cat underwent nephrectomy of the affected (left kidney. Subsequent histopathology was consistent with a diagnosis of renal adenocarcinoma. Following the nephrectomy, serum EPO concentrations decreased gradually, and the erythrocytosis resolved 15 days postoperatively. This case describes the diagnosis and treatment of secondary inappropriate erythrocytosis in a cat with renal adenocarcinoma.

  15. Gastric Adenocarcinoma Presenting with Gastric Outlet Obstruction in a Child

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    Abdulrahman Al-Hussaini

    2014-01-01

    Full Text Available Gastric carcinoma is extremely rare in children representing only 0.05% of all gastrointestinal malignancies. Here, we report the first pediatric case of gastric cancer presenting with gastric outlet obstruction. Upper endoscopy revealed a markedly thickened antral mucosa occluding the pylorus and a clean base ulcer 1.5 cm × 2 cm at the lesser curvature of the stomach. The narrowed antrum and pylorus underwent balloon dilation, and biopsy from the antrum showed evidence of Helicobacter pylori gastritis. The biopsy taken from the edge of the gastric ulcer demonstrated signet-ring-cell type infiltrate consistent with gastric adenocarcinoma. At laparotomy, there were metastases to the liver, head of pancreas, and mesenteric lymph nodes. Therefore, the gastric carcinoma was deemed unresectable. The patient died few months after initiation of chemotherapy due to advanced malignancy. In conclusion, this case report underscores the possibility of gastric adenocarcinoma occurring in children and presenting with gastric outlet obstruction.

  16. Comparison of glycoprotein expression between ovarian and colon adenocarcinomas

    DEFF Research Database (Denmark)

    Multhaupt, H A; Arenas-Elliott, C P; Warhol, M J

    1999-01-01

    OBJECTIVE: Tumor-associated antigens may be expressed as surface glycoproteins. These molecules undergo qualitative and quantitative modifications during cell differentiation and malignant transformation. During malignant transformation, incomplete glycosylation is common, and certain glycosylation...... pathways are preferred. These antigens might help distinguish between ovarian and colonic adenocarcinomas in the primary and metastatic lesions. Different cytokeratins have been proposed as relatively organ-specific antigens. DESIGN: We used monoclonal antibodies against T1, Tn, sialosyl-Tn, B72.3, CA125......, carcinoembryonic antigen, and cytokeratins 7 and 20 to detect tumor-associated glycoproteins and keratin proteins in ovarian and colonic carcinomas. RESULTS: CA125, carcinoembryonic antigen, and cytokeratins 7 and 20 can distinguish between colonic and serous or endometrioid adenocarcinomas of the ovary in both...

  17. Hearing loss as an unusual consequence of metastatic gastric adenocarcinoma

    Directory of Open Access Journals (Sweden)

    CE Owers

    2010-10-01

    Full Text Available A sixty-one year old man was referred with a history of progressive dysphagia, vomiting and weight loss with some back pain. Upper gastrointestinal endoscopy and biopsies revealed a gastro-oesophageal junction adenocarcinoma. Despite the absence of metastatic disease on computed tomography, positron emission tomography demonstrated multiple vertebral and sternal deposits. He was reviewed in an ENT clinic with a sudden onset of hearing loss accompanied by dizziness, but no focal neurology. Magnetic resonance imaging identified bilateral 2cm lesions at the internal auditory meatus, consistent with a diagnosis of bilateral acoustic neuromas. The patient subsequently died of carcinomatosis and, because of the potential familial significance of bilateral acoustic neuromas, a limited post-mortem examination was carried out. Unexpectedly, this revealed bilateral adenocarcinoma metastases infiltrating the internal auditory meatus affecting the acoustic nerves. The authors believe this a very rare presentation of metastatic gastric disease.

  18. Is tissue CA125 expression in epithelial ovarian adenocarcinoma heterogenic?

    DEFF Research Database (Denmark)

    Sparholt, Morten H; Høgdall, Claus K; Nedergaard, Lotte

    2013-01-01

    To evaluate if heterogeneity of tissue cancer antigen 125 (CA125) expression is present in epithelial serous adenocarcinomas. Furthermore, to investigate whether there is a correlation between levels of CA125 tissue expression, serum level of CA125, stage, and grade. A total of 10 patients...... diagnosed with serous ovarian adenocarcinomas were included. Preoperative blood samples were collected to determine serum CA125 levels. Tumor tissue from primary surgery was collected and processed for immunohistochemical analyses. CA125 was expressed in varying degrees in tumor tissues from all patients....... Mean tissue CA125 expression for each patient ranged from 36% to 98%. Intrapatient variations in tissue expression ranged from 10% to 90% point. No significant correlations between levels of CA125 tissue expression, serum level of CA125, stage, and grade were found. We found that the tissue expression...

  19. Instituting Commoning

    Directory of Open Access Journals (Sweden)

    . STEALTH.unlimited

    2015-06-01

    Full Text Available Starting from the origins of the notion of management, this paper explores how commons governance is constituted by the earlier influential research of Elinor Ostrom, and pursues this with reference to scholars such as Saki Bailey, who emphasises that the choice of regulatory frame is ultimately a political one. We then argue that commons have to be ‘instituted’ in an open manner in order to remain accessible. This demands a set of scripts, rules or agreements that keep the process of commoning in place, and, simultaneously, keep commoning in a constant process of reproduction. We examine this tension and look at the shift in understanding about what ‘institutions of the commons’ have entailed in practice over the course of the last century and a half. Finally, we return to the political dimension to touch upon the question of whether, with the disappearance of the welfare state, a coherent concept of society can emerge from the current upsurge of commons initiatives.

  20. Citrobacter koseri Pneumonia As Initial Presentation of Underlying Pulmonary Adenocarcinoma

    OpenAIRE

    Kelly Pennington; Martin Van Zyl; Patricio Escalante

    2016-01-01

    Citrobacter koseri is a motile, gram-negative rod traditionally known to cause infection in individuals with significant comorbidities and immunocompromised status. While most cases represent nosocomial infections, rarely community-acquired infections have been reported. We present a previously healthy man in his 60s with C. koseri pneumonia who was subsequently found to have underlying pulmonary adenocarcinoma, illustrating the need for further investigation for immunodeficiency and/or intra...

  1. Citrobacter koseri Pneumonia As Initial Presentation of Underlying Pulmonary Adenocarcinoma

    Science.gov (United States)

    Pennington, Kelly; Van Zyl, Martin; Escalante, Patricio

    2016-01-01

    Citrobacter koseri is a motile, gram-negative rod traditionally known to cause infection in individuals with significant comorbidities and immunocompromised status. While most cases represent nosocomial infections, rarely community-acquired infections have been reported. We present a previously healthy man in his 60s with C. koseri pneumonia who was subsequently found to have underlying pulmonary adenocarcinoma, illustrating the need for further investigation for immunodeficiency and/or intrapulmonary pathology.

  2. Hydronephrosis as a complication of adenocarcinoma of the lung.

    Science.gov (United States)

    Hiraki, Akio; Ueoka, Hiroshi; Gemba, Kenich; Kuyama, Syouich; Kishino, Daizo; Tabata, Masahiro; Kiura, Katsuyuki; Tanimoto, Mitsune; Harada, Mine

    2003-01-01

    We describe a patient with adenocarcinoma of the lung who developed hydronephrosis secondary to compression by right common iliac lymph node metastases. The most common primary sites of cancers causing ureteral obstruction are the cervix, prostate, bladder and colo-rectum. To date, few reports of ureteral obstruction attributable to lung cancer have been published. Although rare, physicians should be aware that hydronephrosis can complicate the course of patients with non-small cell lung cancer.

  3. Paraneoplastic neurological syndrome as initial presentation of pulmonary adenocarcinoma

    OpenAIRE

    Shahani, Lokesh

    2012-01-01

    Paraneoplastic neurological syndromes are defined as remote effects of cancer that are not caused by the tumour and its metastasis, or by infection, ischaemia or metabolic disruptions. The author reports a 63-year-old Caucasian woman presenting with slowly progressing cognitive deficits. Initial workup failed to reveal any obvious cause of her cognitive deficits. Retrospective medical data review revealed a pulmonary nodule, which on further evaluation revealed pulmonary adenocarcinoma with m...

  4. Updates on Treatment of Gemcitabine-Refractory Pancreatic Adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Nektaria Makrilia

    2011-07-01

    Full Text Available Gemcitabine monotherapy and gemcitabine-based regimens are the current standard of care for locally advanced or metastatic pancreatic adenocarcinoma. However, there is still great controversy over the role of salvage chemotherapy after failure of gemcitabine. This review is an update on the 2011 American Society of Clinical Oncology (ASCO Annual Meeting regarding the most important developments in the treatment of refractory pancreatic cancer, as they were reported in Abstracts #e14542 and #e14588.

  5. Atypical presentation of colon adenocarcinoma: a case report

    Directory of Open Access Journals (Sweden)

    Tumwine Lynnette K

    2012-02-01

    Full Text Available Abstract Introduction Adenocarcinoma of the colon is the most common histopathological type of colorectal cancer. In Western Europe and the United States, it is the third most common type and accounts for 98% of cancers of the large intestine. In Uganda, as elsewhere in Africa, the majority of patients are elderly (at least 60 years old. However, more recently, it has been observed that younger patients (less than 40 years of age are presenting with the disease. There is also an increase in its incidence and most patients present late, possibly because of the lack of a comprehensive national screening and preventive health-care program. We describe the clinicopathological features of colorectal carcinoma in the case of a young man in Kampala, Uganda. Case presentation A 27-year-old man from Kampala, Uganda, presented with gross abdominal distension, progressive loss of weight, and fever. He was initially screened for tuberculosis, hepatitis, and lymphoma, and human immunodeficiency virus/acquired immunodeficiency syndrome infection. After a battery of tests, a diagnosis of colorectal carcinoma was finally established with hematoxylin and eosin staining of a cell block made from the sediment of a liter of cytospun ascitic fluid, which showed atypical glands floating in abundant extracellular mucin, suggestive of adenocarcinoma. Ancillary tests with alcian blue/periodic acid Schiff and mucicarmine staining revealed that it was a mucinous adenocarcinoma. Immunohistochemistry showed strong positivity with CDX2, confirming that the origin of the tumor was the colon. Conclusions Colorectal carcinoma has been noted to occur with increasing frequency in young adults in Africa. Most patients have mucinous adenocarcinoma, present late, and have rapid disease progression and poor outcome. Therefore, colorectal malignancy should no longer be excluded from consideration only on the basis of a patient's age. A high index of suspicion is important in the

  6. Mucinous adenocarcinoma originating in localized type adenomyomatosis of the gallbladder

    Institute of Scientific and Technical Information of China (English)

    2001-01-01

    @@ Adenomyomatosis of the gallbladder (GBA) has been defined as an acquired disease characterized by hyperplastic extension of the surface epithelium into, and often beyond, the thickened gallbladder muscular layer (Rokitansky-Aschoff's sinuses, or RA sinuses).1 It is reported as a lesion with no risk of malignant transformation.2 In recent years, however, a few cases of GBA associated with carcinoma have been reported.3-7 We present another case of mucinous adenocarcinoma arising from GBA.

  7. Case Report: Bazex Syndrome Associated With Pulmonary Adenocarcinoma

    OpenAIRE

    Zhao, Jing; Zhang, Xilin; Chen, Zhuo; Wu, Jian-Hua

    2016-01-01

    Abstract Bazex syndrome, a rare paraneoplastic syndrome characterized by psoriasiform eruptions, palmoplantar keratosis, and symmetric onychodystrophy, is most prevalent with squamous cell carcinomas of the upper aerodigestive tract. Here, we reported an uncommon case of Bazex syndrome about an 83-year-old man with pulmonary adenocarcinoma and osseous metastasis, Physical examination found psoriasiform eruptions on the nose, cheeks, ears, knees, and the dorsa of interphalangeal joints, along ...

  8. Neuroendocrine markers in adenocarcinomas: an investigation of 356 cases

    Institute of Scientific and Technical Information of China (English)

    Gen-You Yao; Ji-Lin Zhou; Mao-De Lai; Xiao-Qing Chen; Pei-Hui Chen

    2003-01-01

    AIM: To investigate the incidence of neuroendocrine (NE)cells and their hormone products in adenocarcinomas and evaluate their significance in clinical pathology and prognosis.METHODS: By using tissue sectioning and immunocytochemistry, 356 cases of adenocarcinomas were studied to examine the presence of chromorgranin and polypeptide hormones in adenocarcinoma samples from our hospital.RESULTS: The positive rate of NE cells and hormone products was 41.5 % (54/130) and 59.3 % (32/54), respectively in large intestinal adenocarcinoma cases; 39.6 % (38/96) and 36.8 % (14/38), respectively in gastric cancer cases; 38.1%(8/21) and 50.0 % (4/8), respectively in prostatic cancer cases; 21.0 % (17/81) and 17.6 % (3/17), respectively in breasr cancer cases; 17.9 % (5/28) and 60.0 % (3/5),respectively in pancreatic cancer cases. Among carcinomas of large intestine, pancreas and breast, the highly differentiated NE cell numbers were higher than the poorly differentiated NE cell numbers; while the gastric carcinoma cases had more poorly differentiated NE cells than highly differentiated NE cells. The higher detection rate of NE cells and their hormone products, the higher 5-year survival rate among the large intestine cancer cases.CONCLUSION: Close correlation was observed between NE cells and their hormone products with the cancer differentiations. For colorectal carcinomas, there is a close correlation of the presence of NE cells and their hormone products with the tumor staging and prognosis.

  9. Usual and unusual histologic patterns of high Gleason score 8 to 10 adenocarcinoma of the prostate in needle biopsy tissue.

    Science.gov (United States)

    Gottipati, Srinivas; Warncke, Jason; Vollmer, Robin; Humphrey, Peter A

    2012-06-01

    High Gleason score 8 to 10 adenocarcinoma is the most aggressive and potentially lethal form of prostate cancer. The 2005 International Society of Urological Pathology (ISUP)-modified Gleason grading scheme defines several gland arrangements of high Gleason grade patterns 4 and 5. The aim of this investigation was to quantitate the frequency of the ISUP-defined high Gleason grade patterns in needle biopsy tissue, to determine the common admixtures and to characterize patterns not presented in the 2005 ISUP report. For patients who underwent radical prostatectomy, we analyzed for association of specific high-grade patterns in needle biopsy with extraprostatic extension in radical prostatectomy tissues. A total of 268 prostate needle biopsy cases with Gleason score of 8 to 10 were examined. A mean of 3.6 patterns (range, 1 to 8) were identified per case and only 12% of cases had a pure single pattern. Ill-defined glands with poorly formed lumina (at 57%) and fused microacinar glands (at 53%) comprised the predominant and most frequently admixed patterns. Single cells and single signet ring cells were present in 53% and 31% of cases, respectively. Additional patterns in order of frequency included cords (35%), cribriform glands (25%), sheets of cells (19%), chains (4%), glomeruloid (3%), comedonecrosis (2%), and hypernephromatoid (1 case=0.3%). Gleason score 8 to 10 carcinomas are typically extensive in needle core tissue, with a mean of 4.4 positive cores (range, 1 to 15 cores) per case. Only 14 cases (5%) had high-grade minimal carcinoma measuring ISUP report include single file growth, solid cylinders, and nested patterns. The single file pattern was present in 40% of cases, and the small solid nested pattern was detected in 24% of cases. One case displayed solid cylinders. Only the single file pattern was associated with extraprostatic extension at radical prostatectomy (P=0.005). These results show that the 2005 ISUP-defined patterns of high Gleason score 8 to 10

  10. Cutaneous metastasis as a first presentation for lung adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Yazan Abdeen

    2016-01-01

    Full Text Available Context: According to the recent World Health Organization reports, lung cancer has become the most common type of malignancy and the leading cause of death from cancer. Lung cancer frequently metastasizes to hilar lymphnodes, brain, adrenal glands, bone, but rarely to skin. Case Report: We report a case of a 72-year-old male with a past medical history of pulmonary fibrosis and no prior history of smoking who presented to the emergency room for progressive dyspnea over three weeks. The patient reported having a rapidly growing scalp lesion as well. A computed tomography (CT scan of the chest showed diffuse fibrotic changes and multiple densities of different diameters; a CT guided biopsy of lung revealed a poorly differentiated adenocarcinoma. Excision of right scalp lesion was performed, and pathology revealed poorly differentiated malignant neoplasm favoring adenocarcinoma. Conclusion: We are presenting a rare case of lung adenocarcinoma presenting with skin metastasis, which was simultaneously diagnosed during the same hospitalization. Although cutaneous metastasis from the lung is rare, it must be ruled out in patients with suspicious skin lesions, smoking history, or lung cancer.

  11. A rare case of thyroid metastasis from pancreatic adenocarcinoma.

    LENUS (Irish Health Repository)

    Kelly, Michael E

    2012-02-01

    CONTEXT: Thyroid metastasis from pancreatic adenocarcinoma is extremely rare, with only two previous cases in the literature. We report a case of pancreatic adenocarcinoma metastasising to the thyroid. We review the incidence, diagnosis, and management of this rare occurrence. CASE REPORT: A 38-year-old man with a synchronous 6-month history of thyroid swelling, presented with epigastric pain and signs of obstructive jaundice. He was investigated by abdominal computerised tomography and endoscopic retrograde cholangiopancreatography. The diagnosis of pancreatic neoplasm was made. His thyroid neoplasm was investigated at another tertiary centre and thought to be a papillary neoplasm. He underwent a pancreaticoduodenectomy and recovered well post-operatively. Eight weeks later he had a total thyroidectomy. Histology confirmed that the thyroid mass was both morphologically and immunophenotypically similar to the pancreatic neoplasm. CONCLUSION: This case demonstrates the importance of a full investigation when a patient with suspected neoplastic history presents with a thyroid nodule. We outline the crucial role that immunohistochemistry plays in detecting and classifying primary and secondary thyroid neoplasms. The detection of a solitary thyroid metastasis from pancreatic adenocarcinoma may indicate a poor prognosis, and it is debatable whether resection of the primary should be undertaken when it presents with a solitary metastasis.

  12. Immunohistochemical staining of radixin and moesin in prostatic adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Becich Michael J

    2011-01-01

    Full Text Available Abstract Background Some members of the Protein 4.1 superfamily are believed to be involved in cell proliferation and growth, or in the regulation of these processes. While the expression levels of two members of this family, radixin and moesin, have been studied in many tumor types, to our knowledge they have not been investigated in prostate cancer. Methods Tissue microarrays were immunohistochemically stained for either radixin or moesin, with the staining intensities subsequently quantified and statistically analyzed using One-Way ANOVA or nonparametric equivalent with subsequent Student-Newman-Keuls tests for multiple comparisons. There were 11 cases of normal donor prostates (NDP, 14 cases of benign prostatic hyperplasia (BPH, 23 cases of high-grade prostatic intraepithelial neoplasia (HGPIN, 88 cases of prostatic adenocarcinoma (PCa, and 25 cases of normal tissue adjacent to adenocarcinoma (NAC analyzed in the microarrays. Results NDP, BPH, and HGPIN had higher absolute staining scores for radixin than PCa and NAC, but with a significant difference observed between only HGPIN and PCa (p = Conclusions To our knowledge, these studies represent the first reports on the expression profiles of radixin and moesin in prostatic adenocarcinoma. The current study has shown that there were statistically significant differences observed between HGPIN and PCa and HGPIN and NAC in terms of radixin expression. The differences in the moesin profiles by tissue type were not statistically significant. Additional larger studies with these markers may further elucidate their potential roles in prostatic neoplasia progression.

  13. Choline Transporters in Human Lung Adenocarcinoma: Expression and Functional Implications

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Choline is an essential nutrient for cell survival and proliferation, however, the expression and function of choline transporters have not been well identified in cancer. In this study, we detected the mRNA and protein expression of organic cation transporter OCT3, carnitine/cation transporters OCTN 1 and OCTN2,and choline transporter-like protein CTL1 in human lung adenocarcinoma cell lines A549, H1299 and SPC-A-1.Their expression pattern was further confirmed in 25 human primary adenocarcinoma tissues. The choline uptake in these cell lines was significantly blocked by CTL1 inhibitor, but only partially inhibited by OCT or OCTN inhibitors. The efficacy of these inhibitors on cell proliferation is closely correlated with their abilities to block choline transport. Under the native expression of these transporters, the total choline uptake was notably blocked by specific PI3K/AKT inhibitors. These results describe the expression of choline transporters and their relevant function in cell proliferation of human lung adenocarcinoma, thus providing a potential"choline-starvation" strategy of cancer interference through targeting choline transporters, especially CTL1.

  14. Endoscopic assessment and management of early esophageal adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Ghassan; M; Hammoud; Hazem; Hammad; Jamal; A; Ibdah

    2014-01-01

    Esophageal carcinoma affects more than 450000people worldwide and the incidence is rapidly increasing.In the United States and Europe,esophageal adenocarcinoma has superseded esophageal squamous cell carcinoma in its incidence.Esophageal cancer has a high mortality rates secondary to the late presentation of most patients at advanced stages.Endoscopic screening is recommended for patients with multiple risk factors for cancer in Barrett’s esophagus.These risk factors include chronic gastroesophageal reflux disease,hiatal hernia,advanced age,male sex,white race,cigarette smoking,and obesity.The annual risk of esophageal cancer is approximately 0.25%for patients without dysplasia and 6%for patients with high-grade dysplasia.Twenty percent of all esophageal adenocarcinoma in the United States is early stage with disease confined to the mucosa or submucosa.The significant morbidity and mortality of esophagectomy make endoscopic treatment an attractive option.The American Gastroenterological Association recommends endoscopic eradication therapy for patients with high-grade dysplasia.Endoscopic modalities for treatment of early esophageal adenocarcinoma include endoscopic resection techniques and endoscopic ablative techniques such as radiofrequency ablation,photodynamic therapy and cryoablation.Endoscopic therapy should be precluded to patients with no evidence of lymphovascular invasion.Local tumor recurrence is low after endoscopic therapy and is predicted by poor differentiation of tumor,positive lymph node and submucosal invasion.Surgical resection should be offered to patients with deep submucosal invasion.

  15. Targeting adhesion signaling in KRAS, LKB1 mutant lung adenocarcinoma

    Science.gov (United States)

    Konen, Jessica; Koo, Junghui; Robinson, Brian S.; Wiles, Walter Guy; Huang, Chunzi; Martin, W. David; Behera, Madhusmita; Smith, Geoffrey H.; Hill, Charles E.; Rossi, Michael R.; Sica, Gabriel L.; Rupji, Manali; Chen, Zhengjia; Kowalski, Jeanne; Kasinski, Andrea L.; Ramalingam, Suresh S.; Khuri, Fadlo R.; Marcus, Adam I.

    2017-01-01

    Loss of LKB1 activity is prevalent in KRAS mutant lung adenocarcinoma and promotes aggressive and treatment-resistant tumors. Previous studies have shown that LKB1 is a negative regulator of the focal adhesion kinase (FAK), but in vivo studies testing the efficacy of FAK inhibition in LKB1 mutant cancers are lacking. Here, we took a pharmacologic approach to show that FAK inhibition is an effective early-treatment strategy for this high-risk molecular subtype. We established a lenti-Cre–induced Kras and Lkb1 mutant genetically engineered mouse model (KLLenti) that develops 100% lung adenocarcinoma and showed that high spatiotemporal FAK activation occurs in collective invasive cells that are surrounded by high levels of collagen. Modeling invasion in 3D, loss of Lkb1, but not p53, was sufficient to drive collective invasion and collagen alignment that was highly sensitive to FAK inhibition. Treatment of early, stage-matched KLLenti tumors with FAK inhibitor monotherapy resulted in a striking effect on tumor progression, invasion, and tumor-associated collagen. Chronic treatment extended survival and impeded local lymph node spread. Lastly, we identified focally upregulated FAK and collagen-associated collective invasion in KRAS and LKB1 comutated human lung adenocarcinoma patients. Our results suggest that patients with LKB1 mutant tumors should be stratified for early treatment with FAK inhibitors.

  16. Case Report: Bazex Syndrome Associated With Pulmonary Adenocarcinoma.

    Science.gov (United States)

    Zhao, Jing; Zhang, Xilin; Chen, Zhuo; Wu, Jian-Hua

    2016-01-01

    Bazex syndrome, a rare paraneoplastic syndrome characterized by psoriasiform eruptions, palmoplantar keratosis, and symmetric onychodystrophy, is most prevalent with squamous cell carcinomas of the upper aerodigestive tract.Here, we reported an uncommon case of Bazex syndrome about an 83-year-old man with pulmonary adenocarcinoma and osseous metastasis, Physical examination found psoriasiform eruptions on the nose, cheeks, ears, knees, and the dorsa of interphalangeal joints, along with plantar keratosis and symmetric onychodystrophy involving hands and feet. Imaging analyses pulmonary adenocarcinoma with both local metastatic nodules and osseous metastasis.Symptomatic treatment with topical corticosteroids and oral retinoids showed no improvement. A 4-month follow-up showed that Gefitinib, an epidermal growth factor receptor tyrosine kinase inhibitor, successfully reduced primary tumor size and alleviated cutaneous lesions.Our report here highlighted a potential correlation between pulmonary adenocarcinoma and Bazex syndrome, which is characterized by hallmark nail destruction and preferential involvement of body extremities. Moreover, etiological therapy against underlying malignancy is essential for treating paraneoplastic Bazex syndrome.

  17. Esophageal Adenocarcinoma Developing after Eradication of Helicobacter pylori

    Directory of Open Access Journals (Sweden)

    Yasuhiko Abe

    2011-07-01

    Full Text Available A 75-year-old man underwent endoscopic hemostatic therapy for hemorrhagic gastric ulcer in September 2002. After healing of the gastric ulcer, he underwent Helicobacter pylori eradication therapy in February 2003. In August 2007, an irregular tumor was detected in the lower esophagus at annual checkup for gastric cancer screening using X-ray. Endoscopic examination showed that the lower margin of the tumor almost coincided with the esophagogastric junction and that a short segment of Barrett’s epithelium existed near the tumor. Biopsies of the tumor showed moderately to poorly differentiated adenocarcinoma. Mild reflux esophagitis and minor hiatal hernia was also observed, and the previously treated gastric ulcer was not recurrent. Absence of H. pylori was confirmed by serum antibody and urea breath test. Surgical resection of the lower esophagus and proximal stomach was performed. The tumor invaded into the muscularis propria of the esophageal wall but had no evidence of lymph node metastasis. Based on macroscopic and pathological findings, the tumor was recognized as esophageal adenocarcinoma. Previous endoscopic examination did not detect any apparent signs of tumor in the esophagogastric junction. As far as we know, this is the first report documenting a newly developed esophageal adenocarcinoma after the successful eradication of H. pylori.

  18. Small Undifferentiated Pancreatic Adenocarcinoma which Mimics IPMN at Imaging

    Directory of Open Access Journals (Sweden)

    Mirko D’Onofrio

    2009-07-01

    Full Text Available Context To present the case of an unusual presentation at imaging of a very small solid undifferentiated pancreatic adenocarcinoma which mimics a side-branch intraductal papillary mucinous neoplasm. Case report The patient came to our hospital for a revaluation of a cystic pancreatic lesion. Ultrasound (US and contrast-enhanced ultrasound (CEUS examinations were carried out. A small cystic lesion of about 1.5 cm in diameter was seen in the posterior aspect of the pancreatic uncinate process A very small, solid, vascularized nodule was detected at CEUS within the lesion. Consequently, the patient underwent CT and MRI. MRI confirmed the presence of an intralesional nodule and communication with the main pancreatic duct was demonstrated, suggesting the diagnosis of intraductal papillary mucinous neoplasm with solid intralesional tissue. A pylorus preserving pancreaticoduodenectomy was carried out. An undifferentiated adenocarcinoma having a notable peripheral inflammatory reaction and dilated branch duct was finally diagnosed. Conclusion To our knowledge, we present for the first time, the case of a very small solid undifferentiated pancreatic adenocarcinoma of the uncinate process which mimicked a side-branch intraductal papillary mucinous neoplasm at imaging. The cystic appearance may be an epiphenomenon of a solid lesion and this possibility has to be considered when one encounters incidental cystic lesions at imaging.

  19. Synchronous Appearance of Adenocarcinoma and Gastrointestinal Stromal Tumour (GIST) of the Stomach: A Case Report.

    Science.gov (United States)

    Telugu, Ramesh Babu; Pushparaj, Magesh; Masih, Dipti; Pulimood, Anna

    2016-02-01

    Adenocarcinoma is the most common histological type of gastric tumour, accounting for approximately 95% of all gastric carcinomas. Gastrointestinal stromal tumours (GISTs) are rare mesenchymal neoplasms of the digestive tract. Synchronous adenocarcinoma and gastrointestinal stromal tumour (GIST) occurring in the stomach is rare and very few cases have been reported in literature. Synchronous tumours in the stomach are rarely diagnosed preoperatively. A 63-year-old gentleman was diagnosed with a gastric adenocarcinoma on endoscopic biopsy and underwent surgery. Postoperative histopathologic examination revealed 2 synchronous tumours with both adenocarcinoma and GIST. The adenocarcinoma was determined to be the aggressive tumour based on histologic features. GIST was categorized as a very low risk of malignancy, based on its size and mitosis. The patient underwent chemotherapy for adenocarcinoma. He is under follow up and is currently disease free. Careful histopathologic evaluation is required to detect co-existing rare synchronous tumours. Presence of the second tumour may require additional procedures or protocols.

  20. Chylothorax in gastric adenocarcinoma: A case report and systematic review of the English literature

    OpenAIRE

    2014-01-01

    Background: Chylothorax is a rare complication of gastric adenocarcinoma and data on its identification, prevalence and outcomes are scant. Objectives: To enable identification of gastric carcinoma as a cause of chylothorax. Methods: A case report and a systematic review were conducted of all reported cases of gastric adenocarcinoma with chylothorax as the presenting complaint in the English literature. Results: Chylothorax is a rare presenting complaint of gastric adenocarcinoma. There are o...

  1. Relationship between clinicopathological features and mucin phenotypes of advanced gastric adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Fumiaki; Toki; Atsushi; Takahashi; Ryusuke; Aihara; Kyoichi; Ogata; Hiroyuki; Ando; Tetsuro; Ohno; Erito; Mochiki; Hiroyuki; Kuwano

    2010-01-01

    AIM: To investigate a relationship between the clinicopathological features and mucin phenotypes in advanced gastric adenocarcinoma (AGA). METHODS: Immunohistochemical staining was performed to determine the mucin phenotypes in 38 patients with differentiated adenocarcinomas (DACs), 9 with signet-ring cell carcinomas (SIGs), and 48 with other diffuse-type adenocarcinomas (non-SIGs) of AGA. The mucin phenotypes were classified into 4 types: gastric (G), gastrointestinal (GI), intestinal, and unclassified. RE...

  2. Survival after adjuvant chemoradiotherapy or surgery alone in resectable adenocarcinoma at the gastro-esophageal junction

    DEFF Research Database (Denmark)

    Kofoed, Steen Christian; Muhic, A; Jensen, Lene Bæksgaard;

    2012-01-01

    Longterm survival after curative resection for adenocarcinoma at the gastro-esophageal junction (GEJ) range between 18% and 50%. In the pivotal Intergroup-0116 Phase III trial by Macdonald et all, adjuvant chemoradiotherapy improved both disease-free and overall survival in curatively resected...... patients with mainly gastric adenocarcinoma. We compared survival data for curatively resected patients with adeno-carcinoma solely at the gastro-esophageal junction (GEJ), treated with surgery alone or surgery and adjuvant chemoradio-therapy....

  3. Barrett’s oesophagus and oesophageal adenocarcinoma: time for a new synthesis

    OpenAIRE

    2010-01-01

    The public health importance of Barrett’s oesophagus lies in its association with oesophageal adenocarcinoma. The incidence of oesophageal adenocarcinoma has risen at an alarming rate over the past four decades in many regions of the Western world and there are indications that the incidence of this disease is on the rise in Asian populations where it has been rare. Much has been learned of host and environmental risk factors that affect the incidence of oesophageal adenocarcinoma and data in...

  4. Presacral Teratocarcinoma Presenting as Anal Fistula and Rectal Adenocarcinoma: A Unique Case Presentation and Literature Review

    Directory of Open Access Journals (Sweden)

    S.P. Ho

    2012-02-01

    Full Text Available Somatic malignancy arising from presacral or retroperitoneal primary teratoma is extremely rare. We report the case of a 37-year-old male patient with adenocarcinoma of respiratory type arising from primary presacral teratoma, but which first presented as anal fistula and rectal adenocarcinoma. The two tumors show the same morphology and immunophenotype (CK7–CK20+CDx2+. Malignant adenocarcinoma transformations from the normal respiratory epithelium are also found. To the best of our knowledge, this is the second case of respiratory type adenocarcinoma arising from primary presacral mature cystic teratoma.

  5. A case with primary signet ring cell adenocarcinoma of the prostate and review of the literature

    Directory of Open Access Journals (Sweden)

    Orcun Celik

    2014-06-01

    Full Text Available Primary signet cell carcinoma of the prostate is a rare histological variant of prostate malignancies. It is commonly originated from the stomach, colon, pancreas, and less commonly in the bladder. Prognosis of the classical type is worse than the adenocarcinoma of the prostate. Primary signet cell adenocarcinoma is diagnosed by eliminating the adenocarcinomas of other organs such as gastrointestinal tract organs. In this case report, we present a case with primary signet cell adenocarcinoma of the prostate who received docetaxel chemotherapy because of short prostate specific antigen doubling time.

  6. Clear cell adenocarcinoma of a female urethra: A case report and review of the literature

    Directory of Open Access Journals (Sweden)

    Amel Trabelsi

    2009-01-01

    Full Text Available Context : Clear cell adenocarcinoma of the urethra is an extremely rare tumour. Its histogenetic derivation remains controversial. Case report : We report a new case of clear cell adenocarcinoma of the proximal urethra in a 56-year-old woman who presented with grossly hematuria. Urethral cystoscopy revealed a tumour protruding from the posterior urethral wall at the bladder neck. Treatment consisted of urethrocystectomy with pelvic lymph node dissection. Histologically, the neoplasm consisted of clear cell adenocarcinoma of the urethra. Conclusion : It appears that female urethral adenocarcinoma has more than one tissue of origin.

  7. Small intestine adenocarcinoma in conjunction with multiple adenomas causing acute colic in a horse.

    Science.gov (United States)

    Moran, Juan A Muñoz; Lemberger, Karin; Cadoré, Jean-Luc; Lepage, Olivier M

    2008-01-01

    An 11-year-old Andalusian stallion developed marked signs of colic associated with an acute small intestine obstruction. Exploratory laparotomy revealed a distal jejunum full-thickness wall induration and multiple small adherent intraluminal masses. Fifteen centimeters of jejunum, including the induration, and several intraluminal masses were resected. Histologic examination revealed an adenocarcinoma and multiple polypoid adenomas. The horse was discharged, and no complications were reported 12 months postoperatively. Colic was considered secondary to partial jejunal lumen obstruction by the adenocarcinoma. Adenocarcinoma recurrence or transformation from remaining adenomas into an adenocarcinoma is still a major risk.

  8. Patients with ≥ 20 × 10(9)/l platelets at baseline may have a prompt response to romiplostim during the early phase of treatment: an italian single-institution experience.

    Science.gov (United States)

    Baldini, Simone; Rigacci, Luigi; Carrai, Valentina; Alterini, Renato; Fjerza, Rajmonda; Bosi, Alberto

    2012-01-01

    Patients with chronic immune thrombocytopenia treated with romiplostim may benefit from a higher starting dose when a rapid increase in count is needed, but it could be avoided in those with a prompt response to the standard dosage. We hypothesized that a platelet count ≥ 20 × 10(9)/l at baseline could distinguish subjects with such response from those with a delayed one during the early phase of treatment. Our work is a retrospective and single-institution analysis comparing the median platelet count, the median weekly dosage of romiplostim and the median number of weekly platelet counts < 50 × 10(9)/l between patients with a baseline ≥ 20 × 10(9)/l platelets (n=10, 2 splenectomized) and those with a lower one (n=8, 3 splenectomized) during the first month of treatment with romiplostim. The results show a higher median platelet count (79,5 vs 40,5 × 10(9)/l, p=0,002) and a lower median dose of romiplostim (1 vs 2 mcg/kg/week, p=0,01) in subjects with a baseline ≥ 20 × 10(9)/l platelets, who also had a trend of less weekly counts < 50 × 10(9)/l platelets (1 vs 2, p=0,054). These data suggest that patients with ≥ 20 × 10(9)/l platelets at baseline may achieve a prompt response with the standard dose of romiplostim, but further and larger data are needed in order to assess whether it can be considered in clinical practice.

  9. Trefoil factor 3 as a novel biomarker to distinguish between adenocarcinoma and squamous cell carcinoma.

    Science.gov (United States)

    Wang, Xiao-Nan; Wang, Shu-Jing; Pandey, Vijay; Chen, Ping; Li, Qing; Wu, Zheng-Sheng; Wu, Qiang; Lobie, Peter E

    2015-05-01

    In carcinoma, such as of the lung, the histological subtype is important to select an appropriate therapeutic strategy for patients. However, carcinomas with poor differentiation cannot always be distinguished on the basis of morphology alone nor on clinical findings. Hence, delineation of poorly differentiated adenocarcinoma and squamous cell carcinoma, the 2 most common epithelial-origin carcinomas, is pivotal for selection of optimum therapy. Herein, we explored the potential utility of trefoil factor 3 (TFF3) as a biomarker for primary lung adenocarcinoma and extrapulmonary adenocarcinomas derived from different organs. We observed that 90.9% of lung adenocarcinomas were TFF3-positive, whereas no expression of TFF3 was observed in squamous cell carcinomas. The subtype of lung carcinoma was confirmed by four established biomarkers, cytokeratin 7 and thyroid transcription factor 1 for adenocarcinoma and P63 and cytokeratin 5/6 for squamous cell carcinoma. Furthermore, expression of TFF3 mRNA was observed by quantitative PCR in all of 11 human lung adenocarcinoma cell lines and highly correlated with markers of the adenocarcinomatous lineage. In contrast, little or no expression of TFF3 was observed in 4 lung squamous cell carcinoma cell lines. By use of forced expression, or siRNA-mediated depletion of TFF3, we determined that TFF3 appeared to maintain rather than promote glandular differentiation of lung carcinoma cells. In addition, TFF3 expression was also determined in adenocarcinomas from colorectum, stomach, cervix, esophagus, and larynx. Among all these extrapulmonary carcinomas, 93.7% of adenocarcinomas exhibited TFF3 positivity, whereas only 2.9% of squamous cell carcinomas were TFF3-positive. Totally, 92.9% of both pulmonary and extrapulmonary adenocarcinomas exhibited TFF3 positivity, whereas only 1.5% of squamous cell carcinomas were TFF3-positive. In conclusion, TFF3 is preferentially expressed in adenocarcinoma and may function as an additional

  10. Institutions, Institutional Change, Language, and Searle

    NARCIS (Netherlands)

    W.A. Dolfsma (Wilfred); R. McMaster; J. Finch

    2005-01-01

    textabstractThis paper endeavours to contribute to the growing institutionalist literature on the conception of the institution. We draw from John Davis’ (2003) analysis of the individual in posing the questions: what differentiates institutions, and how can changing institutions be identified thro

  11. A common genetic variation of melanoma inhibitory activity-2 labels a subtype of pancreatic adenocarcinoma with high endoplasmic reticulum stress levels

    OpenAIRE

    Erkan, Murat Mert; Kong, Bo; Wu, Weiwei; Valkovska, Nataliya; Jager, Carsten; Hong, Xin; Nitsche, Ulrich; Friess, Helmut; Esposito, Irene; Kleeff, Joerg; Michalski, Christoph W.

    2015-01-01

    A common genetic variation of melanoma inhibitory activity-2 labels a subtype of pancreatic adenocarcinoma with high endoplasmic reticulum stress levels Bo Kong1, Weiwei Wu1, Nataliya Valkovska1, Carsten Ja¨ger1, Xin Hong1, Ulrich Nitsche1, Helmut Friess1, Irene Esposito2, Mert Erkan3, Jo¨rg Kleeff1* & Christoph W. Michalski4* 1Department of Surgery, Technische Universita¨t Mu¨nchen, Munich, Germany, 2Institute of Pathology, Technische Universita¨t Mu¨nchen, Munich, Ge...

  12. ATRA AS A POTENTIAL ANTIMETASTATIC AGENT IN COLORECTAL ADENOCARCINOMA

    Directory of Open Access Journals (Sweden)

    Robert Edwards

    2014-01-01

    Full Text Available The family of Retinoic acid compounds have long been the subject of intense study and interest as chemo prophylactic agents. This dates back to their therapeutic effect in leukoplakia Where ATRA was shown to lead to the reversal of premalignant lesions and Subsequent reports on their use in metastatic colorectal adenocarcinoma and a vast array of other malignant disorders as well as adjuvant treatment of loco regional head and neck and colorectal adenocarcinoma. All-trans retinoic acid has transformed the treatment and outcome of patients with acute promyelocytic leukemia by differentiating leukemic promyelocytes into mature cells. Retinoid Receptor knock out mouse models also serve as excellent proof for the critical role of retinoids in embryogenesis, specifically their vital role in heart and blood vessel development, CNS specification, fetal lung development and proper limb morphogenesis. Here we show the results of our first phase of in vitro studies of the interaction of ATRA with the Gut homing Receptor, CCR9. Hypoxia up regulates CCR9 expression in CCIC, while ATRA down regulates CCR9 expression in hypoxic CCIC. In contrast, HT29 cells express significantly less CCR9 which is up regulated by hypoxia and further enhanced by ATRA treatment. We conclude that CCIC (representing a colon cancer stem-like line respond differently to ATRA treatment Vs. a less stem-like, more differentiated cancer cell line such as HT-29. These results support a potential clinical use of ATRA early in the natural history of CRC in order to abort or slow down the process of metastasis in colorectal adenocarcinoma which is the ultimate killer of such patients. They also signify the critical significance of the time window and intratumoral heterogeneity in the final outcome of our intervention with ATRA in the treatment of CRC.

  13. Cerebral metastasis from hepatoid adenocarcinoma of the stomach

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    We first report a rare case of metastasis from gastric hepatoid adenocarcinoma (HAC) to cerebral parenchyma, in a 50-year-old Chinese patient. He complained of a one-month history of a paroxysm of headache in the left temple and pars parietalis accompanied with binocular caligation caligo, insensible feeling of limbs and transient anepia. Magnetic resonance (MR) imaging revealed a spherical occupying lesion in the left posterior-temple lobe which was clinically diagnosed as a metastatic tumor. Three years ago, the patient accepted total gastrectomy as he was pathologically diagnosed at gastroscopy having an adenocarcinoma. Eight months after gastrectomy, the occupying lesion in liver was detected by ultrasound and CT, and he accepted transcatheter arterial embolization. Before operation of the brain metastasis, no obvious abnormality was found in liver by ultrasound. Histopathological characteristics of the brain tumor were identical to those of stomach tumor. The growth pattern of both tumors showed solid cell nests. The tumor cells were polygonal, and had abundant eosinophilic cytoplasm and round nuclei with obvious nucleoli. Sinusoid-like blood spaces were located between nodular tumor cells. Immunohistochemistrystained tumor cells were positive for AFP and negative for Hep-Par-1. According to these histopathological findings, both tumors were diagnosed as HAC and metastatic HAC. The patient remained alive 16 mo after tumorectomy of the cerebral metastasis. The differential diagnosis of brain metastasis from metastatic tumors should use a panel of antibodies to avoid confusing with the brain metastasis of hepatocellular carcinoma (HCC). This paper describes this rare case of metastasis from gastric hepatoid adenocarcinoma to cerebral parenchyma, and provides a review of the literature concerning its histopathological and immunohistochemical characteristics.

  14. Hepatic Artery Chemotherapy for Advanced Adenocarcinoma of the Pancreas

    Directory of Open Access Journals (Sweden)

    Robert Levin

    2016-08-01

    Full Text Available Context Seventy patients with adenocarcinoma of the pancreas with liver metastases, received chemotherapy every four weeks and their outcomes are reported in this retrospective series. Objective Advanced adenocarcinoma of the pancreas has a poor prognosis with only 2% 5-year survival reported by SEER (Surveillance, Epidemiology and End Results of the NCI. Chemotherapy given as intra-arterial perfusions is more intense than intravenous chemotherapy. Responses in perfused tumor is expected to be better than that obtained with only intravenous chemotherapy. Design Hepatic artery therapy is given monthly as a 5 hour perfusion of the hepatic artery using DDP and MIC. Also given is monthy Intravenous (IV therapy with four hours of Leucovorin (LV, with an injection of FUDR during the last hour of LV, daily x 5 days. Setting all therapy was given at Midwestern Regional Medical Center. Patients Thirty seven patients had no prior chemotherapy, while 33 patients had progressed after prior IV chemotherapy. Intervention Hepatic artery therapy with IV LV-FUDR was given for up to six months depending upon marrow tolerance and response. At that point, if response was ongoing or improving, therapy was continued monthly with only IV LV-FUDR; all therapy was stopped whenever progressive disease was evident. Results of those without prior chemotherapy, the mean overall survival (OS was 17.3 ± 30.2 months (mean±SD, ranging up to 13 years. Six patients survived more than three years with four are living in continuing complete remission for more than five years. Conclusion This therapy offers the opportunity for long term survival in a subset of patients with metastatic adenocarcinoma of the pancreas who have liver metastases, and some patients can be cured.

  15. Simultaneous large cell neuroendocrine carcinoma and adenocarcinoma of the stomach

    Institute of Scientific and Technical Information of China (English)

    Tadashi Terada; Hirotoshi Maruo

    2011-01-01

    A large cell neuroendocrine carcinoma (LCNEC) of the stomach is very rare. A 76-year-old Japanese man was admitted to our hospital because of epigastralgia and nausea. Endoscopy revealed 2 large tumors in the stomach. He did not have multiple endocrine neoplasia type Ⅰ or Zollinger-Ellison syndrome. Imaging modali-ties, including computed tomography and magnetic resonance imaging, revealed no other tumors. Gas-trectomy, cholecystectomy, and lymph node dissection were performed. The resected stomach had 2 tumors: one was an antral ulcerated type 3 tumor measuring 5 cm x 5 cm, and the other was a polypoid type 1 tumor measuring 6 cm x 6 cm x 3 cm in the fundus. Micro-scopically, the antral ulcerated tumor was a well differ-entiated adenocarcinoma with deep invasion. The fun-dus polypoid tumor was a LCNEC, being composed of malignant large cells arranged in trabecular and nested patterns. The tumor cells were large and the nuclei were vesicular. Nucleoli were frequently present, and there were many mitotic figures, apoptotic bodies, and necrotic areas. Much lymphovascular permeation was seen. Seven out of 29 dissected lymph nodes showed metastatic foci; 6 were from the LCNEC and 1 from the adenocarcinoma. Many intravascular tumor emboli of LCNEC were seen in the peritoneum around the lymph nodes. Mucins were present in the adenocarcinoma but not in the LCNEC. Immunohistochemically, the LCNEC tumor cells were positive for pancytokeratins, synaptophysin (50% positive), chromogranin A (10% positive), Ki-67 (90% labeled), and platelet-derived growth factor-α (80% positive). They were negative for KIT, p53, CD56, and neuron-specific enolase. The non-cancerous stomach showed a normal number of endocrine cells. The patient is now treated with adju-vant chemotherapy.

  16. Spontaneous necrosis of solid gallbladder adenocarcinoma accompanied with pancreaticobiliary maljunction

    Institute of Scientific and Technical Information of China (English)

    Tomohide Hori; Takashi Wagata; Kenji Takemoto; Takanobu Shigeta; Haruko Takuwa; Koichiro Hata; Shinji Uemoto; Naoki Yokoo

    2008-01-01

    A 71-year-old Japanese man with acute cholecystitis and an incarcerated gallbladder (GB) stone was admitted. Plain ultrasonography (US) incidentally detected a mass-like lesion in the fundus. Doppler US revealed that this elevated lesion had no blood flow. Computed tomography showed a relatively low-density mass, measuring 5 cm×4 cm in diameter, with no positive enhancement. Magnetic resonance imaging showed a mass in the fundus with a slightly low intensity on T1-weighted images and a slightly high intensity on T2-weighted images. We were agonized in making the qualitative diagnosis of mass-like lesions of the fundus, such as a benign tumor, cancer, or debris. We performed laparoscopic cholecystectomy, because the incarcerated GB stone clearly caused acute cholecystitis. Intra-operative cholangiography clearly revealed pancreaticobiliary maljunction. Amylase levels in the common bile duct and gallbladder were quite high. The elevated lesion in the fundus clearly showed severe necrosis. Although this necrotic nodule included non-viable adenocarcinoma cells, viable cancer cell nests were located in the muscularis propria and subcutaneous layer. Histopathological examination confirmed a solid adenocarcinoma. Thus, we diagnosed it as a gallbladder cancer, based on histopathological analysis of the resected specimen. We therefore undertook radical surgery, including wedge resection of the liver, radical dissection of regional lymph nodes, and resection of the extrahepatic bile duct. Histopathological findings revealed no cancer, hyperplasia or dysplasia in the additionally resected specimens. The patient was finally staged as T2, NO, H0, P0, M(-), stage 11. We present the first case of spontaneous necrosis of solid gallbladder adenocarcinoma, with a review of previous studies.

  17. The expression patterns of p53 and p16 and an analysis of a possible role of HPV in primary adenocarcinoma of the urinary bladder.

    Directory of Open Access Journals (Sweden)

    Riley E Alexander

    Full Text Available BACKGROUND: Primary adenocarcinoma of the urinary bladder is rare. The molecular and cellular events leading to its pathogenesis are not well delineated. The goal of this study was to investigate p53 and p16 expression, as well as HPV status, in a relatively large series of primary bladder adenocarcinomas. MATERIALS AND METHODS: Thirty six cases of urinary bladder adenocarcinoma were chosen from participating institutions. The diagnosis and available clinical history were reviewed in each case. Immunostains for p53, p16 and HPV and high-risk and low-risk HPV-ISH were performed on all tumors. RESULTS: Patients had an average age of 61 years with a male predominance (1.5 ∶ 1 male ∶ female ratio. The average tumor size in cystectomy specimens was 4.3 cm. Of the cases managed by transurethral resection, 40% were pT2 at the time of diagnosis. In cystectomy specimens, 77% were either pT3 or pT4. Strong nuclear p16 expression was seen in 67% of all cases and p53 expression was present in 58% of the cases. Expression of both markers was seen in 33% of cases. Expression of p16 or p53 alone was present in 12 (33% and 9 (25% cases, respectively. Neither marker was expressed in only 3 (8% of the tumors. No significant correlation between clinical variables and any of the markers we studied was identified. No HPV infection was detected in any case. CONCLUSIONS: Expression of p53 and/or p16 is very common in urinary bladder adenocarcinoma. These findings implicate a high likelihood that alterations in these cell cycle proteins contribute to the pathogenesis of these tumors. Despite frequent immunohistochemical labeling for p16, no evidence of HPV infection was found.

  18. Therapeutic Endoscopic Ultrasonography: Intratumoral Injection for Pancreatic Adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Lawrence A. Shirley

    2013-01-01

    Full Text Available Pancreatic adenocarcinoma is an aggressive disease that has poor outcomes despite maximal traditional therapies. Thus, treatment of this cancer demands innovative strategies to be used in addition to standing therapies in order to provide new avenues of care. Here, we describe the technique of using endoscopic ultrasound in order to directly inject both novel and conventional therapies into pancreatic tumors. We detail the rationale behind this strategy and the many benefits it provides. We then describe our technique in detail, including our experience injecting the AdV-tk adenoviral vector to create an in situ vaccine effect.

  19. SIGNET-RING MUCINOUS ADENOCARCINOMA OF THE PANCREAS

    Institute of Scientific and Technical Information of China (English)

    W.H.Chow; LouisT.C.Chow

    1994-01-01

    An 88-year-old man presented symptoms and signs of ascending cholangitis and died 20 days after the onset of illness.Postmortem examination revealed a mucinous tumor arising from the head of the pancreas,encasing the common bile duct and invading the liver with multiple hepatic metastasis.The tumor showed a unique and uniform histological appearance,consisting of signet-ring neoplastic cells floating in mucin pools.The rapid clinical course and widespread hepatic metastasis of this patient suggest that this pure,signet-ring variant of mucinous adenocarcinoma of the pancreas might have a poorer prognosis.

  20. Villoglandular papillary adenocarcinoma of the uterine cervix with immunohistochemical characteristics.

    Science.gov (United States)

    Polat, A; Düsmez, D; Pata, O; Aydin, O; Egilmez, R

    2002-09-01

    Villoglandular papillary adenocarcinoma of uterine cervix has been recently described and to date fewer than a hundred cases have been reported in the world literature. Here we present a 38-year-old woman who underwent radical hysterectomy combined bilateral pelvic lymphoadenectomy and after 28 months postoperatively no lymph node metastasis and no evidence of recurrent disease ocurred. Immunohistochemically Ki-67 overexpression was detected in the tumour, with no immunoreactivity with p53, estrogen and progesteron receptors and broadly-reactive human papilloma virus including types 6, 11, 16, 18, 31, 33, 42, 51, 52, 56, and 58. In this paper, clinical, macroscopical, microscopical and immunohistochemical characteristics of this tumour are reviewed.

  1. Phenotypic Classification of Well-Differentiated Gastric Adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Ying Wu; Zhong-wu Li; Ji-you Li

    2009-01-01

    Objective: To investigate the genotypes of well-differentiated non-cardiac gastric adenocarcinoma and their clinicopathological significance.Methods: Sixty-four cases of well-differentiated non-cardiac gastric adenocarcinoma were included in this study. The expressions of intestinal phenotypic markers including CDX2, MUC2, Li-cadherin, CD10, Hepatocyte(Hep) and Villin, and gastric phenotypic markers including MUC5AC and pS2 were detected immunohistochemically. Based on the expressions of phenotypic markers, 64 cases can be divided into four phenotypes. Cases only expressing intestinal phenotypic markers were classified as intestinal phenotype; cases only expressing gastric phenotypic markers as gastric phenotype; cases expressing both intestinal and gastric phenotypic markers as gastrointestinal phenotype; and cases expressing neither intestinal nor gastric phenotypic marker as null phenotype. The association of phenotype and clinic-pathological parameters was analyzed. We also detected the expressions of markers related to the development and progression of cancer, including Rb, P53, c-Met, MIF, TGF-β-RII, β-catenin, CD44v6 and E-cadherin.Results: Of 64 cases, 33(51.6%) were intestinal type, 3(4.7%) were gastric type, 25(39.1%) were gastrointestinal type and 3(4.7%) were null type. Fifty-eight cases were either intestinal or gastrointestinal type, which accounted for 90.6% of all the cases. In addition, there was an association between phenotype and biological behaviors (invasion or metastasis). The biological behaviors of intestinal and gastrointestinal type were better than gastric type. Compared with intestinal, gastric and gastrointestinal types, the biological behaviors of null type were the most aggressive. The biological behaviors of gastric carcinoma tended to be better as the number of expression of intestinal markers increased. Expression of markers related to the development and progression of cancer was not significantly correlated with phenotypes

  2. Gastric adenocarcinoma inducing portal hypertension: A rare presentation

    Institute of Scientific and Technical Information of China (English)

    Pradipta Ghosh; Katsumi Miyai; Mario Chojkier

    2007-01-01

    Advanced gastric cancer usually presents with symptoms due to direct extension into adjacent viscera, distant metastases from lymphatic or hematogenic dissemination and peritoneal seeding. However, portal hypertension as a presentation of metastatic gastric cancer is rare and usually seen in association with other malignancies, e.g. hepatocellular and pancreatic carcinoma. We report a case of signet ring adenocarcinoma of the stomach that presented with esophageal and duodenal varices and bleeding due to portal hypertensive gastropathy. Pagetoid spread of cancer cells likely caused early metastasis and the unusual presentation. We also discussed the pathophysiology of development of portal hypertension in association with malignancies.

  3. Oral malignant acanthosis nigricans associated with endometrial adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Han-Wen Chu; Jing-Min Li; Guan-Fu Chen; Jing-Yuan Ma

    2014-01-01

    We report a 59-year-old patient with malignant acanthosis nigricans associated with metastasis of endometrial carcinoma. The patient presented papillomatosis lesions that appeared to be benign on multiple skins of body folds, particularly on lips. The lesions in lips and axilla had histological characteristic appearances of acanthosis nigricans, while the masses in abdomen and pelvis were metastasis endometrial adenocarcinoma. The article highlights the importance of biopsy and histopathological diagnosis in presumed benign lesions and the role of doctors in screening for body internal tumors.

  4. Uterine adenocarcinoma with abdominal carcinomatosis in a beluga whale.

    Science.gov (United States)

    Lair, S; De Guise, S; Martineau, D

    1998-04-01

    A case of uterine adenocarcinoma is reported in a 26-yr-old, free-ranging beluga whale (Delphinapterus leucas) from the St. Lawrence estuary (Quebec, Canada). This neoplasm appeared as a segmental stenotic thickening of the left uterine horn composed of well differentiated, but disorganized and infiltrative, glandular structures surrounded by an extensive scirrhous stroma. Abdominal carcinomatosis was observed on the mesosalpinx and on the serosal aspect of the gastric compartments. This is the first report of a malignancy originating in the uterus of a cetacean.

  5. Adenocarcinoma of the lung presenting with atypical cystic brain lesions

    Science.gov (United States)

    Costa, Ricardo; Costa, Rubens B; Bacchi, Carlos; Sarinho, Filipe

    2014-01-01

    Brain metastases occur in up to 10–30% of patients with cancer. Metastatic lesions are usually diagnosed as multiple mass lesions at the junction of the grey and white matter with associated perilesional vasogenic oedema. Cysticercosis is an endemic disease in underdeveloped countries of Africa, Central and South America and is the most common parasitic infection of the central nervous system. The classical radiological finding of neurocysticercosis is cystic lesions showing the scolex in the brain parenchyma. We report a case of metastatic adenocarcinoma of the lung presenting with cystic brain lesions mimicking neurocysticercosis. PMID:24717598

  6. Histopathological spectrum of polymorphous low-grade adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Varun Surya

    2015-01-01

    Full Text Available Polymorphous low-grade adenocarcinomas (PLGA are distinctive salivary gland neoplasms, with an almost exclusive propensity to arise from the minor salivary glands. PLGA frequently manifests as an asymptomatic, slow-growing mass within the oral cavity, which must be separated from adenoid cystic carcinoma and benign mixed tumor for therapeutic and prognostic considerations. We report a case of a 67-year-old male, who presented with a long-standing mass in the palate. This lesion was diagnosed as PLGA based on histopathological findings, which was further confirmed by the immunohistochemical marker.

  7. ANO1 (TMEM16A) in pancreatic ductal adenocarcinoma (PDAC)

    DEFF Research Database (Denmark)

    Sauter, Daniel Rafael Peter; Novak, Ivana; Pedersen, Stine Helene Falsig;

    2015-01-01

    Pancreatic ductal adenocarcinoma (PDAC) has one of the worst survival rates of all cancers. ANO1 (TMEM16A) is a recently identified Ca2+-activated Cl- channel (CaCC) that is upregulated in several tumors. Although ANO1 was subject to extensive studies in the recent years, its pathophysiological f...... intracellular calcium concentration. Functional studies on PDAC behavior showed that surprisingly inhibition of ANO1 did not influence cellular proliferation. On the other hand, we found ANO1 channel to be pivotal in PDAC cell migration as assessed in wound healing experiments....

  8. Transdiaphragmatic adrenalectomy for metastatic cervical adenocarcinoma: a technical case report

    Directory of Open Access Journals (Sweden)

    Robert B. Dorman

    2010-11-01

    Full Text Available We present a 60-year old woman with recurrent cervical adenocarcinoma who presented with metastasis to both lungs and to her right adrenal gland. A thoracotomy was performed for resection of her pulmonary metastasis and then the right adrenal gland was excised through a trans-diaphragmatic approach. The adrenal gland resection was more complex due to involvement of the tumor with the inferior vena cava (IVC which was repaired with a PTFE patch graft. This case demonstrates both an interesting approach to surgical resection of multiple metastases as well as a safe, although more challenging, alternative to partially resect and repair the IVC.

  9. Widespread hematogenous metastases and Trousseau's syndrome in gastric adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Santos Vitorino Modesto dos

    2001-01-01

    Full Text Available A case of widespread hematogenous metastases and Trousseau's syndrome is reported in a 40 year-old white housewife with gastric cancer, presenting subdural hematoma, ecchymoses, epistaxis, stomach and uterine bleeding. After undergoing hematoma drainage, she was unsuccessfully treated with platelets, red blood cells, plasma cryoprecipitate transfusions, and antibiotics. Necropsy disclosed gastric ring-signet adenocarcinoma invading the serous layer, with massive disseminated intravascular coagulation and systemic neoplastic embolism. Multiple old and recent hyaline (rich in fibrin and platelets microthrombi, and tumor emboli were observed in the bone marrow, meninges, liver, lungs, kidneys, lymph nodes, adrenals, thyroid, heart, pancreas, and ovaries (Krukenberg tumor.

  10. Medical image of the week: evolution of low grade adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Palacio D

    2017-03-01

    Full Text Available Ground glass lesions above 5 mm in greatest diameter found on chest computed tomography (CT require initial followed up in 3 months according to the Fleischner Society Guidelines, to exclude a transient inflammatory focus (1. If persistent, surveillance for at least 24 months to confirm stability is recommended. Any change in size or density should warrant further action, ideally surgical consultation, given the suboptimal yield of percutaneous biopsy and risk of inappropriate staging if the whole lesion is not examined. This may result in the inability to recognize the transition from in-situ adenocarcinoma into minimally invasive or invasive lesions, which in turn results in inaccurate staging and prognosis.

  11. "Big IGF-II"-induced hypoglycemia secondary to gastric adenocarcinoma.

    Science.gov (United States)

    Morbois-Trabut, L; Maillot, F; De Widerspach-Thor, A; Lamisse, F; Couet, C

    2004-06-01

    Non-islet cell tumor-related hypoglycemia is a rare phenomenon. We report the case of a 63 Year-old man admitted for hemiparesia and a capillary blood glucose of 20 mg/dL. The presence of an immature form of IGF-II that can mimic the effect of insulin, namely "big IGF-II", explained this patient's hypoglycaemia. A moderately differentiated adenocarcinoma of the cardia with metastatic extension to the stomach and the liver was demonstrated. Octreotide failed to control the hypoglycaemia, therefore prednisolone (2 mg/kg per day) and enteral feeding prevented new episodes of severe hypoglycaemia.

  12. A Case of Enzootic Nasal Adenocarcinoma in a Ewe

    Directory of Open Access Journals (Sweden)

    Devorah Marks Stowe

    2012-01-01

    Full Text Available An approximately 2-year-old open Suffolk ewe presented to the North Carolina State University College of Veterinary Medicine Veterinary Health Complex for evaluation of a left nasal mass. An ultrasound-guided aspirate and core biopsies were performed. An epithelial neoplasia with mild mixed inflammation (neutrophils and plasma cells was diagnosed on cytology and confirmed on histopathology. Immunohistochemistry (IHC, reverse transcriptase polymerase chain reaction (RT-PCR, and transmission electron microscopy were also performed. IHC and RT-PCR identified the presence of enzootic nasal tumor virus and confirmed the final diagnosis of enzootic nasal adenocarcinoma.

  13. Superior Vena Cava Thrombosis in a Case of Lung Adenocarcinoma

    Directory of Open Access Journals (Sweden)

    Santanu Ghosh

    2013-01-01

    Full Text Available Superior vena cava syndrome is a common presentation of bronchogenic carcinoma. The mechanism of obstruction is by compression of superior vena cava by the bronchogenic tumor itself or enlarged mediastinal lymph nodes. However obstruction due to intravascular thrombosis is extremely uncommon. Here, we report a rare case of a 65-year-old male smoker who presented with superior vena cava syndrome and bilateral pleural and pericardial effusion with thrombotic occlusion of the superior vena cava in adenocarcinoma of the lung. He was given chemotherapy with carboplatin and gemcitabine with anticoagulant therapy.

  14. Intestinal-type sinonasal adenocarcinoma with bone metastasis: a case report

    Institute of Scientific and Technical Information of China (English)

    Akhavan A.; Binesh F.; Teimoori S.; Soltani H.R.

    2011-01-01

    Intestinal type adenocarcinoma is a slow growing tumor of sinonasal area, that account for 4% of malignancies of this area. In women it occurs sporadically. This tumor rarely metastasis to other organs. In this article we presented a woman with sinonasal intestinal type adenocarcinoma with optic nerve involvement and multiple bone metastasis.

  15. Detection of KRAS gene mutation and its clinical significance in colorectal adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    徐晨

    2012-01-01

    Objective To explore the clinical significance of KRAS mutation detection in colorectal adenocarcinoma. Methods Paraffin-embedded tissue specimens were obtained from 440 patients with colorectal adenocarcinoma. The genomic DNA was extracted. Mutations of exon 2 of KRAS gene were examined by PCR and

  16. Clear-Cell Adenocarcinoma of Vesical Origin: A Case Study of Metastatic Disease Treated with Chemotherapy

    Directory of Open Access Journals (Sweden)

    Carolina Pena Álvarez

    2010-01-01

    Full Text Available Vesical clear cell adenocarcinoma is an uncommon tumour. The description of nearly all published cases focuses on histological issues, providing few clinical particulars and limited followup. The treatment choice is resection. No publications have been found regarding systemic treatments for advanced disease. We present a case of metastatic clear cell adenocarcinoma of the bladder treated with chemotherapy.

  17. A rare case of minimal deviation adenocarcinoma of the uterine cervix in a renal transplant recipient.

    LENUS (Irish Health Repository)

    Fanning, D M

    2009-02-03

    INTRODUCTION: We report the first described case of minimal deviation adenocarcinoma of the uterine cervix in the setting of a female renal cadaveric transplant recipient. MATERIALS AND METHODS: A retrospective review of this clinical case was performed. CONCLUSION: This rare cancer represents only about 1% of all cervical adenocarcinoma.

  18. A rare case of minimal deviation adenocarcinoma of the uterine cervix in a renal transplant recipient.

    LENUS (Irish Health Repository)

    Fanning, D M

    2012-02-01

    INTRODUCTION: We report the first described case of minimal deviation adenocarcinoma of the uterine cervix in the setting of a female renal cadaveric transplant recipient. MATERIALS AND METHODS: A retrospective review of this clinical case was performed. CONCLUSION: This rare cancer represents only about 1% of all cervical adenocarcinoma.

  19. Esophageal adenocarcinoma five years after laparoscopic sleeve gastrectomy. A case report

    Directory of Open Access Journals (Sweden)

    Fernando Gabriel Wright

    2017-01-01

    Conclusion: We present a case of an esophageal adenocarcinoma five years after a laparoscopic sleeve gastrectomy for morbid obesity. There is need to better determine the relationship between sleeve gastrectomy and gastroesophageal reflux disease in order to prevent its related complications, such as esophageal adenocarcinoma.

  20. Perianal mucinous adenocarcinoma associated with chronic anaI fistula: case report

    Energy Technology Data Exchange (ETDEWEB)

    Park, ChuI Hi; Yang, Dal Mo; Kim, Jee Eun; Choi, Soo Jin [Gil Medical Center, Incheon (Korea, Republic of)

    2004-09-01

    Perianal mucinous adenocarcinoma is a rare disease. We report here on the CT findings in a case of perianal mucinous adenocarcinoma associated with chronic anal fistula. The CT revealed a low attenuated lesion surrounding the subcutaneous area of chronic anal fistula, anal canal and perirectal area.

  1. Prostate Mucinous Adenocarcinoma with Signet Ring Cells: a Case Report and Literature Review

    Institute of Scientific and Technical Information of China (English)

    Yi Wang; Guang Sun; Jiangang Pan; Jiwu Chang; Shumin Zhang; Tao Li; Binghuang Ren

    2006-01-01

    @@ Prostate mucinous adenocarcinoma with signet ring cells(MCSRC)is a rare morphologic variant of prostate cancer,with only 12 cases reported to date.[1] Diagnosis of this carcinoma requires that at least 25% of the tumor tissue should consist of an extracellular mucin pool.[2] In this report, we present a case of prostate prostate mucinous adenocarcinoma with signet ring cells.

  2. Brain metastasis as initial presentation of papillary adenocarcinoma of the lung: case report

    Energy Technology Data Exchange (ETDEWEB)

    Bispo, Irving Gabriel Araujo; Nascimento, Diego Teixeira; Ferreira, Karina Oliveira; Fakhouri, Ricardo; Godinho, Atilano Salvador; Ferrao, Thiago de Oliveira, E-mail: irvingbispo@yahoo.com.br [Universidade Federal de Sergipe (HU-UFS), Aracaju, SE (Brazil). Hospital Universitario

    2013-09-15

    The authors describe the case of a 33-year-old patient with history of seizures alone without any previous symptom, being diagnosed with brain metastases from primary papillary adenocarcinoma of the lung. Emphasis is given to the diagnostic investigation for brain metastasis and prognostic evaluation of papillary adenocarcinoma of the lung, and a brief literature review on such diseases is performed. (author)

  3. Dietary factors and the risks of oesophageal adenocarcinoma and Barrett's oesophagus.

    Science.gov (United States)

    Kubo, Ai; Corley, Douglas A; Jensen, Christopher D; Kaur, Rubinder

    2010-12-01

    Incidence rates for oesophageal adenocarcinoma have increased by over 500% during the past few decades without clear reasons. Gastro-oesophageal reflux disease, obesity and smoking have been identified as risk factors, although the demographic distribution of these risk factors is not consistent with the demographic distribution of oesophageal adenocarcinoma, which is substantially more common among whites and males than any other demographic groups. Numerous epidemiological studies have suggested associations between dietary factors and the risks of oesophageal adenocarcinoma and its precursor, Barrett's oesophagus, though a comprehensive review is lacking. The main aim of the present review is to consider the evidence linking dietary factors with the risks of oesophageal adenocarcinoma, Barrett's oesophagus, and the progression from Barrett's oesophagus to oesophageal adenocarcinoma. The existing epidemiological evidence is strongest for an inverse relationship between intake of vitamin C, β-carotene, fruits and vegetables, particularly raw fruits and vegetables and dark green, leafy and cruciferous vegetables, carbohydrates, fibre and Fe and the risk of oesophageal adenocarcinoma and Barrett's oesophagus. Patients at higher risk for Barrett's oesophagus and oesophageal adenocarcinoma may benefit from increasing their consumption of fruits and vegetables and reducing their intake of red meat and other processed food items. Further research is needed to evaluate the relationship between diet and the progression of Barrett's oesophagus to oesophageal adenocarcinoma. Evidence from cohort studies will help determine whether randomised chemoprevention trials are warranted for the primary prevention of Barrett's oesophagus or its progression to cancer.

  4. Procyanidin induces apoptosis of esophageal adenocarcinoma cells via JNK activation of c-Jun. : Procyanidin induces apoptosis of esophageal adenocarcinoma cells via JNK activation of c-Jun.

    NARCIS (Netherlands)

    Connor, Carol A; Adriaens, Michiel; Pierini, Roberto; Johnson, Ian T; Belshaw, Nigel J

    2014-01-01

    Procyanidins are polymeric flavanols found in fruits and vegetables and have shown anticarcinogenic/chemopreventive properties. We previously showed that oligomeric procyanidin extracted from apples induced cell cycle arrest and apoptosis in esophageal adenocarcinoma (OA) cells. To understand the me

  5. Management of primary adenocarcinoma of the female urethra: Report of two cases and review of the literature

    OpenAIRE

    Wang, Xinjun; BAI, PEIMING; SU, HANZHONG; LUO, GUANGCHENG; Zhong, Zhaohui; Zhao, Xiaokun

    2012-01-01

    Primary adenocarcinoma of the female urethra is rare and only a few retrospective cases have been published. The origin of urethral adenocarcinomas remains unclear. Certain authors have suggested that urethral adenocarcinomas in females originate at the periurethral Skene’s glands. We report one case of urethral adenocarcinoma of the proximal urethra in a 44-year-old female who presented with painless urethral bleeding. Abdominal and pelvic CT scan with contrast and chest radiology were unrem...

  6. Putting oesophageal cancer on the RACK A study of the RACK1 scaffolding protein in oesophageal adenocarcinoma

    OpenAIRE

    2015-01-01

    Purpose There is a need to identify new therapeutic targets for oesophageal adenocarcinoma. Deoxycholic acid is a component of gastro-oesophageal refluxate and is believed to promote oesophageal adenocarcinoma. RACK1 is an intracellular scaffolding protein whose expression is altered in many cancers. The role of RACK1 in oesophageal adenocarcinoma has not been investigated. The purpose of this study is to examine the expression of RACK1 in oesophageal adenocarcinoma and to a...

  7. Identity of Institution and Institutional Design

    Directory of Open Access Journals (Sweden)

    F. Bahar Ülker Kaya

    2006-05-01

    Full Text Available Corporate identity is planning and reşecting memorable, personal, characteristic pecularities of an institution and the ability that separates it from others. Corporate identity is in interaction with the corporate culture and corporate image. It is an entity formed by the philosophy of the institution, institutional communication, behavior and planning. Institutional planning formed by the planning of production and communication and architectural/ interior architectural planning, is the most significant element that constitutes the visual identity of an institution. While forming architectural and interior architectural planning of institutions, establishing places that will clearly reşect the corporate identity is gaining importance. In the perception of visual identity of institutions, planning elements such as; colour, texture, material and form are more significant than others.

  8. [A Case of Synchronous Multiple Esophageal Cancers Composed of Squamous Cell Carcinoma and Barrett's Adenocarcinoma].

    Science.gov (United States)

    Kobayashi, Toshiyuki; Shiozaki, Atsushi; Fujiwara, Hitoshi; Konishi, Hirotaka; Arita, Tomohiro; Kosuga, Toshiyuki; Morimura, Ryo; Murayama, Yasutoshi; Komatsu, Shuhei; Kuriu, Yoshiaki; Ikoma, Hisashi; Nakanishi, Masayoshi; Ichikawa, Daisuke; Okamoto, Kazuma; Otsuji, Eigo

    2015-11-01

    A 67-year-old man was admitted to our hospital for treatment for multiple superficial esophageal cancers. Screening upper gastrointestinal endoscopy examination revealed a superficial squamous cell carcinoma (SCC) at the middle thoracic esophagus and Barrett's epithelium and a superficial adenocarcinoma at the abdominal esophagus. We performed a subtotal esophagectomy with gastric tube reconstruction via the retrosternal route. Pathological examination revealed a Barrett's adenocarcinoma at the abdominal esophagus. Esophageal cancer is thought to be a multicentric disease, and we sometimes find multiple esophageal cancers. In Japan, most cases of multiple esophageal cancers are composed of SCCs, and the occurrence of multiple esophageal cancers composed of SCC and Barrett's adenocarcinoma is rare. In contrast, the number of the patients with Barrett's esophagus is increasing, and the number of the patients with Barrett's adenocarcinoma also seems to be on the rise. Therefore, it is important be aware of the possibility of multiple esophageal cancers composed of SCC and Barrett's adenocarcinoma while making diagnoses.

  9. File list: InP.Lng.10.AllAg.Lung_adenocarcinoma_cell_lines [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  4. File list: ALL.Lng.50.AllAg.Lung_adenocarcinoma_cell_lines [Chip-atlas[Archive

    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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  13. File list: DNS.Lng.50.AllAg.Lung_adenocarcinoma_cell_lines [Chip-atlas[Archive

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  20. Azacitidine for Treating Acute Myeloid Leukaemia with More Than 30 % Bone Marrow Blasts: An Evidence Review Group Perspective of a National Institute for Health and Care Excellence Single Technology Appraisal.

    Science.gov (United States)

    Tikhonova, Irina A; Hoyle, Martin W; Snowsill, Tristan M; Cooper, Chris; Varley-Campbell, Joanna L; Rudin, Claudius E; Mujica Mota, Ruben E

    2017-03-01

    The National Institute for Health and Care Excellence (NICE) invited the manufacturer of azacitidine (Celgene) to submit evidence for the clinical and cost effectiveness of this drug for the treatment of acute myeloid leukaemia with more than 30 % bone marrow blasts in adults who are not eligible for haematopoietic stem cell transplantation, as part of the NICE's Single Technology Appraisal process. The Peninsula Technology Assessment Group was commissioned to act as the Evidence Review Group (ERG). The ERG produced a critical review of the evidence contained within the company's submission to NICE. The clinical effectiveness data used in the company's economic analysis were derived from a single randomised controlled trial, AZA-AML-001. It was an international, multicentre, controlled, phase III study with an open-label, parallel-group design conducted to determine the efficacy and safety of azacitidine against a conventional care regimen (CCR). The CCR was a composite comparator of acute myeloid leukaemia treatments currently available in the National Health Service: intensive chemotherapy followed by best supportive care (BSC) upon disease relapse or progression, non-intensive chemotherapy followed by BSC and BSC only. In AZA-AML-001, the primary endpoint was overall survival. Azacitidine appeared to be superior to the CCR, with median overall survival of 10.4 and 6.5 months, respectively. However, in the intention-to-treat analysis, the survival advantage associated with azacitidine was not statistically significant. The company submitted a de novo economic evaluation based on a partitioned survival model with four health states: "Remission", "Non-remission", "Relapse/Progressive disease" and "Death". The model time horizon was 10 years. The perspective was the National Health Service and Personal Social Services. Costs and health effects were discounted at the rate of 3.5 % per year. The base-case incremental cost-effectiveness ratio (ICER) of azacitidine

  1. Conservative treatment of coexisting microinvasive squamous and adenocarcinoma of the cervix: report of two cases and literature review

    Directory of Open Access Journals (Sweden)

    Sopracordevole F

    2016-01-01

    Full Text Available Francesco Sopracordevole,1,* Jacopo Di Giuseppe,2,* Silvia Cervo,3,4 Monica Buttignol,1 Giorgio Giorda,1 Andrea Ciavattini,2 Vincenzo Canzonieri3,5 1Gynecologic Oncology Unit, Department of Surgical Oncology, CRO Aviano National Cancer Institute, Aviano, Pordenone, 2Woman’s Health Sciences Department, Gynaecologic Section, Polytechnic University of Marche, Ancona, 3CRO-Biobank, 4Clinical Cancer Pathology, 5Pathology Unit, CRO Aviano National Cancer Institute, Aviano, Pordenone, Italy *These authors contributed equally to this work Abstract: Coexistence of microinvasive squamous cell carcinoma (MISCC and microinvasive adenocarcinoma (MIAC of the cervix is a rare phenomenon with very few clinically significant cases described in the literature. While a conservative approach has been studied, and may be effective in MISCC, a lower number of studies that recommend conservative treatment are available for MIAC. We report two cases of synchronous cervix lesions in two separate foci, MISCC and MIAC, who underwent fertility-sparing treatment with long-term follow-up. We describe clinical, histological, and immunohistochemical features of the two cases. The first case is a 41-year-old female with a diagnosis of MIAC of endocervical type, grade 1 differentiation, with a stromal invasion, associated with a separate area of squamous cell carcinoma (International Federation of Gynecology and Obstetrics/TNM stage: pT1a1G1. The second case is a 45-year-old female with a diagnosis of plurifocal MISCC, associated with an MIAC of endocervical type with a stromal invasion (International Federation of Gynecology and Obstetrics/TNM stage: pT1a1G1. After multidisciplinary counseling, both patients accepted conization as definitive treatment. Eleven years after the conization, all tests (Papanicolaou smear, colposcopy, cervical curettage, and hybrid capture 2-human papillomavirus test planned quarterly in the first year and every 6 months in the subsequent years

  2. Neurinoma del plexo braquial simulando metastasis de adenocarcinoma de mama Schwannoma of the brachial plexus resembling a breast adenocarcinoma metastasis

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    Gregorio Rodríguez Boto

    2011-10-01

    Full Text Available Los neurinomas del plexo braquial son tumores infrecuentes que pueden confundirse con otras lesiones de índole tumoral. Se presenta el caso de una mujer de 40 años, tratada previamente de un adenocarcinoma de mama derecha en el pasado, que en el estudio de extensión realizado 5 años después se detectó una lesión localizada en el plexo braquial derecho. La paciente se encontraba asintomática. El diagnóstico radiológico de presunción fue metástasis de adenocarcinoma mamario. Se realizó un abordaje axilar derecho descubriendo una lesión bien delimitada en el plexo braquial. Con ayuda de la monitorización neurofisiológica intraoperatoria, se observó que la lesión dependía de la rama cubital y se pudo realizar una resección completa preservando la función de dicho nervio. El estudio anatomopatológico confirmó que se trataba de un neurinoma, descartando así la existencia de metástasis. La evolución postoperatoria fue satisfactoria. Seis años después de la intervención no existe recidiva tumoral. En nuestro conocimiento este es el primer caso publicado en la literatura de un neurinoma del plexo braquial dependiente de la rama cubital. La monitorización neurofisiológica intraoperatoria resulta fundamental para abordar este tipo de lesiones con baja morbilidad.Schwa nomas originating from the brachial plexus, although rare, may be mistaken for another type of tumour. A 40 year-old woman, who had been treated years earlier for a breast adenocarcinoma, showed in the 5-year follow-up magnetic resonance examination a localized lesion in the right brachial plexus. The presumptive radiological diagnosis was a metastasis from the primary adenocarcinoma. Following surgical access via the right axilla, a well-circumscribed mass in the brachial plexus was detected. Under intraoperative electrophysiological guidance, the lesion was observed to depend on the ulnar nerve and its complete resection was possible without compromising nerve

  3. RESTRICTION ENDONUCLEASE ANALYSIS OF MITOCHONDRIAL DNA FROM HUMAN LUNG ADENOCARCINOMA CELL LINE SPC-A-1

    Institute of Scientific and Technical Information of China (English)

    HU Yide; QIAN Guisheng; CHEN Weizhong; LI Shuping; WANG Guansong; MAO Baoling

    1999-01-01

    Objective: To understand the role of mitochondrial DNA (mtDNA) in carcinogenesis. Methods: single-step method was used to isolate the mtDNA from human lung adenocarcinoma cell line SPC-A-1. The mtDNA was analyzed by restriction fragment length polymorphism (RFLP) with 11 kinds of restriction endonuclease, which were Pvu Ⅱ, Xho Ⅰ, Pst Ⅰ, EcoR Ⅰ,BstE Ⅱ, Hind Ⅲ, Hpa Ⅰ, Bcl Ⅰ, EcoR Ⅴ, Sca Ⅰ and Xba Ⅰ.Restriction map of mtDNA from SPC-A-1 cell was obtained by the single and double-digestion method.Results: It was found that no variation at 32 restrictionsites could be detected in the coding region of mtDNA from SPC-A-1 cell line. But a new site was found at nucleotide 16276 (EcoR Ⅴ) within the noncoding region.Conclusion: These results indicate that the primary structure of gene coding region of mtDNA isolated from SPC-A-1 cell is highly stable. While the major variation of nucleotide is probably located in the noncoding region.

  4. Clear Cell Adenocarcinoma of the Urethra: Review of the Literature

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    Anthony Kodzo-Grey Venyo

    2015-01-01

    Full Text Available Background. Clear cell adenocarcinoma of the urethra (CCAU is extremely rare and a number of clinicians may be unfamiliar with its diagnosis and biological behaviour. Aims. To review the literature on CCAU. Methods. Various internet databases were used. Results/Literature Review. (i CCAU occurs in adults and in women in the great majority of cases. (ii It has a particular association with urethral diverticulum, which has been present in 56% of the patients; is indistinguishable from clear cell adenocarcinoma of the female genital tract but is not associated with endometriosis; and probably does not arise by malignant transformation of nephrogenic adenoma. (iii It is usually, readily distinguished from nephrogenic adenoma because of greater cytological a-typicality and mitotic activity and does not stain for prostate-specific antigen or prostatic acid phosphatase. (iv It has been treated by anterior exenteration in women and cystoprostatectomy in men and at times by radiotherapy; chemotherapy has rarely been given. (v CCAU is aggressive with low 5-year survival rates. (vi There is no consensus opinion of treatment options that would improve the prognosis. Conclusions. Few cases of CCAU have been reported. Urologists, gynaecologists, pathologists, and oncologists should report cases of CCAU they encounter and enter them into a multicentric trial to determine the best treatment options that would improve the prognosis.

  5. HER2 testing in gastric and gastroesophageal adenocarcinomas.

    Science.gov (United States)

    Vakiani, Efsevia

    2015-05-01

    The human epidermal growth factor receptor 2 (HER2) is overexpressed in 10% to 35% of gastric and gastroesophageal junction (GEJ) adenocarcinomas. In 2010, the phase III Trastuzumab for Gastric Cancer (ToGA) trial showed that addition of the anti-HER2 monoclonal antibody trastuzumab to chemotherapy significantly improved survival of patients with advanced or metastatic tumors that were positive for HER2 overexpression. As a result, HER2 testing is now recommended for all patients with advanced or metastatic disease, although there is still some debate as to the optimal methods of assessment. HER2 expression in gastric and GEJ tumors shows several differences compared with breast tumors and, for this reason, the proposed criteria for scoring HER2 expression in biopsies and resections of gastric and GEJ carcinomas differ from those used in breast carcinomas. This review discusses what is currently known about the patterns of HER2 expression in gastric and GEJ adenocarcinomas, summarizes the findings of the ToGA trial and its clinical implications, and provides an overview of the recommended guidelines for the most accurate evaluation of HER2 status in gastric and GEJ cancer.

  6. Cerebral Metastasis from a Previously Undiagnosed Appendiceal Adenocarcinoma

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    Antonio Biroli

    2012-01-01

    Full Text Available Brain metastases arise in 10%–40% of all cancer patients. Up to one third of the patients do not have previous cancer history. We report a case of a 67-years-old male patient who presented with confusion, tremor, and apraxia. A brain MRI revealed an isolated right temporal lobe lesion. A thorax-abdomen-pelvis CT scan showed no primary lesion. The patient underwent a craniotomy with gross-total resection. Histopathology revealed an intestinal-type adenocarcinoma. A colonoscopy found no primary lesion, but a PET-CT scan showed elevated FDG uptake in the appendiceal nodule. A right hemicolectomy was performed, and the specimen showed a moderately differentiated mucinous appendiceal adenocarcinoma. Whole brain radiotherapy was administrated. A subsequent thorax-abdomen CT scan revealed multiple lung and hepatic metastasis. Seven months later, the patient died of disease progression. In cases of undiagnosed primary lesions, patients present in better general condition, but overall survival does not change. Eventual identification of the primary tumor does not affect survival. PET/CT might be a helpful tool in detecting lesions of the appendiceal region. To the best of our knowledge, such a case was never reported in the literature, and an appendiceal malignancy should be suspected in patients with brain metastasis from an undiagnosed primary tumor.

  7. Small bowel adenocarcinoma mimicking a large adrenal tumor

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    Ivović Miomira

    2013-01-01

    Full Text Available Introduction. Adenocarcinoma of the small bowel is a rare gastrointestinal neoplasm usually affecting the distal duodenum and proximal jejunum. Because of their rarity and poorly defined abdominal symptoms, a correct diagnosis is often delayed. Case Outline. We present a 43-year-old woman admitted at the Clinic for Endocrinology due to a large tumor (over 7 cm of the left adrenal gland. The tumor was detected by ultrasound and confirmed by CT scan. The patient complained of abdominal pain in the left upper quadrant, fatigue and septic fever. Normal urinary catecholamines excluded pheochromocytoma. The endocrine evaluations revealed laboratory signs of subclinical hypercorticism: midnight cortisol 235 nmol/L, post 1 mg - overnight Dexamethasone suppression test for cortisol 95.5 nmol/L and basal ACTH 4.2 pg/mL. Plasma rennin activity and aldosterone were within the normal range. Surgery was performed. Intraoperative findings showed signs of acute peritonitis and a small ulceration of the jejunum below at 70 cm on the anal side from the Treitz’s ligament. Adrenal glands were not enlarged. Patohistology and immunochemistry identified adenocarcinoma of the jejunum without infiltration of the lymphatic nodules. The extensive jejunal resection and lavage of the peritoneum were performed. Due to complications of massive peritonitis, the patient died seven days after surgery. Conclusion. Poorly defined symptoms and a low incidence make the diagnosis of small bowel carcinoma, particularly of the jejunal region, very difficult in spite of the new endoscopic techniques.

  8. Pseudomyxoma retropentonei due to the primary appendiceal mucinous adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    LIUZhou-Lu; JIANGYan-Yong

    2001-01-01

    Aim Pseudomyxoma retroperitonei is a rare conditioncharacterized by mucinous implants in the retroperitonealspace. It is commonly associated with cystadenoma orcystadenocarcinoma of a retrocecal appendix.Methods A case of patient with pseudomyxomaretroperitonei and reviewed the literature was reported.Results A 68-year lady was operated for a presumedappendix abscess. A large amount of mucin was found in thefight hemi-retroperitoneal space during the operation.Appendectomy was performed together with the removal ofmucin . In addition intraoperative chemotherapy was used.Histologic diagnosis showed mucinous adenocarcinoma of theappendix. She was given systemic chemotherapypostoperatively (5-FU, MMC). Half a year later, she wasreferred to our hospital with an elevated CEA and CTrevealed a mass within the right hemi-retroperitoneal space.During exploration, the lesion was found to be encapsulatedand was completely removed . She remains disease-free nowfor 3 years since the last operation.Conclusion Primary mucinous adenocarcinoma is a diseasedifficult to diagnose, it has a relatively good prognosis evenwith pseudomyxoma peritonei or retroperitonei.Appendectomy with removal of all mucin tissue is a suitablechoice of treatment for some patients. Chemotherapy,especially intraoperative chemotherapy is recommended to improve survival.

  9. Identification of differently expressed genes in human colorectal adenocarcinoma

    Institute of Scientific and Technical Information of China (English)

    Yao Chen; Yi-Zeng Zhang; Zong-Guang Zhou; Gang Wang; Zeng-Ni Yi

    2006-01-01

    AIM: To investigate the differently expressed genes in human colorectal adenocarcinoma.METHODS: The integrated approach for gene expression profiling that couples suppression subtractive hybridization, high-throughput cDNA array, sequencing,bioinformatics analysis, and reverse transcriptase realtime quantitative polymerase chain reaction (PCR)was carried out. A set of cDNA clones including 1260SSH inserts amplified by PCR was arrayed using robotic printing. The cDNA arrays were hybridized with florescent-labeled probes prepared from RNA of human colorectal adenocarcinoma (HCRAC) and normal colorectal tissues.RESULTS: A total of 86 genes were identified, 16 unknown genes and 70 known genes. The transcription factor Sox9 influencing cell differentiation was downregulated. At the same time, Heat shock protein 10 KDis downregulated and Calmoulin is up-regulated.CONCLUSION: Downregulation of heat shock protein 10 KD lost its inhibition of Ras, and then attenuated the Ras GTPase signaling pathway, increased cell proliferation and inhibited cell apoptosis. Down-regulated transcription factor Sox9 influences cell differentiation and cell-specific gene expression. Down-regulated Sox9 also decreases its binding to calmodulin, accumulates calmodulin as receptor-activated kinase and phosphorylase kinase due to the activation of PhK.

  10. Henoch Schönlein purpura associated with pulmonary adenocarcinoma

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    Tetsuka Takafumi

    2011-06-01

    Full Text Available Abstract Introduction Henoch-Schönlein purpura is a common immunoglobulin A-mediated vasculitis syndrome in children. Henoch-Schönlein purpura can also affect adults and is probably related to malignancy. Case presentation We report the case of a 61-year-old Japanese man who presented for examination after an abnormal shadow was detected by chest radiography. He received a diagnosis of pulmonary adenocarcinoma, stage IV. Purpura on the legs, abdominal pain, diarrhea, hematuria and proteinuria developed at this time. Henoch-Schönlein purpura was diagnosed, base on the clinical symptoms and histological findings of biopsy specimens of the skin, which showed vasculitis with immunoglobulin A deposits. Our patient received chemotherapy with gemcitabine after successful steroid therapy for the Henoch-Schönlein purpura. Conclusion Although hematological malignancies are well-known causes of vasculitides, cases of Henoch-Schönlein purpura associated with lung adenocarcinoma are rare. Our patient was treated with corticosteroid therapy, which cleared the purpura and cytotoxic chemotherapy for the non-small cell lung cancer. However, he died from heart failure due to cardiac tamponade.

  11. Multidetector computed tomography in the preoperative staging of gastric adenocarcinoma

    Energy Technology Data Exchange (ETDEWEB)

    Barros, Ricardo Hoelz de Oliveira; Penachim, Thiago Jose; Martins, Daniel Lahan; Andreollo, Nelson Adami; Caserta, Nelson Marcio Gomes, E-mail: rhobarros@hotmail.com [Universidade Estadual de Campinas (UNICAMP), Campinas, SP (Brazil)

    2015-03-15

    Objective: To evaluate the role of multidetector computed tomography in the preoperative investigation of tumor invasion depth and lymph node and metastatic involvement according to the TNM classification, in patients with gastric adenocarcinoma. Materials and Methods: Fifty-four patients with biopsy-confirmed gastric cancer underwent preoperative staging with 64-channel multidetector computed tomography. Two independent radiologists analyzed the images and classified the findings. Sensitivity, specificity, accuracy and overall accuracy were calculated for each observer. The interobserver agreement was also evaluated. Results: The accuracy in the classification of categories T ranged from 74% to 96% for observer 1 and from 80% to 92% for observer 2. The overall accuracy was 70% for both observers. The weighted kappa index was 0.75, consistent with a significant interobserver agreement. The accuracy in the classification of lymph node involvement (category N) ranged from 55% to 79% for observer 1 and from 73% to 82% for observer 2. The evaluation of metastatic involvement showed an overall accuracy of 89.6% for both observers. Conclusion: 64-channel multidetector computed tomography demonstrated clinically relevant accuracy in the preoperative staging of gastric adenocarcinoma as regards invasion depth (T category) and metastatic involvement (M category). (author)

  12. Her2+ and b-HCG Producing Undifferentiated Gastric Adenocarcinoma.

    Science.gov (United States)

    Eivaz-Mohammadi, Sahar; Gonzalez-Ibarra, Fernando; Abdul, Waheed; Tarar, Omer; Malik, Khurram; Syed, Amer K

    2014-01-01

    A 25-year-old Hispanic female with a history of anemia, schizoaffective disorder, and psychosis was admitted for anemia associated with fatigue, weakness, shortness of breath, night sweats, weight loss, and abdominal and lower back pain for the past two months. On routine management, she was found to have a positive serum b-HCG of 80.4 (0-5 mIU/mL) but the patient denied any sexual activity in her life. During her admission, U/S of the pelvis was noncontributory. CT angiogram of the chest was significant for prominent mediastinal and hilar lymph nodes, diffusely thickened stomach suggesting gastric malignancy with multiple hypoenhancing lesions in the liver and diffuse lytic lesions in the spine and sacrum suspicious for metastatic disease. The MRI of the abdomen confirmed the CT angiogram findings. After these findings, EGD was performed which showed lesions in the antrum, body of the stomach, fundus, and cardia on the lesser curvature of the stomach body correlating with carcinoma. The biopsy was positive for Her2, b-HCG producing poorly differentiated gastric adenocarcinoma. Patient underwent one successful round of chemotherapy with Taxotene, Cisplatin, and 5-FU for Stage IV gastric adenocarcinoma.

  13. Polymorphous low grade adenocarcinoma: review and case report.

    Science.gov (United States)

    Pintor, María Fernanda; Figueroa, Liberto; Martínez, Benjamín

    2007-12-01

    Polymorphous Low-Grade Adenocarcinoma is a rare, malignant salivary gland tumor, which is found almost exclusively in minor salivary glands. It is more frequent in the age range from 30 to 70, with a clear female predilection in a 2:1 ratio. It is usually located in the hard or soft palate, although it may be found in the rest of the oral cavity too. It is rare in major salivary glands. In general it has good prognosis, with recurrence rates in the range of 17% - 24%. Although rare, metastasis to regional lymph nodes may occur in 9% of the cases. This report describes the case of a patient that consulted at the Military Odontological Center (Central Odontológica del Ejército) due to an esthetic alteration of her dental prosthesis, which had been made 8 years before. The patient was sent to the Maxillofacial Surgery Service, where the intraoral examination showed a big mass compromising the hard palate and the alveolar ridge. During examination, a dent in her prosthesis was found to correspond to the tumor mass; it was therefore concluded that the tumor had at least an eight-year-old evolution. An incisional biopsy was carried out, and once the polymorphous low-grade adenocarcinoma diagnosis had been stated, the patient was sent to the Head and Neck Surgery Service of the Military Hospital, where the lesion was treated by wide surgical excision followed by radiation therapy.

  14. Primary duodenal adenocarcinoma: case report of an infrequent tumor

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    Óscar Moreno-Loaíza

    2013-10-01

    Full Text Available Introduction. Primary duodenal adenocarcinoma is an infrequent tumor both in our environment and in the world. There is no conclusive evidence on its epidemiology, diagnostic criteria, treatment or prognosis. Clinical case. We report a 77 year-old female patient, of mixed racial origin, native of Cusco (Peru who consulted for abdominal pain, weight loss, nausea, postprandial vomiting and bloating of three months course. At the time of examination she had second to third degree protein malnutrition with a BMI of 16.88 kg/m2, signs of moderate to severe chronic anemia and an 8 cm abdominal tumor in the epigastrium and right hypochondrium. The multislice spiral abdominal CT and ultrasonography revealed the presence of a solid tumor in the second portion of the duodenum. The patient was submitted to a gastroenterostomy without tumor resection. Biopsy confirmed tubular adenocarcinoma. Furthermore, no other primary tumors were found in the stomach, pancreas, biliary tree and colon. The patient was stabilized and was treated with 5-fluorouracil, irinotecan and leucovorin. Literature review. The article includes a brief review on the diagnosis, treatment and prognosis of this condition. Discussion. Management is not straightforward. There is little literature on the subject leaving decisions up to the attending physician’s criteria. We believe that all cases of rare diseases should be studied in depth, give rise to a thorough review of literature and, above all, be brought to the attention of the medical community.

  15. Inhibition of adenoma progression to adenocarcinoma in a 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone-induced lung tumorigenesis model in A/J mice by tea polyphenols and caffeine.

    Science.gov (United States)

    Lu, Gang; Liao, Jie; Yang, Guangyu; Reuhl, Kenneth R; Hao, Xingpei; Yang, Chung S

    2006-12-01

    The present study investigated the inhibitory effects of Polyphenon E [a standardized green tea polyphenol preparation containing 65% (-)-epigallocatechin-3-gallate] and caffeine on 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)-induced lung tumor progression from adenoma to adenocarcinoma. Female A/J mice were treated with a single dose of NNK (103 mg/kg body weight, i.p.) and kept for 20 weeks for the mice to develop lung adenomas. The mice were then given a solution of 0.5% Polyphenon E or 0.044% caffeine as the sole source of drinking fluid until week 52. Both treatments significantly decreased the number of visible lung tumors. Histopathologic analysis indicated that Polyphenon E administration significantly reduced the incidence (by 52%) and multiplicity (by 63%) of lung adenocarcinoma. Caffeine also showed marginal inhibitory effects in incidence and multiplicity of adenocarcinoma (by 48% and 49%, respectively). Markers of cell proliferation, apoptosis, and related cell signaling were studied by immunohistochemistry, and the labeling index and staining intensity were quantified by the Image-Pro system. Polyphenon E and caffeine treatment inhibited cell proliferation (by 57% and 50%, respectively) in adenocarcinomas, enhanced apoptosis in adenocarcinomas (by 2.6- and 4-fold, respectively) and adenomas (both by 2.5-fold), and lowered levels of c-Jun and extracellular signal-regulated kinase (Erk) 1/2 phosphorylation. In the normal lung tissues, neither agent had a significant effect on cell proliferation or apoptosis. The results show that tea polyphenols (and perhaps caffeine) inhibit the progression of NNK-induced lung adenoma to adenocarcinoma. This effect is closely associated with decreased cell proliferation, enhanced apoptosis, and lowered levels of c-Jun and Erk1/2 phosphorylation.

  16. Adenocarcinoma of gastric cardia in the elderly:Surgical problems and prognostic factors

    Institute of Scientific and Technical Information of China (English)

    Natale Di Martino; Giuseppe Izzo; Angelo Cosenza; Guido Cerullo; Francesco Torelli; Antonio Brillantino; Alberto del Genio

    2005-01-01

    AIM: To analyze retrospectively, our results about patients who underwent surgical treatment for adenocarcinoma of the cardia in relation to age, in order to evaluate surgical problems and prognostic factors.METHODS: From January 1987 to March 2003, 140 patients with adenocarcinoma of the cardia underwent resection in the authors' institution. They were divided into three groups with regard to age. Patients 60 year old (31) were excluded; we also excluded 18 out of 109 patients with poor general status or systemic metastases. So, we compared 51 elderly (≥ 70 year old)and 58 younger patients (≤ 60 year old). The treatment was esophagectomy for type Ⅰ tumors, and extended gastrectomy and distal esophagectomy for type Ⅱ and Ⅲ lesions.RESULTS: Laparotomy was carried out in 91 patients (83.4%), 38 in the elderly (74.5%) and 53 in younger patients (91.3%, P<0.05). Primary resection was performed in 811 cases (89%) without significant differences between the two groups. Postoperative death was higher in the elderly (12.1%) than the other group (4.1%, P<0.05), while morbidity was similar in both groups. A curative resection (R0) was performed in 59 patients (72.8%), 69.6% in the elderly and 75% in the younger group (P>0.05). The overall 3- and 5-year survival rates were 26.7% and 117.8% respectively for the elderly and 40.7% and 35.1% respectively for younger patients (P = 0.1544). Survival rates were significantly associated with R0 resection,pathological node-positive category and tumor differentiation in both groups.CONCLUSION: As the age of the general population increases, more elderly patients with gastric cardia cancer will be candidates for surgical resection. Age alone should not preclude surgical treatment in elderly patients with gastric cardia cancer and a tumor resection can be carried out safely. Certainly, we should take care in defining the surgical treatment in elderly patients, particularly as regarding the surgical approach; although the

  17. Epigenomic analysis of lung adenocarcinoma reveals novel DNA methylation patterns associated with smoking

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    Tan Q

    2013-10-01

    Full Text Available Qiang Tan,1,* Guan Wang,1,* Jia Huang,1 Zhengping Ding,1 Qingquan Luo,1 Tony Mok,2 Qian Tao,2 Shun Lu1 1Department of Shanghai Lung Cancer Center, Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China; 2Cancer Epigenetics Laboratory, Department of Clinical Oncology, State Key Laboratory of Oncology in South China, Sir YK Pao Center for Cancer and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong *These authors contributed equally to this paper Abstract: The importance of epigenetic regulation has been increasingly recognized in the development of cancer. In this study, we investigated the impact of smoking, a major risk factor of lung cancer, on DNA methylation by comparing the genome-wide DNA methylation patterns between lung adenocarcinoma samples from six smokers and six nonsmokers. We identified that smoking-induced DNA methylations were enriched in the calcium signaling and neuroactive ligand receptor signaling pathways, which are closely related to smoking-induced lung cancers. Interestingly, we discovered that two genes in the mitogen-activated protein kinase signaling pathway (RPS6KA3 and ARAF were hypomethylated in smokers but not in nonsmokers. In addition, we found that the smoking-induced lung cancer-specific DNA methylations were mostly enriched in nuclear activities, including regulation of gene expression and chromatin remodeling. Moreover, the smoking-induced hypermethylation could only be seen in lung adenocarcinoma tissue but not in adjacent normal lung tissue. We also used differentially methylated DNA loci to construct a diagnostic model to distinguish smoking-associated lung cancer from nonsmoking lung cancer with a sensitivity of 88.9% and specificity of 83.2%. Our results provided novel evidence to support that smoking can cause dramatic changes in the DNA methylation landscape of lung cancer, suggesting that epigenetic

  18. What are Institutional Logics

    DEFF Research Database (Denmark)

    Berg Johansen, Christina; Waldorff, Susanne Boch

    This study presents new insights into the explanatory power of the institutional logics perspective. With outset in a discussion of seminal theory texts, we identify two fundamental topics that frame institutional logics: overarching institutional orders guides by institutional logics, as well...

  19. Comparative Study of CDH1 Gene Methylation in Single and Double Primary Cancer of Gastric Adenocarcinoma%单发胃癌和食管/胃双原发癌中胃癌CDH1基因甲基化研究

    Institute of Scientific and Technical Information of China (English)

    李永丽; 张立玮

    2012-01-01

    目的 研究单发胃癌和食管/胃双原发癌中胃癌组织CDH1基因启动子区CpG岛甲基化变化及其临床意义.方法 应用甲基化特异性PCR法,检测62例单发胃癌、30例食管/胃双原发癌中胃癌组织、癌旁组织及18例正常胃组织CDH1基因甲基化情况.结果 单发胃癌和食管/胃双原发癌中胃癌组织CDH1基因甲基化率分别为61.3%和76.7%,癌旁组织分别为22.6%和23.3%,正常胃组织为0.单发胃癌和食管/胃双原发癌患者癌组织CDH1基因甲基化率与癌旁组织、正常组织比较,差异均有统计学意义(P<0.05),癌旁组织CDH1基因甲基化率与正常组织比较,差异均无统计学意义(P>0.05).单发胃癌与食管/胃双原发癌中胃癌组织CDH1基因甲基化阳性率比较,差异无统计学意义(P>0.05).单发胃癌和食管/胃双原发癌患者CDH1基因甲基化与性别、年龄、烟酒史和上消化道肿瘤家族史均无关(P>0.05).结论 CDH1基因甲基化在单发胃癌和食管/胃双原发癌胃癌中是一常见的表观遗传学事件,可能是一个独立的危险因素.%Objective To study the changes of CDH1 gene promoter CpG island methylation and its clinical significance in patients with single gastric cancer ( SGC ) and gastric cancer ( GC ) in esophagus/stomach double primary cancers ( ES-DC ). Methods 62 patients with SGC, 30 patients with GC of ESDC and 18 healthy persons were assigned to be checked CDH1 gene Methylation of cancerous tissues, adjacent non - cancerous tissues and normal health gastric tissues by methylation specific polymerase chain reaction ( MSP). Results The rates of CDH1 gene Methylation in the cancerous tissues were 61. 3% and 76. 7% respectively, and 22. 6% and 23. 3% respectively in adjacent non - cancerous tissues in patients with SGC and GC of ESDC, and 0 in normal gastric tissues. There were significant differences between the cancerous tissues and adjacent non - cancerous tissues, normal gastric tissues

  20. Esofagectomia transiatal para o tratamento do adenocarcinoma do esôfago Transhiatal esofagectomy for adenocarcinoma of the esophagus

    Directory of Open Access Journals (Sweden)

    Dino Antonio Oswaldo Altmann

    1999-10-01

    Full Text Available A esofagite de refluxo associada ao epitélio de colunar do esôfago predispõe ao adenocarcinoma, cuja incidência vem aumentando nos últimos anos. Entre 1976 e 1993, os autores trataram 11 pacientes com adenocarcinoma primário do esôfago. Em dois casos, a neoplasia desenvolveu-se em epitélio colunar ectópico no esôfago cervical e torácico. Nos demais casos, ocorreu no terço distal do esôfago em epitélio colunar de Barrett, em pacientes com sintomas clínicos de esofagite de refluxo, dos quais sete eram portadores de hérnia de hiato e refluxo gastroesofágico previamente documentados. Nove pacientes foram submetidos a esofagectomia transiatal com esofagogastroplastia, um foi submetido a esofagectomia distal com interposição de jejuno e o último a esofagogastroplastia retroestemal sem esofagectomia. A exceção de três pacientes, os demais tiveram operações consideradas curativas. Cinco doentes encontravam-se em estádios mais iniciais, ainda sem comprometimento linfonodal. Não houve mortalidade operatória, sendo que as principais complicações foram a fístula da anastomose esofagogástrica e a abertura da cavidade pleural, ambas ocorrendo em dois pacientes. A sobrevida média dos pacientes foi de 40,5 meses. Três pacientes permanecem vivos e sem evidência de doença (estádio 0, I e IIA com 64, 94 e 117 meses de seguimento. Concluiu-se que a esofagectomia neste tipo de tumor é um procedimento seguro e que a sobrevida a longo prazo é possível quando os tumores em estadio inicial são tratados adequadamente.Esophagitis associated with Barretts esophagus is a recognized predisponent factor for the development of adenocarcinoma. its incidence has been raising through the last years. Between 1976 and 1993, eleven patients with primary adenocarcinoma of the esophagus were treated. In two cases, the neoplasia occurred in an aberrant gastric mucosa in the cervical and thoracic esophagus. in the remaining cases, the tumor

  1. Contrast-enhanced CT and diffusion-weighted MR imaging: Performance as a prognostic factor in patients with pancreatic ductal adenocarcinoma

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    Fukukura, Yoshihiko, E-mail: fukukura@m.kufm.kagoshima-u.ac.jp [Department of Radiology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima City 890-8544 (Japan); Takumi, Koji [Department of Radiology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima City 890-8544 (Japan); Higashi, Michiyo [Department of Human Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima City 890-8544 (Japan); Shinchi, Hiroyuki [Department of Surgical Oncology and Digestive Surgery, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima City 890-8544 (Japan); Kamimura, Kiyohisa; Yoneyama, Tomohide; Tateyama, Akihiro [Department of Radiology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima City 890-8544 (Japan)

    2014-04-15

    Objective: To determine whether contrast enhancement of CT and apparent diffusion coefficient on diffusion-weighted MR imaging are important parameters that can predict outcomes for patients with pancreatic ductal adenocarcinoma. Materials and methods: Ninety-two patients with histologically confirmed pancreatic ductal adenocarcinoma who underwent quadriphasic CT (including unenhanced, pancreatic parenchymal, portal venous and delayed phases) and fat-suppressed single-shot echo-planar diffusion-weighted MR imaging at 3.0 T were retrospectively analyzed to investigate prognostic factors. Overall survival curves were drawn using the Kaplan–Meier method. Effects on survival of variables including age, sex, tumor location, tumor size, TNM stage, carbohydrate antigen 19-9, carcinoembryonic antigen, treatment, tumor contrast enhancement and apparent diffusion coefficient values were analyzed in univariate analysis using the log-rank test. Variables were analyzed in multivariate analyses using the Cox proportional hazards regression model. Results: Median survival for the entire patient population was 18.2 months. Higher contrast enhancement during all phases was associated with significantly longer overall survival (P < 0.001 for all phases). The difference in overall survival between groups divided by median apparent diffusion coefficient value was not significant (P = 0.672). TNM stage (P = 0.026) and tumor contrast enhancement on CT (P = 0.027) were significantly related to survival in multivariate analysis. Conclusions: Poor enhancement of pancreatic adenocarcinomas on enhanced CT is associated with reduced patient survival.

  2. Entrepreneurship as institutional change

    DEFF Research Database (Denmark)

    Bjerregaard, Toke; Lauring, Jakob

    2012-01-01

    between and exploit the multiple, potentially contradictory institutional logics of the different spheres in which they operate. While much research has elucidated how institutional entrepreneurs effect change, this study illustrates how effective entrepreneurs managing and exploiting institutional...... contradictions engage simultaneously in practices of maintaining and changing institutions to establish a balance between the poles on which their ventures depend. We illustrate this by two cases of small-scale entrepreneurship bridging institutional contradictions from an ethnographic study conducted under...

  3. Institutional Logics in Action

    DEFF Research Database (Denmark)

    Lounsbury, Michael; Boxenbaum, Eva

    2013-01-01

    This double volume presents state-of-the-art research and thinking on the dynamics of actors and institutional logics. In the introduction, we briefly sketch the roots and branches of institutional logics scholarship before turning to the new buds of research on the topic of how actors engage ins...... prolific stream of research on institutional logics by deepening our insight into the active use of institutional logics in organizational action and interaction, including the institutional effects of such (inter)actions....

  4. Análise retrospectiva dos pacientes infectados por RSV na unidade de transplante de medula óssea RSV infection after allogeneic hematopoietic stem cell transplantation (HSCT: analysis of 59 patients transplanted in a single institution

    Directory of Open Access Journals (Sweden)

    Flavia Z. Piazera

    2009-01-01

    Full Text Available O vírus sincicial respiratório (RSV é considerado uma causa importante de morbi-mortalidade em pacientes submetidos ao transplante de células-tronco hematopoéticas (TCTH. Mesmo com o uso da ribavirina inalatória (RI, as taxas de mortalidade são de 30% a 40% . O objetivo deste trabalho foi analisar o perfil dos pacientes infectados pelo RSV e a eficácia do tratamento com RI. Realizou-se uma análise retrospectiva de 59 pacientes submetidos ao TCTH com infecção confirmada pelo RSV (métodos de IFI ou PCR entre 02/1991 e 02/2008. A RI foi administrada por 12 horas, na dose de 5 g diluída 200 ml de água destilada, por cinco dias. Quinze pacientes apresentaram infecções (TRI do trato respiratório inferior e 44 pacientes apresentaram infecções (TRS de vias aéreas superiores. No grupo tratado (n=50, quarenta apresentaram infecções no TRS versus dez TRI; no grupo não tratado, quatro TRS versus cinco TRI. Foram constatados vinte óbitos (33,8%, sendo que 13 desses pacientes (65% dos óbitos tiveram suas mortes relacionadas ao RSV. Dentre estes, nove pacientes foram a óbito antes da instituição da RI como terapia padrão. A sobrevida global (SG de todos os pacientes foi de 8,3 meses, sendo 66% para o grupo que utilizou RI versus 11,1% no grupo não tratado(p=0,001. No entanto, a SG foi inferior nos pacientes que apresentaram infecções no TRI (37,5% quando comparadas às infecções do TRS (65,1%, p=0,007. No modelo de regressão de Cox, a única variável independente encontrada foi o tratamento com RI (p=0,001.Respiratory syncytial virus (RSV causes significant mortality in patients submitted to SCT. Despite the use of ribavirin aerosols (RA, mortality rates are still between 30 and 40% in many centers. The objective of this study was to analyze the clinical course and outcome of 59 patients who developed RSV infections after SCT in a single institution. In this retrospective analysis, the diagnosis of RSV infection was

  5. Multimodal imaging and detection approach to 18F-FDG-directed surgery for patients with known or suspected malignancies: a comprehensive description of the specific methodology utilized in a single-institution cumulative retrospective experience

    Directory of Open Access Journals (Sweden)

    Povoski Stephen P

    2011-11-01

    Full Text Available Abstract Background 18F-FDG PET/CT is widely utilized in the management of cancer patients. The aim of this paper was to comprehensively describe the specific methodology utilized in our single-institution cumulative retrospective experience with a multimodal imaging and detection approach to 18F-FDG-directed surgery for known/suspected malignancies. Methods From June 2005-June 2010, 145 patients were injected with 18F-FDG in anticipation of surgical exploration, biopsy, and possible resection of known/suspected malignancy. Each patient underwent one or more of the following: (1 same-day preoperative patient diagnostic PET/CT imaging, (2 intraoperative gamma probe assessment, (3 clinical PET/CT specimen scanning of whole surgically resected specimens (WSRS, research designated tissues (RDT, and/or sectioned research designated tissues (SRDT, (4 micro PET/CT specimen scanning of WSRS, RDT, and/or SRDT, (5 total radioactivity counting of each SRDT piece by an automatic gamma well counter, and (6 same-day postoperative patient diagnostic PET/CT imaging. Results Same-day 18F-FDG injection dose was 15.1 (± 3.5, 4.6-26.1 mCi. Fifty-five same-day preoperative patient diagnostic PET/CT scans were performed. One hundred forty-two patients were taken to surgery. Three of the same-day preoperative patient diagnostic PET/CT scans led to the cancellation of the anticipated surgical procedure. One hundred forty-one cases utilized intraoperative gamma probe assessment. Sixty-two same-day postoperative patient diagnostic PET/CT scans were performed. WSRS, RDT, and SRDT were scanned by clinical PET/CT imaging and micro PET/CT imaging in 109 and 32 cases, 33 and 22 cases, and 49 and 26 cases, respectively. Time from 18F-FDG injection to same-day preoperative patient diagnostic PET/CT scan, intraoperative gamma probe assessment, and same-day postoperative patient diagnostic PET/CT scan were 73 (± 9, 53-114, 286 (± 93, 176-532, and 516 (± 134, 178-853 minutes

  6. Long-term outcomes of trimodality treatment for squamous cell carcinoma of the esophagus with cisplatin and/or 5-FU. More than 20 years' experience at a single institution

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    Fakhrian, Khashayar [Ruhr-Universitaet Bochum, Department of Radiation Oncology, Marien Hospital Herne and Sankt Josef Hospital Bochum, Bochum (Germany); Technische Universitaet Muenchen, Department of Radiation Oncology, Klinikum rechts der Isar, Munich (Germany); Universitaetsklinikum der Ruhr-Universitaet Bochum, Klinik fuer Strahlentherapie und Radio-Onkologie, Marienhospital Herne, Herne (Germany); Ordu, Arif Deniz; Molls, Michael [Technische Universitaet Muenchen, Department of Radiation Oncology, Klinikum rechts der Isar, Munich (Germany); Lordick, Florian [University Clinic Leipzig, University Cancer Center Leipzig (UCCL), Leipzig (Germany); Technische Universitaet Muenchen, Department of Internal Medicine III (Hematology/Oncology), Munich (Germany); Theisen, Joerg [Technische Universitaet Muenchen, Department of Surgery, Klinikum rechts der Isar, Munich (Germany); Haller, Bernhard [Technische Universitaet Muenchen, Institute for Medical Statistics and Epidemiology, Klinikum rechts der Isar, Munich (Germany); Omrcen, Tomislav [Technische Universitaet Muenchen, Department of Radiation Oncology, Klinikum rechts der Isar, Munich (Germany); University Hospital Split, Center of Oncology and Radiotherapy, Split (Croatia); Nieder, Carsten [Department of Oncology and Palliative Medicine, Nordland Hospital Trust, Bodoe (Norway); University of Tromsoe, Institute of Clinical Medicine, Faculty of Health Sciences, Tromsoe (Norway); Geinitz, Hans [Technische Universitaet Muenchen, Department of Radiation Oncology, Klinikum rechts der Isar, Munich (Germany); Krankenhaus der Barmherzigen Schwestern Linz, Department of Radiation Oncology, Linz (Austria)

    2014-12-15

    The purpose of this article is to report the outcome of neoadjuvant radiochemotherapy (N-RCT) + surgery in patients with squamous cell carcinoma of the esophagus at a single institution. We retrospectively reviewed data from patients who were referred to our department for N-RCT. From 1988-2011, 103 patients were treated with N-RCT with cisplatin and/or 5-fluorouracil (5-FU). Group 1: (n = 55) from 1988-2006 with 39.6-40 Gy and 5-FU with (n = 17) or without cisplatin (n = 38). Group 2: from 2003-2010 with 44-45 Gy and 5-FU with (n = 40) or without cisplatin (n = 8). All patients underwent radical resection with reconstruction according to tumor location and 2-field lymph node dissection. The degree of histomorphologic regression was defined as grade 1a (pCR, 0 % residual tumor), grade 1b (pSTR, < 10 % residual tumor), grade 2 (10-50 % residual tumor), and grade 3 (> 50 % residual tumor). Median follow-up time from the start of N-RCT was 100 months (range 2-213 months). The median overall survival (OS) for the whole cohort was 42 months and the 5-year OS was 45 ± 5 %. In the multivariate analysis, worse ECOG performance status (p < 0.001), weight loss > 10 % before the start of the N-RCT (p = 0.025), higher pT category (p = 0.001), and grade 2/3 pathologic remission (p < 0.001) were significantly associated with a poor OS. PCR and pSTR rates for group 1 were 36 % and 18 % compared to 53 % and 22 % for group 2 (p = 0.011). There was a tendency for a better outcome in group 2 patients without statistical significance. The 5-year OS, disease-free survival and recurrent-free survival were 36 ± 7 %, 35 ± 6, and 36 ± 7 % for group 1 and 55 ± 7, 49 ± 7, and 53 ± 7 in group 2 (p = 0.117, p = 0.124, and p = 0.087). There was no significant difference between the two groups considering the postoperative morbidity and mortality. Higher radiation doses and more use of simultaneous cisplatin lead to higher pathologic response rates to N-RCT and may be associated with

  7. Yes associated protein is a poor prognostic factor in well-differentiated lung adenocarcinoma.

    Science.gov (United States)

    Kim, Mi Hyun; Kim, Young Keum; Shin, Dong Hoon; Lee, Hyun Jeong; Shin, Nari; Kim, Arong; Lee, Jung Hee; Choi, Kyung Un; Kim, Jee Yeon; Lee, Chang Hun; Sol, Mee Young

    2015-01-01

    The Hippo pathway is a highly conserved potent regulator of cell growth and apoptosis including large tumor suppressor (LATS) and Yes-associated protein (YAP). LATS has been regarded as a tumor suppressor gene and YAP as either of a tumor suppressor gene or an oncogene. We investigated their expression in lung adenocarcinoma. YAP and LATS protein expression was assessed in 167 surgically resected lung adenocarcinomas and compared with clinicopathologic factors. Disease free survival and overall survival were also evaluated. YAP expression was noted in cytoplasm (48 cases; 28.7%), nuclear (34; 20.4%) and both locations (4; 2.4%). The nuclear expression was typically observed in well differentiated adenocarcinoma. LATS was expressed in cytoplasm when its signal is weak. Perinuclear expression of LATS was observed when it is strongly expressed. While cytoplasmic and nuclear YAP expressions were inversely related. In well differentiated adenocarcinoma patients, YAP nuclear expression was related with more frequent relapse. Both of nuclear YAP and LATS expression were more frequently observed in well differentiated adenocarcinoma. Furthermore, YAP expression exhibited more frequent relapse in well differentiated adenocarcinoma group. We suggest that YAP may act as an oncogene and predict poorer prognosis in well differentiated lung adenocarcinoma.

  8. The effect of low concentrations of ethanol on gastric adenocarcinoma cell lines

    Directory of Open Access Journals (Sweden)

    Wu Lingjiao

    2013-01-01

    Full Text Available Chronic alcohol consumption was identified as a significant risk factor for cancer in humans. The aim of the study was to analyze the influence of low concentrations of ethanol on gastric adenocarcinoma cell viability, apoptosis, and changes in the expression of alcohol dehydrogenase with ethanol treatment. Gastric adenocarcinoma cell lines (MGC803, MGC823 and SGC7901 were treated with different concentrations of ethanol (0.03125%, 0.0625%, 0.125%, 0.25%, 0.5%, 1%, 2%, and 4%. The MTT (3-(4,5-dimethylthiazol-2-yl-2,5-diphenyltetrazolium bromide assay and flow cytometry were used to analyze the effect of ethanol treatment on cell viability and apoptosis. Western blotting was used to analyze the expression of alcohol dehydrogenase in gastric carcinoma cells. Ethanol treatment inhibited cell proliferation in gastric adenocarcinoma cell lines in a significant dose-dependent manner. Ethanol induced apoptosis of gastric adenocarcinoma cells in a dose-dependent manner. The alcohol dehydrogenase activity of gastric adenocarcinoma cells increased with the increase in the concentration of ethanol. Ethanol inhibited cell viability and the growth of gastric adenocarcinoma cell lines. Low concentrations of ethanol also induced apoptosis and increased the expression of alcohol dehydrogenase of the gastric adenocarcinoma cell lines.

  9. The effect of low concentrations of ethanol on gastric adenocarcinoma cell lines

    Directory of Open Access Journals (Sweden)

    Wu Lingjiao

    2014-01-01

    Full Text Available Chronic alcohol consumption has been identified as a significant risk factor for cancer in humans. The aim of the study was to analyze the influence of low concentrations of ethanol on gastric adenocarcinoma cell viability, apoptosis, and changes in the expression of alcohol dehydrogenase with ethanol treatment. Gastric adenocarcinoma cell lines (MGC803, MGC823 and SGC7901 were treated with different concentrations of ethanol (0.03125%, 0.0625%, 0.125%, 0.25%, 0.5%, 1%, 2%, and 4%. An MTT (3-(4,5-dimethylthiazol-2-yl-2,5-diphenyltetrazolium bromide assay and flow cytometry were used to analyze the effect of ethanol treatment on cell viability and apoptosis. Western blotting was used to analyze the expression of alcohol dehydrogenase in gastric carcinoma cells. Ethanol treatment inhibited cell proliferation in gastric adenocarcinoma cell lines in a significant dose-dependent manner. Ethanol was also able to induce the apoptosis of gastric adenocarcinoma cells in a dose-dependent manner. Alcohol dehydrogenase activity of gastric adenocarcinoma cells increased with the increase in the concentration of ethanol. Ethanol inhibited cell viability and growth of gastric adenocarcinoma cell lines. Low concentrations of ethanol also induced apoptosis and increased the expression of alcohol dehydrogenase of the gastric adenocarcinoma cell lines.

  10. Adenocarcinoma arising from an anal gland—Report of a case

    Science.gov (United States)

    Sakamoto, Takashi; Konishi, Fumio; Yoshida, Takayoshi; Yoshinaga, Yasuo; Izumo, Toshiyuki; Lefor, Alan

    2014-01-01

    INTRODUCTION Adenocarcinoma arising from an anal gland is extremely rare. Most anal canal cancers are squamous cell carcinoma, and adenocarcinoma is infrequently diagnosed. Diagnostic criteria and the standard treatment for adenocarcinoma of the anal canal have not been clearly defined, in part because of the rarity of this lesion. PRESENTATION OF CASE An 84-year-old man who presented with a piece of tissue prolapsing from the anus. An incisional biopsy showed adenocarcinoma, and an abdomino-perineal resection was then performed. Cytokeratin 7 (CK7), cytokeratin 19 (CK19) stained positive in the specimen, suggesting that the tumor developed from an anal gland. The patient was discharged after surgery without any complications. DISCUSSION Exact diagnostic criteria for adenocarcinoma of the anal canal have not been previously described. In the present case, CK7 and CK19 were stained, and the tumor showed positivity for both of these markers, which is compatible with the staining patterns of anal gland origin cancer. Radical resection is recommended rather than local resection, because of the tumor's high recurrence rate. Some authors recommend combined modality treatment with preoperative or postoperative chemoradiotherapy because of the high rate of distant recurrence. CONCLUSION The preoperative diagnosis of adenocarcinoma arising from an anal gland is not easily established. However, it may be possible to suspect an anal glandular adenocarcinoma based on a meticulous physical examination, appropriate diagnostic studies and pathological findings on biopsy. PMID:24705191

  11. NFAT5 promotes proliferation and migration of lung adenocarcinoma cells in part through regulating AQP5 expression

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    Guo, Kai, E-mail: gk161@163.com [Department of Respiration, Tangdu Hospital, Fourth Military Medical University, Xi' an 710038 (China); Department of Respiration, 161th Hospital, PLA, Wuhan 430015 (China); Jin, Faguang, E-mail: jinfag@fmmu.edu.cn [Department of Respiration, Tangdu Hospital, Fourth Military Medical University, Xi' an 710038 (China)

    2015-09-25

    The osmoregulated transcription factor nuclear factor of activated T-cells 5(NFAT5), has been found to play important roles in the development of many kinds of human cancers, including breast cancer, colon carcinoma, renal cell carcinoma and melanoma. The aim of the present study was to determine whether NFAT5 is involved in the proliferation and migration of lung adenocarcinoma cells. We found that NFAT5 was upregulated in lung adenocarcinoma cells and knockdown of NFAT5 decreased proliferation and migration of the cells, accompanied by a significant reduction in the expression of AQP5. AQP5 was upregulated in lung adenocarcinoma cells and knockdown of AQP5 also inhibited proliferation and migration of the cells as knockdown of NFAT5 did. Moreover, overexpression of NFAT5 promoted proliferation and migration of lung adenocarcinoma cells, accompanied by a significant increase in the expression of AQP5. These results indicate that NFAT5 plays important roles in proliferation and migration of human lung adenocarcinoma cells through regulating AQP5 expression, providing a new therapeutic option for lung adenocarcinoma therapy. - Highlights: • NFAT5 expression is higher in lung adenocarcinoma cells compared with normal cells. • NFAT5 knockdown decreases proliferation and migration of lung adenocarcinoma cells. • Knockdown of NFAT5 reduces AQP5 expression in human lung adenocarcinoma cells. • Overexpression of NFAT5 promotes proliferation and migration of lung adenocarcinoma cells. • Overexpression of NFAT5 increases AQP5 expression in human lung adenocarcinoma cells.

  12. Palatine tonsillar metastasis of rectal adenocarcinoma: a case report and literature review.

    Science.gov (United States)

    Wang, Hao; Chen, Ping

    2013-05-25

    Cases of primary colorectal adenocarcinoma metastasized to the palatine tonsil are extremely rare. To the best of our knowledge, only 10 cases have thus far been previously documented in the English literature. A 37-year-old Chinese woman presented with a right palatine tonsil swelling and odynophagia 5 months after a surgical resection of rectal adenocarcinoma was performed. The patient underwent a tonsillectomy, and a metastatic poorly differentiated adenocarcinoma from a colorectal origin was revealed by immunohistochemical analysis. The manner in which tonsillar metastases are involved remains unknown and should be further studied. Here, we report a new case, briefly summarize these 10 cases and review the literature.

  13. Intraductal and invasive adenocarcinoma of duct of Luschka, mimicking chronic cholecystitis and cholelithiasis

    Directory of Open Access Journals (Sweden)

    Cheema Muhammad

    2009-01-01

    Full Text Available Abstract Background Intraductal and invasive adenocarcinoma of duct of Luschka is rare. To the best of our knowledge, this is the second case report of intraductal and invasive carcinoma arising from ducts of Luschka. Case presentation Patient presented to hospital with signs and symptoms of chronic cholecystitis and cholelithiasis. Ultrasound examination revealed thickening of gallbladder wall with abnormal septation around liver bed. Patient underwent laparoscopic cholecystectomy and resection of the adjacent liver bed. Histologic examination confirmed an intraductal and invasive adenocarcinoma arising from Luschka ducts. Conclusion Adenocarcinoma of ducts of Luschka should be considered among differential diagnoses for the patients with typical clinical presentations of chronic cholecystitis and cholelithiasis.

  14. Adenocarcinoma of lung masquerading as systemic auto-immune disease.

    Science.gov (United States)

    Naha, Kushal; Thakare, Sayali; Vivek, G; Prabhu, Mukhyaprana

    2012-06-14

    A 40-year-old previously healthy male presented with acute onset painless dimness of vision in both eyes since the past week and low-grade fever, anorexia and weight loss for the past 1 month. He had been evaluated at a local hospital and diagnosed to have a posterior cerebral artery territory infarct on the left side on the strength of cranial CT. Shortly after receiving antiplatelets and warfarin he had developed severe coagulopathy as evidenced by haematemesis, epistaxis and haematuria. Preliminary investigation revealed prolonged clotting parameters, renal failure and anaemia. Cerebral MRI showed multiple areas of cortical haemorrhage. In the course of his hospital stay, he developed further stigmata of auto-immunity including Coomb's positive haemolytic anaemia, recurrent venous thromboses and a palpable purpuric truncal rash. He was eventually diagnosed to have an adenocarcinoma of the lung, and was subsequently referred to an oncologist for further therapy.

  15. EGFR-Mutant Lung Adenocarcinoma Mimicking a Pneumonia

    Directory of Open Access Journals (Sweden)

    Álvaro Taus

    2012-01-01

    Full Text Available PET-CT scan has demonstrated to be very effective in lung cancer diagnosis and staging, but lung cancer has multiple ways of presentation, which can lead to an error in diagnosis imaging and a delay on the beginning of specific treatment. We present a case of a 77-year-old man with an initial PET-CT scan showing high 18F-FDG intake, suggesting a bilateral pneumonia, who was finally diagnosed of an EGFR-mutant lung adenocarcinoma. EGFR-activating mutation allowed us to start treatment with the oral tyrosin kinase inhibitor Gefitinib, obtaining a rapid and sustained response. Histological confirmation of imaging findings is always necessary to avoid diagnostic errors.

  16. Role of Radiotherapy in Aggressive Digital Papillary Adenocarcinoma.

    Science.gov (United States)

    Feldmeyer, Laurence; Prieto, Victor G; Ivan, Doina; Nagarajan, Priyadharsini; Tetzlaff, Michael T; Curry, Jonathan L; Bell, Diana; Moon, Bryan S; Torres-Cabala, Carlos A; Aung, Phyu P

    2016-01-01

    Aggressive digital papillary adenocarcinoma (ADPA) is a rare and often misdiagnosed malignant tumor of the sweat glands, most commonly encountered on the extremities. Due to the relatively high metastatic potential of the tumor, aggressive surgical treatment, including amputation, is generally recommended. We present a case of a 36-year-old male with an over 10-year history of a skin lesion on the right hand in the web space between the index and the middle finger. Histologically, the lesion revealed a malignant epithelioid neoplasm with features consistent with ADPA. The lesion was treated with 5-weeks preoperative radiation (total 5000 cGy) followed by surgical resection. There was no evidence of residual disease confirmed by pathological study of re-excision specimen as well as imaging studies. This is, to the best of knowledge, the first report of complete regression of an ADPA after radiotherapy.

  17. [Detection of T-antigen in colorectal adenocarcinoma and polyps].

    Science.gov (United States)

    Xu, S; Lu, Y; Wang, Q

    1995-10-01

    Galactose oxidase method was employed to detect the beta-D-Gal (1-->3) -D-Gal NAc residue of T-antigen present in the large intestinal mucus of 156 subjects. The positive rates of the test were 84.4%, 29.1%, and 7.2% in the mucus samples obtained from 32 patients with colorectal adenocarcinomas, 55 with polyps and 69 controls respectively. Chi-square test demonstrated that there were significant differences between the group of carcinoma and control (P < 0.001) as well as between also polyp and control (P < 0.01). The test had a high sensitivity (84.4%) and specificity (92.8%) in the diagnosis of colorectal cancer and may be used as a practical mass screening test for colorectal neoplasms.

  18. pANCA-vasculitis associated with rectal adenocarcinoma.

    Science.gov (United States)

    Hommel, C; Rihova, Z; Mokaddem, F; Libotte, B

    2014-12-01

    We report the case of a 69-year-old male patient who was admitted for fever, dry cough, recurrent sinusitis with epistaxis, anorexia with weight loss of 20 kg over a 3-month period, myalgia, and mononeuritis multiplex. He was diagnosed with pANCA/anti-MPO associated vasculitis and rectal adenocarcinoma. The tumor was treated by surgical resection. Recurrence of vasculitis occurred during steroid tapering which prompted us to add Mycophenolate mofetyl. A complete remission was achieved. We conclude that in the present case the vasculitis was an independent disease, not a paraneoplastic phenomenon. We discuss the value of different ANCA serologies for diagnostics and follow-up, the epidemiology of vasculitis associated with malignancy, and the concept of vasculitis as a paraneoplastic syndrome.

  19. Coexistence of xanthogranulomatous cholecystitis and gallbladder adenocarcinoma: a fortuitous association?

    Science.gov (United States)

    Limaiem, F; Chelly, B; Hassan, F; Haddad, I; Ben Slama, S; Lahmar, A; Bouraoui, S; Mzabi-Regaya, S

    2013-08-01

    Xanthogranulomatous cholecystitis is a relatively uncommon variant of chronic cholecystitis, characterized by marked thickening of the gallbladder wall and dense local adhesions. Not only does xanthogranulomatous cholecystitis mimic malignancy, it can also be infrequently associated with gallbladder carcinoma in 0.2% to 35.4% of cases. Herein, the authors report a new case of xanthogranulomatous cholecystitis concomitant with gallbladder adenocarcinoma in a 65-year-old female patient. Because of its overlapping clinical, radiological and macroscopic findings with gallbladder cancer, definitive diagnosis of xanthogranulomatous cholecystitis relies on extensive sampling and thorough microscopic examination of the surgical specimen to exclude the possibility of coexisting tumour. It is still a matter of debate whether xanthogranulomatous cholecystitis is truly a precursor of gallbladder carcinoma or if it is just an incidental finding. This aspect needs to be explored in the future with further studies.

  20. Gastric adenocarcinoma with features of endodermal sinus tumor

    Institute of Scientific and Technical Information of China (English)

    Malvinderjit Singh; Mukul Arya; Sury Anand; Nan Sandar

    2007-01-01

    Extragonadal germ cell tumors are rare. The most common sites for EGGCTs are in midline locations such as the mediastinum, retroperitoneum and pineal gland.These tumors rarely present in the stomach. We describe here a case where a middle aged man presented with typical symptoms of gastric cancer. After extensive workup, which included blood work, CT abdomen scan,upper endoscopy, and endoscopic ultrasound, the patient was diagnosed with gastric cancer. However,due to very high blood levels of alpha-fetoprotein, the specimen was sent for special histochemical staining,which demonstrated that the tumor had features of both adenocarcinoma and endodermal sinus tumor. This is a very aggressive tumor with a very poor prognosis.