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Sample records for bronchography

  1. Bronchography in patients with persistent cough

    International Nuclear Information System (INIS)

    Bronchography was performed together with a fibre-optic bronchoscopic study in 98 patients with persistent cough, 33 of whom also had haemoptysis. Finally there were chronic bronchitis in 62 patients, bronchiectasis in 21, subacute bronchitis in 9, inflammatory residuals in 3, pulmonary tuberculosis in 2 patients and metastases in one. In chronic bronchitis, the value of plain chest radiography was low. It was normal in 34 of 62 cases (55%), bronchography in 12 cases (19%). Mild cases of bronchitis were more numerous in bronchography than seen by scopist. Bronchiectasis was found in 21 patients, four of these unexpectedly (two in a tbc scar). Additionally, three cases were overdiagnosed by the radiologist on chest films and eight cases by the scopist with bronchoscopy. In patients with persistent cough and haemoptysis, bronchography mainly revealed alterations of bronchitis. (orig.)

  2. Evaluation of contrast media for bronchography

    International Nuclear Information System (INIS)

    Background. Bronchography is occasionally needed for the evaluation and management of some congenital pulmonary anomalies as well as some acquired diseases, usually of the tracheo- bronchial tree. There is currently no effective, approved contrast agent for this imaging tech- nique. Objective. We evaluated five agents (barium sulfate, iohexol, propyliodone oily, propyliodone aqueous, and perflubron) in terms of image quality, histologic changes, and effects on hemodynamics, blood gases, and standard laboratory tests in New Zealand White rabbits. Materials and methods. Animals were anesthetized and intubated. Each contrast agent (0.25 ml/kg) was administered intratracheally. Three animals in each group had intravenous lines placed for blood sampling and blood pressure monitoring and were sacrificed at 1 h. An additional three animals for each agent were sacrificed at 24 h and 1 week after imaging. Blood samples were taken immediately before contrast instillation and at 1 h postbronchography. Fluoroscopic images were recorded on standard VHS video tape and evaluated in blind fashion. Segments of lung tissue and bronchi were obtained for histologic examination. Results. Necrosis and/or inflammatory infiltrates were noted in 78 % of the bronchograms performed with propyliodone aqueous, 67 % with propyliodone oily, 55 % with perflubron, and 33 % with iohexol 120, 240 and 350. No histologic damage was observed with barium. The propyliodones gave the best-quality imaging results and the most histologic changes. Iohexol, in any concentration, gave the least acceptable images and a moderate number of histologic changes. Barium sulfate demonstrated acceptable images with virtually no histologic changes. Conclusion. From the histologic and imaging results, barium is the best available contrast material for bronchography. (orig.). With 6 figs., 4 tabs

  3. Bronchography in patients with the infections-allergic form of bronchial asthma

    International Nuclear Information System (INIS)

    Bronchography has been performed on 154 patients, having the infectious-allergic form of bronchial asthma. Pathologic changes on the bronchograms have been detected in 99 (64.3 %) patients. Deforming bronchitis, characterized by the different degree of manifestness and stretch, has been more frequent (49.3%), while bronchoectases (14.3%) and cirrhosis (0.7%) have been rarer findings

  4. Possibilities of bronchography in diagnosis of ventilatory failure in chronic pulmonary diseases

    International Nuclear Information System (INIS)

    Ventilatory disorders have been studied in 187 patients by means of X-ray examination of the respiratory tract and its functional changes with the help of improved method of aspiration bronchography. The data obtained permit to distinguish the causes of ventilatory function disorders (obstructive and restrictive alterations) and the process spreading (diffuse or regional character). Timely detection of these lesions could help to avoid undesirable consequences in the treatment of patients

  5. Round alectasis: Study with linear tomography, computed tomography and bronchography. Atelectasia redonda: Estudio con tomografia lineal, tomografia computerizada y broncografia

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    Garcia Aguayo, F.J.; Calpe, J.L.; Chiner, E.

    1990-01-01

    Diagnosis of round atelectasis (RA) has been carried out in five patients with simple radiography (SR) and linear tomography (LT). These procedures showed in all patients curved bronchovascular parcel towards pseudotumor, main diagnosis criterior. Computed tomography effectiveness was less than SR and LT, but revealed bilateral lesion in patient and moreover, shape, size and relations of RA with pleura. CT also showed in a patient AR development from effusion of slow resolution, corroborating pathogenic hypothesis of Hanke. In four cases bronchography was performed, confirming curvature and bronchial penetration in AR. (Author)

  6. Value of virtual tracheobronchoscopy and bronchography from 16-slice multidetector-row spiral computed tomography for assessment of suspected tracheobronchial stenosis in children

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    Honnef, Dagmar; Wildberger, Joachim E.; Das, Marco; Hohl, Christian; Mahnken, Andreas H.; Guenther, Rolf W.; Staatz, Gundula [University Hospital RWTH Aachen, Department of Diagnostic Radiology, Aachen (Germany); Barker, Michael [University Hospital RWTH Aachen, Department of Pediatrics, Aachen (Germany)

    2006-08-15

    To evaluate the value of dose-reduced 16-slice multidetector-row spiral computed tomography (16-MDCT) using virtual tracheobronchoscopy (VTB) and virtual bronchography (VBG) in children with suspected tracheobronchial stenosis. 12 children (4 d to 3 years, body weight 1.2 kg to 13.5 kg) with stridor and suspected tracheobronchial stenosis were examined by contrast-enhanced low-dose 16-MDCT. Conventional axial slices, MPRs, VTB, and VBG were calculated. Image findings were correlated with the results of fiberoptic bronchoscopy (12 out of 12) as a gold standard and subsequent surgery (8 out of 12). VTB and VBG demonstrated the fiberoptic bronchoscopically suspected tracheal stenosis in 11 of 12 children due to vascular compression because of the brachiocephalic trunk (6), a double aortic arch (2), a vascular compression of the left main bronchus (2), and a right aberrant subclavian artery (1). Eleven out of 12 stenoses were correctly depicted by conventional axial slices, MPRs, VTB, and VBG. Dose reduction was 79 to 85.8% compared to a standard adult chest CT. Dose-reduced 16-MDCT with the use of VTB and VBG is effective for the evaluation of tracheobronchial stenosis in children and correlates well with fiberoptic bronchoscopy. (orig.)

  7. Bronchography in dogs. Comparative study with two barium sulphate solutions

    International Nuclear Information System (INIS)

    Two solutions of barium sulphate, 60 and 30% w/v, were compared with the ''overflow'' Bronchographic method. Two groups of eight healthy adult does of both sexes, weighing 7 to 18 kg were used for the study. The dogs were anaesthetised with thiopentone sodium 2% (20 mg/kg iv). After intubation, each dog received contrast medium by a catheter connected to a syringe, in a 9 mi dose. Two series of two x-rays plates were taken in left lateral recumbent, 3 and 6 min after administering the contrast medium and in ventrodorsal projection, 30 sec. later. The x-ray plates obtained were analysed and compared intra and inter group considering the advance speed of the contrast medium, the radiographic density and outlines. Adverse reactions were controlled

  8. Bronchography by tantalum aerosols, an experimental investigation of lung clearance and retention

    International Nuclear Information System (INIS)

    Lung clearance of tantalum used as contrast medium has been studied in three animal species: rat, monkey and cat. In rats and monkeys, 80 to 90 percent of the inhaled tantalum was removed with a half life of 10 to 30 hr, but the residual fraction was removed with a half life longer than 100 days; consequently persistent roentgenographic pictures could be observed. These results were in accordance with those obtained by other authors studying dogs and men (accidental inhalation of radioactive tantalum). In cats, about 98 percent was removed with a half life of 15 hr and the remaining fraction with a half life of 18 days. In the three species, the physiological lung clearance mechanisms did not seem disturbed. Microscopic examination showed the peribronchiolar localisation of remaining tantalum in rats and monkeys, with proliferation of granulomes and fibrotic reaction. These results must induce to the greatest care when using tantalum in man in order to outline peripheral airways

  9. Broncografía en perros: Estudio comparativo con dos concentraciones de sulfato de bario Bronchography in dogs: Comparative study with two barium sulphate solutions

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    J. Thibaut

    1998-01-01

    Full Text Available Con el fin de comparar dos concentraciones de sulfato debario, 60 y 30% pv, mediante el método broncográfico "dederrame", se trabajó con dos grupos de 8 perros adultos, de ambossexos, clínicamente sanos, de 7 a 18 kg de peso, anestesiados contiopental sódico (2% en dosis de 20 mg/kg vía iv. El mediode contraste se aplicó previa intubación del paciente, conun catéter conectado a una jeringa en dosis de 9 ml para cada perro.Se tomaron dos series radiográficas por animal, a los 3 y 6 minde aplicado el medio de contraste, en proyección lateral izquierday luego ventrodorsal 30 seg después. Las radiografías obtenidasfueron analizadas y comparadas intra e intergrupo, considerando la velocidadde avance del medio de contraste, densidad y contorno radiográfico,así como la presentación de reacciones adversas. Los resultadosindican que la velocidad de avance fue mayor con la concentraciónal 30%, ya que alcanzó a los 3 min en ambas proyecciones las estructurasanatómicas terminales del árbol bronquial, provocando alveolarizacióndel medio de contraste, lo que aumentó a los 6 min. Por esto seconsideró más adecuada la concentración al 60% yaque avanza hasta los bronquios, sin alcanzar el nivel alveolar. La densidadradiográfica media predominó en los diferentes segmentosen ambas concentraciones, presentándose en mayor proporciónpara la concentración al 60% la densidad media a alta, y para laconcentración al 30% la densidad media a baja. El contorno radiográficodel árbol bronquial se observó mayoritariamente liso conla concentración al 60%, en ambos tiempos para ambas proyecciones.En la concentración al 30% los contornos irregulares se presentaronen similar proporción que los contornos lisos en ambas series radiográficas.No se registró reacción adversa posterior a la realizacióndel método broncográficoTwo solutions of barium sulphate, 60 and 30% w/v, were compared with the "overflow" Bronchographic method. Two groups of eight healthy adult dogs of both sexes, weighing 7 to 18 kg were used for the study. The dogs were anaesthetised with thiopentone sodium 2% (20 mg/kg iv. After intubation, each dog received contrast medium by a catheter connected to a syringe, in a 9 ml dose. Two series of two x-rays plates were taken in left lateral recumbent, 3 and 6 min after administering the contrast medium and in ventrodorsal projection, 30 sec. later. The x-ray plates obtained were analysed and compared intra and inter group considering the advance speed of the contrast medium, the radiographic density and outlines. Adverse reactions were controlled

  10. Diseases of the bronchi

    International Nuclear Information System (INIS)

    Roentgenologic semiotics of acute and chronic bronchites has been presented. It is shown, that in the combined daignosis of bronchi diseases roentgenograp hy and roentgenoscopy of lungs, roentgenofunctional tests and bronchography shou ld be used. For the diagnosis of broncholithiases, retention cysts and foreign bodies in bronchi the tomography, bronchography and bronchoscopy are used

  11. Method of diagnosis of chronic non-specific diseases of lungs in children

    International Nuclear Information System (INIS)

    Method of diagnosis of chronic nonspecific diseases of lungs in children using bronchography and arteriography is suggested to improve diagnosis accuracy. The method lies in simultaneous contrasting of all bronchial arteries of both lungs. The suggested method of diagnosis enabled to obtain data on pathology of bronchial arteries and bronchial structurs, to reveal additional information about propogation and character of pathologic process

  12. Comparison of the results of X-ray, endoscopic and radionuclide investigations in patients with deforming bronchitis

    International Nuclear Information System (INIS)

    Comprehensive investigation including panoramic chest X-ray, tomography, bronchofibroscopy with biopsy, bronchography, and comprehensive radionuclide investigation, were used in 233 patients with deforming bronchitis. All the patients were divided into 3 groups. Endoscopic findings corresponded to the results of comprehensive radionuclide investigation in all the groups

  13. Bronchographical findings in central bronci stenoses in infant age

    International Nuclear Information System (INIS)

    Four chosen examples of infant bronchi stenoses are described after a review of the patient collective. The etiology and the radiological signs and symptoms of bronchi stenoses in infant age are discussed. The prerequisites for bronchography in infants are discussed. (orig.)

  14. Physical properties and biocompatibility of UHMWPE-derived materials modified by synchrotron radiation

    OpenAIRE

    Bykova, Iu.; Weinhardt, V.; Kashkarova, A.; Lebedev, S.; Baumbach, T.; Pichugin, V.; Zaitsev, K.; Khlusov, I.

    2014-01-01

    The applications of synchrotron radiation (SR) in medical imaging have become of great use, particularly in angiography, bronchography, mammography, computed tomography, and X-ray microscopy. Thanks to recently developed phase contrast imaging techniques non-destructive preclinical testing of low absorbing materials such as polymers has become possible. The focus of the present work is characterization and examination of UHMWPE-derived materials widely used in medicine, before and after their...

  15. Diagnostic radiology of thoracic diseases. Textbook and atlas. 4. compl. rev. and enl. ed.; Radiologische Diagnostik der Thoraxerkrankungen. Lehrbuch und Atlas

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    Lange, Sebastian

    2010-07-01

    The book on diagnostic radiology of thoracic diseases covers the following topics: diagnostic techniques and normal diagnostic findings using x-ray radiography, CT, scintigraphy, angiography, bronchography, ultrasonography and NMR imaging; malformations; infections; emphysema, chronic lung diseases and asthma; inhalation damage and pneumoconiosis; neoplasm; vascular diseases; thorax injuries, pleura diseases, heart diseases, mediastinum diseases; midriff diseases; thoracic wall diseases; pathological pattern in CT; radiological indications and differential diagnostics; thoracic interventions.

  16. Comparison of imaging techniques in the diagnosis of bridging bronchus.

    Science.gov (United States)

    Baden, W; Schaefer, J; Kumpf, M; Tzaribachev, N; Pantalitschka, T; Koitschev, A; Ziemer, G; Fuchs, J; Hofbeck, M

    2008-05-01

    Bridging bronchus (BB) is a rare, congenital bronchial anomaly that is frequently associated with congenital cardiac malformations, especially left pulmonary artery sling. It represents an anomalous bronchus to the right originating from the left main bronchus. Discrimination from other bronchial anomalies is important, since BB is frequently associated with bronchial stenoses due to abnormal cartilage rings. This case study describes the findings of bronchoscopy, bronchography and multidetector computed tomography (MDCT) in three patients. Bronchoscopy was helpful in the description of the severity and length of bronchial stenoses. However, it was not possible to establish a diagnosis of BB based on this method in two patients, since it is difficult or even impossible to differentiate the bifurcation from the pseudocarina. It was not possible to establish the correct diagnosis in all patients based on bronchography or MDCT. MDCT was able to depict the relationship of bronchial and vascular structures, which is particularly important in patients with pulmonary artery sling. Multidetector computed tomography is preferable to bronchography as it is less invasive and due to its short acquisition time it can be performed in children with severe respiratory disease. In the current authors' experience, detection of cartilage rings still requires flexible bronchoscopy. PMID:18448507

  17. Obliterative bronchiolitis due to Mycoplasma pneumoniae infection in a child

    International Nuclear Information System (INIS)

    A six-year-old girl presented with Mycoplasma pneumoniae involving the right upper and lower lobes. She made a slow but complete recovery with resolution of the radiological changes. She represented 5 years later with a productive cough, recurrent wheezing and physical and radiological signs suggestive of obliterative bronchiolitis. This diagnosis was confirmed by ventilation - perfusion (dV/dt/dQ/dt) lung scan, and bronchography. The case highlights the value of dV/dt/dQ/dt scanning in the diagnosis of obliterative bronchiolitis and confirms the previous reports that mycoplasma infections are not always benign. (orig.)

  18. CT complete congenital eventration of diaphragm with aplasia of lung

    International Nuclear Information System (INIS)

    Diaphragmatic anomalies are commonly associated with unilateral pulmonary hypoplasias. However complete eventration of the diaphragm with aplasia of the ipsilateral lung is a rare combination of congenital anomalies. The clinical profile and computed tomography (CT) findings in a new-born with complete eventration of right hemidiaphragm and aplasia of right lung are presented. It is thus demonstrated that CT is a very effective, non invasive means of diagnosis which in the past depended largely on invasive procedures such as bronchography, angiography and thoracotomy. 16 refs., 3 figs

  19. Radiographic anatomy of the equine thorax as a basis for radiological interpretation

    International Nuclear Information System (INIS)

    This article describes the gross radiographic anatomy of the equine thorax observed on the lateral radiographic projection. The descriptions presented were derived from a retrospective study of a large number of thoracic radiographs of cases referred to the Massey University clinic in conjunction with research studies in bronchography, angiography and in vitro contrast techniques. The characteristics of the thoracic bony structures, the vasculature, and the airways are examined separately; followed by a discussion of the relative contribution of the various structures to the overall thoracic radiograph

  20. [Radiological examinations that have disappeared].

    Science.gov (United States)

    Puylaert, Carl B A J; Puylaert, Julien B C M

    2011-01-01

    If a radiologist from 1950 could travel in time to 2011, he or she would be baffled to see how few of the radiological examinations he was familiar with, remain. We review the radiological examinations that have disappeared since X-rays were discovered, and include the causes of their disappearance. Barium studies have mainly been replaced by endoscopy, oral cholecystography by ultrasound, and intravenous urography by CT-scan. Angiography by means of a direct puncture of carotid artery and aorta has been replaced by Seldinger angiography. Pneumencephalography and myelography have been replaced by CT and MRI. Bronchography has been replaced by bronchoscopy and CT-scan, arthrography by MRI and arthroscopy. Many other radiological examinations have been replaced by ultrasound, CT or MRI. PMID:21447222

  1. National synchrotron light source medical personnel protection interlock

    International Nuclear Information System (INIS)

    This report is founded on reports written in April 1987 by Robert Hettel for angiography operations at the Stanford Synchrotron Research Laboratory (SSRL) and a subsequent report covering angiography operations at the National Synchrotron Light Source (NSLS); BNL Informal Report 47681, June 1992. The latter report has now been rewritten in order to accurately reflect the design and installation of a new medical safety system at the NSLS X17B2 beamline Synchrotron Medical Research Facility (SMERF). Known originally as the Angiography Personnel Protection Interlock (APPI), this system has been modified to incorporate other medical imaging research programs on the same beamline and thus the name has been changed to the more generic Medical Personnel Protection Interlock (MPPI). This report will deal almost exclusively with the human imaging (angiography, bronchography, mammography) aspects of the safety system, but will briefly explain the modular aspects of the system allowing other medical experiments to be incorporated

  2. Pulmonary changes in cystic fibrosis

    International Nuclear Information System (INIS)

    Pulmonary abnormalities in cystic fibrosis result from the obstruction of small bronchi by highly viscous mucus. Chronic obstructive lung disease and recurrent pulmonary infections result in a typical radiographic pattern later in the disease. Most patients can now be expected to survive into adulthood. The radiologist must make a careful comparison of serial films in order to detect complications early. By far the most important imaging modality is the conventional chest radiograph. CT is more sensitive for detection of structural abnormalities of the lung. Bronchography is a dangerous procedure and can lead to rapid deterioration of lung function. Lung scanning is a very sensitive method for demonstrating regional disturbances of ventilation and may reveal abnormalities earlier than conventional radiographs. In severe hemoptysis, selective bronchial arteriography with embolization of the bleeding vessel can be a life-saving procedure. (orig.)

  3. Combined 133Xe/99mTc-HAM lung scan in children with recurrent and chronic bronchitis

    International Nuclear Information System (INIS)

    A total of 117 children with recurrent and chronic bronchitis aged from 2 months to 16 years were subjected to combined ventilation-perfusion scan of the lungs with 133Xe gas and 99mTc-HAM (human albumin microspheres). It served as a screening before bronchological examination with the aim to get a more exact indication for bronchography which leads to a higher stress in children because of anaesthesia and radioscopy. Due to combined lung scan, the number of bronchological examinations could be reduced from 109 in 1984 to 79 in 1985 and even to 54 in 1986. Among the 117 children suffering from bronchitis, normal scans in 16 cases, perfusion defects in 59 cases, combined ventilation-perfusion defects in 41 cases were found and one case showed a pure ventilation defect. The lung scan should be applied in the framework of bronchopulmonary standard diagnosis. (author)

  4. Clinicoroentgenological control in chronic pneumonia

    International Nuclear Information System (INIS)

    A comprehensive clinicoroentgenological study was used to examine 494 patients with chronic pneumonia. Morphological and functional changes observed in the pulmonary pare and functional changes observed in the pulmonary parenchyma and bronchial tree were studied. Types of pneumosclerosis, tigns of exacerbation of chronic pneumonia and abscess formation, morphological and functional disorders of bronchial penetrability in the pneumonic zone were described. Three forms of chronic pneumonia: bronchial, bronchiectatic and abscessing are signled out. The bronchial form is subdivided into chronic pneumonia with chronic bronchitis without deformity and wi.th deforming chronic bronchitis. In the bronchiectatic form pneumonia can be with cylindrical, saccular and cyst-like bronchiectasia. The general diagnosis of chronic pneumonia is established clinically depending on type and variants in 89-94% of cases, by X-ray and sonographic findings in all patients; types and variants of disease are most frequently defined after bronchography

  5. Diagnosis of chronic pulmonary emphysema with introduction of computed tomography

    International Nuclear Information System (INIS)

    Early or slight chronic pulmonary emphysema (CPE) may be difficult to diagnose. Therefore, this study examined local and overall lung CT densities, pulmonary function, and clinical features in 15 patients with selective alveolo-bronchography-proven CPE and 9 healthy volunteers to establish the method for diagnosing CPE early. Selective alveolo-bronchography revealed a ring shadow of 900 μm or more in all patients. CT densities in the whole lung, and all of the upper, horizontal middle, lower, anterior, frontal middle, and posterior regions were significantly lower in the CPE group than the control group. Mean CT density in the upper region was significantly lower than in the lower region in the CPE group, although there was no difference in CT densities between the upper and lower regions in the control group. In the control group, mean CT density in the anterior region was significantly lower than in the posterior region. Mean values of FVC, %FVC, FFV1.0, FFV1.0%, PEF, and V50/V25 were significantly decreased in the CPE group. Mean lung CT densities were capable of detecting CPE in 12 patients. There was significant correlation between mean CT densities and both FEV1.0% and PEF. The discrepancy in CT density between the upper and lower regions showed a positive correlation to V50/V25. According to clinical features, patients having persistent cough and sputum had a larger diameter of ring shadow and a great difference in CT density between the upper and lower regions than those having dyspnea. The existence of both cough and sputum seemed to be associated with inhomogeneously destroyed alveoli. In conclusion, when FEV1.0% of 55%-80% and V50/V25 of 3.2 or more are seen in patients with chronic obstructive pulmonary disease or cigarette smokers aged 40 years or over, and when CT reveals mean lung density of -912 H.U. or less or the difference of 23 H.U. or more in the upper and lower regions, emphysema can be diagnosed clinically. (N.K.)

  6. Reversible bronchial dilatation in children: comparison of serial high-resolution computer tomography scans of the lungs

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    Gaillard, E.A. E-mail: erol.gaillard@lwh-tr.nwest.nhs.uk; Carty, H.; Heaf, D.; Smyth, R.L

    2003-09-01

    Introduction: bronchiectasis is generally considered irreversible in the adult population, largely based on studies employing bronchography in cases with a significant clinical history. It is assumed, that the same is true for children. Few studies have examined the natural history of bronchiectasis in children and diagnostic criteria on high-resolution computer tomography of the lungs are derived from studies on adults. Frequently, bronchiectasis is reported in children in cases where localised bronchial dilatation is present, incorrectly labelling these children with an irreversible life-long condition. Objective: to evaluate changes in appearance of bronchial dilatation, unrelated to cystic fibrosis in children, as assessed by sequential high-resolution computer tomography (HRCT) of the lungs. Methods: the scans of 22 children with a radiological diagnosis of bronchiectasis, seen at Alder Hey Children's Hospital between 1994 and 2000, who had at least two CT scans of the lungs were reviewed by a single radiologist, who was blinded to the original report. Results: following a median scan interval of 21 months (range 2-43), bronchial dilatation resolved completely in six children and there was improvement in appearances in a further eight, with medical treatment alone. Discussion: a radiological diagnosis of bronchiectasis should be considered with caution in children as diagnostic criteria derived from studies in adults have not been validated in children and the condition is generally considered irreversible.

  7. Unilateral hypoperfusion lung

    International Nuclear Information System (INIS)

    The term unilateral hypoperfusion lung (UHL) is here used to indicate decreased unilateral activity of the lung as determined in the lung perfusion scintigram. The same condition has been referred to by other authors as absent perfusion of one lung, unilateral absence of pulmonary artery perfusion, total lack of pulmonary artery perfusion of one lung, bloodless lung, decreased unilateral perfusion of the lung, unilateral pulmonary hypoperfusion, nonperfusion of one lung and absence of radioactivity over one lung. We studied 59 cases of UHL, including pulmonary carcinoma, bronchial foreign body, hypo- or a-plasia of the lung or pulmonary artery, unilateral pleural effusion, post-operative and Swyer-James syndrome. Using scintigram, UHL was found even where slight or no abnormalities showed up on plain x-ray film, and the finding of UHL was especially useful to evaluate blood flow in the lucent or hyperlucent lung. Scintigraphic and pulmonary arteriogram findings corresponded. Bronchography or ventilation scintigraphy with 133Xe gas was also performed in some cases, and this additional ventilation study was effective in advanced diagnosis of chest diseases. On the other hand, ''Gamut'' which indicates a complete list of causes of a particular x-ray finding is available in the differential diagnosis or resident training. In a field of nuclear medicine, a gamut approach had also begun to be applied recently, so UHL was evaluated at this point of view. (author)

  8. Torsion (volvulus) of the lung

    International Nuclear Information System (INIS)

    Torsion or volvulus of the lung is a relatively rare but serious condition that can often be recognized or at least suspected radiographically. It occurs under three different sets of circumstances: spontaneously, usually in association with some other pulmonary abnormality; with traumatic pneumothorax; and as a complication of thoracic surgery. The author studied nine cases of torsion of the lung, including examples from each of these categories. The radiographic signs of torsion are as follows: a collapsed or consolidated lobe that occupies an unusual position, hilar displacement in a direction inappropriate for an apparently collapsed lobe, alteration of the normal position and sweep of the pulmonary vasculature, raid opacification of an ipsilateral lobe after trauma or lobectomy, marked change in position of an opacified lobe on sequential films, bronchial cutoff with no evidence of a mass, abnormal position of an affected lobe (shown on CT, angiography, or bronchography), and lobar air trapping. Mortality is high if the torsion goes unrecognized and operation is delayed

  9. A patient positioning system for the ESRF medical imaging facility

    International Nuclear Information System (INIS)

    The medical imaging facility of the ESRF is devoted to human coronary angiography, computed tomography, diffraction enhanced imaging (DEI), bronchography, and also radiation therapy programs. Most of the imaging is performed in a satellite building located at 150 m from the wiggler source (H. Elleaume et al., Nucl. Instr. and Meth. A 428 (1999) 513). A multi-purpose device known as the Patient Positioning System (PPS or medical chair) has been designed to perform in different modes of research on patients. This device operates in the angiography mode, with alternating up and down movements in 1.6 s cycles over a period of about 30 s. The tomography mode is used mainly for the imaging of the brain. It consists of turning the patient around an axis perfectly perpendicular to the beam plane. A dual-energy scan involves two rotations with one image recorded each turn at a different energy (Phys. Med. Biol. 45 (2000) L39). The first angiography imaging on patients was undertaken in January 2000 after successful pre-clinical tests on animals

  10. New frontiers in CT imaging of airway disease

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    Grenier, Philippe A.; Beigelman-Aubry, Catherine [Department of Radiology, University Pierre et Marie Curie, Paris (France); Fetita, Catalin; Preteux, Francoise [Institut National des Telecommunications, Department ARTEMIS, Evry (France); Brauner, Michel W. [Avicenne Hospital, UFR SMBH Paris XIII, Bobigny (France); Lenoir, Stephane [Institut Mutualiste Montsouris, Paris (France)

    2002-05-01

    Combining helical volumetric CT acquisition and thin-slice thickness during breath hold provides an accurate assessment of both focal and diffuse airway diseases. With multiple detector rows, compared with single-slice helical CT, multislice CT can cover a greater volume, during a simple breath hold, and with better longitudinal and in-plane spatial resolution and improved temporal resolution. The result in data set allows the generation of superior multiplanar and 3D images of the airways, including those obtained from techniques developed specifically for airway imaging, such as virtual bronchography and virtual bronchoscopy. Complementary CT evaluation at suspended or continuous full expiration is mandatory to detect air trapping that is a key finding for depicting an obstruction on the small airways. Indications for CT evaluation of the airways include: (a) detection of endobronchial lesions in patients with an unexplained hemoptysis; (b) evaluation of extent of tracheobronchial stenosis for planning treatment and follow-up; (c) detection of congenital airway anomalies revealed by hemoptysis or recurrent infection; (d) detection of postinfectious or postoperative airway fistula or dehiscence; and (e) diagnosis and assessment of extent of bronchiectasis and small airway disease. Improvement in image analysis technique and the use of spirometrically control of lung volume acquisition have made possible accurate and reproducible quantitative assessment of airway wall and lumen areas and lung density. This contributes to better insights in physiopathology of obstructive lung disease, particularly in chronic obstructive pulmonary disease and asthma. (orig.)

  11. A patient positioning system for the ESRF medical imaging facility

    Science.gov (United States)

    Dabin, Y.; Draperi, A.; Elleaume, H.; Charvet, A.-M.; Brochard, T.; Perez, M.; Nemoz, C.; Blattmann, G.; Renier, M.; Fournier, F.; Dupuy, J.-L.; Lemoine, B.; Bouhaniche, P.; Thomlinson, W.; Suortti, P.

    2001-07-01

    The medical imaging facility of the ESRF is devoted to human coronary angiography, computed tomography, diffraction enhanced imaging (DEI), bronchography, and also radiation therapy programs. Most of the imaging is performed in a satellite building located at 150 m from the wiggler source (H. Elleaume et al., Nucl. Instr. and Meth. A 428 (1999) 513). A multi-purpose device known as the Patient Positioning System (PPS or medical chair) has been designed to perform in different modes of research on patients. This device operates in the angiography mode, with alternating up and down movements in 1.6 s cycles over a period of about 30 s. The tomography mode is used mainly for the imaging of the brain. It consists of turning the patient around an axis perfectly perpendicular to the beam plane. A dual-energy scan involves two rotations with one image recorded each turn at a different energy (Phys. Med. Biol. 45 (2000) L39). The first angiography imaging on patients was undertaken in January 2000 after successful pre-clinical tests on animals.

  12. Clinical applications of radionuclide lung scanning in infants and children

    International Nuclear Information System (INIS)

    Krypton 81m ventilation and technetium 99m perfusion lung scans in anterior, posterior and oblique views in 86 children (age range 14 days to 15 years) with various paediatric problems were obtained. Four main areas of clinical usefulness were found: (a) Establishing the diagnosis; in a relatively small number of patients the lung scan was essential for establishing the exact diagnosis or directing attention to the abnormal area. (b) Refuting a diagnosis: the two main groups in this category include possible bronchiectasis and inhaled foreign body. (c) Radionuclide studies enable one to assess and follow up the extent of the disease in children with lower respiratory problems; a lung scan may obviate the need for bronchography in bronchiectatics failing to respond to medical treatment and for whom surgery is being considered. Repeat studies are useful in following the natural history or the response to treatment of various lung conditions. (d) Assessing the success of surgical procedures on the heart and on abnormal pulmonary arteries. 81Krsup(m) ventilation/99Tcsup(m) perfusion scanning were particularly useful in small children in whom tests of overall pulmonary function could not be carried out because of lack of co-operation. (author)

  13. Malignant pulmonary neoplasms causing airspace consolidation : CT findings

    International Nuclear Information System (INIS)

    To determine the CT findings of consolidative malignant neoplasms of the lung. Seventeen patients in whom pulmonary consolidation was seen on chest radiography were involved in this study. In all cases malignancy was subsequently proven;the neoplasms involved were bronchioloalveolar carcinoma (n=9), malignant lymphoma (n=4), mucoepidermoid tumor (n=1), metastasis from colon cancer (n=2), and metastasis from pancreatic mucinous adenocarcinoma (n=1). CT images were retrospectively analyzed in terms of enhancement pattern of the consolidation, morphologic appearance of an air-bronchogram, CT angiogram sign, pseudocavitation, and lymphadenopathy. Visually assessed enhancement pattern of the consolidation showed lower attenuation than adjacent muscles in bronchioloalveolar carcinoma (8/9) and metastasis (1/3);isoattenuation in malignant lymphoma (3/4), mucoepidermoid carcinoma (1/1), and metastasis (1/3); and higher attenuation in bronchioloalveolar carcinoma (1/9), malignant lymphoma (1/4), and metastasis (1/3). Among the 15 of 17 patients for whom an airbronchogram was available, a stretching and squeezing pattern was seen in bronchioloalveolar carcinoma (4/9), malignant lymphoma (3/4), and metastasis (1/3). CT angiogram sign was identified in bronchioloalveolar carcinoma (5/9), malignant lymphoma (2/4), and metastasis (3/3). Pseudocavitation was observed in two patients with bronchioloalveolar carcinoma, while lymphadenopathy was seen in bronchioloalveolar carcinoma (4/9), malignant lymphoma (3/4), and metastasis (1/3). Conglomerate and extrathoracic lymphadenopathy are commonly associated with malignant lymphoma. Malignant neoplasms which apper as consolidative lung lesions appear not only as bronchioloalveolar carcinoma, which is well known, but also in other forms. Although these lesions cannot be differentiated on the basis of air-bronchography and CT angiography, poor enhancement of consolidative lesion and pseudocavitation are characteristic findings of

  14. Malignant pulmonary neoplasms causing airspace consolidation : CT findings

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Bong Soo; Park, Choong Ki; Kim, Kwon Hyung; Bae, Jae Ik; Park, Dong Woo; Kim, Yong Soo; Choi, Yo Won; Jeon, Seok Chol; Hahm, Chang Kok [Hanyang Univ. College of Medicine, Seoul (Korea, Republic of); Baek, Jung Hwan [Dae Rim St. Mary' s Hospital, Seoul (Korea, Republic of)

    1999-11-01

    To determine the CT findings of consolidative malignant neoplasms of the lung. Seventeen patients in whom pulmonary consolidation was seen on chest radiography were involved in this study. In all cases malignancy was subsequently proven;the neoplasms involved were bronchioloalveolar carcinoma (n=9), malignant lymphoma (n=4), mucoepidermoid tumor (n=1), metastasis from colon cancer (n=2), and metastasis from pancreatic mucinous adenocarcinoma (n=1). CT images were retrospectively analyzed in terms of enhancement pattern of the consolidation, morphologic appearance of an air-bronchogram, CT angiogram sign, pseudocavitation, and lymphadenopathy. Visually assessed enhancement pattern of the consolidation showed lower attenuation than adjacent muscles in bronchioloalveolar carcinoma (8/9) and metastasis (1/3);isoattenuation in malignant lymphoma (3/4), mucoepidermoid carcinoma (1/1), and metastasis (1/3); and higher attenuation in bronchioloalveolar carcinoma (1/9), malignant lymphoma (1/4), and metastasis (1/3). Among the 15 of 17 patients for whom an airbronchogram was available, a stretching and squeezing pattern was seen in bronchioloalveolar carcinoma (4/9), malignant lymphoma (3/4), and metastasis (1/3). CT angiogram sign was identified in bronchioloalveolar carcinoma (5/9), malignant lymphoma (2/4), and metastasis (3/3). Pseudocavitation was observed in two patients with bronchioloalveolar carcinoma, while lymphadenopathy was seen in bronchioloalveolar carcinoma (4/9), malignant lymphoma (3/4), and metastasis (1/3). Conglomerate and extrathoracic lymphadenopathy are commonly associated with malignant lymphoma. Malignant neoplasms which apper as consolidative lung lesions appear not only as bronchioloalveolar carcinoma, which is well known, but also in other forms. Although these lesions cannot be differentiated on the basis of air-bronchography and CT angiography, poor enhancement of consolidative lesion and pseudocavitation are characteristic findings of

  15. Ventilatory steady state measurement of regional pulmonary function with 133Xe, 2

    International Nuclear Information System (INIS)

    The ventilatory steady state measurement with 133Xe, using a xenon lung function unit and a large area scintillation camera combined with a computer analysing technique has been employed to evaluate the regional pulmonary functions of 7 normal subjects and 6 patients with emphysema, chronic bronchitis, bronchial asthma, lung cancer and progressive systemic sclerosis (PSS). Regional ventilation indices, perfusion indices and clearance half-times were calculated for each lung field divided into 24 zones. Comparing these data with clinical courses, routine pulmonary function data and X-ray findings, the measurement of regional pulmonary function with 133Xe showed to be very useful in clinical application. In the patient with emphysema, clearance half-times were markedly prolonged in all lung fields and ventilation indices balanced comparatively. In contrast to these findings, in chronic bronchitis, ventilation indices were reduced and clearance half-times were slightly prolonged in areas showing inflammation detected by bronchography. Regional ventilatory impairment was found in the patient with bronchial asthma in remission, however, indices in perfusion remained almost normal. In view of reproducibility, the clearance half-time seemed to be a better parameter than the ventilation index by the single breath method for the estimation of regional ventilation. Comparing such parameters in a patient with lung cancer before and after treatment by 60Co irradiation, the blood flow was restored remarkably even in impaired lung fields. As clearance half times were prolonged and perfusion indices were reduced in limited lower lung zones of the patient with PSS, it was considered that interstitial fibrosis and local emphysematous changes have been progressive in these regions. (auth.)

  16. 静脉注射利多卡因对芬太尼诱导的咳嗽反应的影响%EFFECTS OF INTRAVENOUS LIDOCAINE ON FENTANYL-INDUCED COUGH

    Institute of Scientific and Technical Information of China (English)

    唐琦峰; 钱燕宁; 张洪兴

    2009-01-01

    目的:研究静脉注射利多卡因对芬太尼诱导的咳嗽反应的影响.方法:择期行全麻手术病人60例,随机分为3组,Ⅰ组在芬太尼注射前1分钟静脉注射利多卡因(1mg/kg),Ⅱ组在芬太尼注射前1分钟静脉注射利多卡因(2mg/kg),Ⅲ组为对照组.分别观察芬太尼注射后的咳嗽反射情况,咳嗽1-2次为轻微,3-4次为中等,5次以上为重度.结果:Ⅰ组、Ⅱ组和Ⅲ组咳嗽反应的发生率为分别为25%、30%和65%,Ⅰ组、Ⅱ组咳嗽反应的发生率明显低于Ⅲ组(P<0.05),Ⅰ组和Ⅱ组比较无明显差别(P>0.05).结论:芬太尼注射前1分钟静脉注射利多卡因1mg或2mg可有效减轻芬太尼诱导的咳嗽反射;芬太尼注射前1分钟静脉注射利多卡因的量对减轻芬太尼诱导的咳嗽反射区别不大.%Fentanyl is commonly used as a pre-induction adjunct because of its quick onset,short duration of action,intense analgesia,and cardiovascular stability,but a pre-induction bolus dose of fentanyl elicits cough.Fentanyl-induced cough is common but has not been viewed as a serious anesthetic problem.Intravenous lidocaine suppresses the cough reflex during endotracheal intubation,extubation,bronchography,bronchoscopy and laryngoscopy[1-3].It has been found effective when given intravenously to suppress the cough reflex of endotracheal intubation and cough induced by manual displacement of the endotracheal tube and instillation of distilled water into the trachea in anesthetized patients[2].We evaluated the different dose of lidocaine for suppression of fentanyl-induced cough in this randomized,prospective and placebo-controlled study.

  17. Radiologic evaluation of right middle lobe collapse

    International Nuclear Information System (INIS)

    There are many pathogenetic factors for collapse of right middle lobe; profuse peribronchial clustering of lymph nodes about the right middle lobe bronchus, poor drainage of the bronchus because of its acute angle of take-off from the intermediate bronchus, and the isolation of this small lobe from the right upper and lower lobes, and thus from the aerating effects of collateral ventilation. Retrospectively we reviewed 36 cases of right of right middle lobe collapse of which causes were confirmed by histopathologic or bronchographic findings during the recent 6 years from March 1983 to February 1988 at Inje College Pusan Paik Hospital, and obtained the following results: 1. Male to female ratio was 1:1:4,and peak incidence (64%) was in the fifth and sixth decades with the mean age of 51.1 years. 2. Bronchiectasis was the most common cause (30.6%), and the others were chronic bronchitis (25.0%), pulmonary tuberculosis (19.4%), lung cancer (16.7%), and non-specific inflammatory disease (8.3%). This suggests benign disease is 5 times more common cause of right middle lobe collapse than lung cancer. 3. Among the plain chest radiolograph findings, obliteration of right cardiac border and triangular radiopaque density were the most frequent findings(77.8% in each) and the next was downward and anterior displacement of minor and major fissures (55.6%) 4. Bronchography was done in 11 cases; bronchiectasis was found in 8 cases and chronic bronchitis in 3 cases. Right middle lobe bronchus was obstructed in 2 cases of chronic bronchitis. 5. Chest CT scan was performed in 4 cases of lung cancer, 2 of non-specific inflammatory disease, and 1 of pulmonary tuberculosis: all of lung cancer revealed hilar mass, budged or lobulated fissures, in homogenous density, and mediastinal lymph node enlargement, and all benign disease showed homogenous density and flat to concave fissures. Right middle lobar bronchus narrowing was seen in 5 cases and its obstruction in 2 cases

  18. [Benign endobronchial tumors].

    Science.gov (United States)

    Nikhtianov, Kh

    1980-01-01

    Endobronchial localizations of benign neoplasms are met with in 24.5 per cent of the cases. Right lung localizations are more frequent. More than half of them are broadly based (57.5 per cent). In most of the cases it is a matter of nonepithelial tumours of which a greater intensity is displayed by hamartomas /7/, vascular /4/ and neurogenic /3/ neoformations. The size of endobronchial tumours varies from 1 to 10 cm. Cases measuring 1-3 cm are the most numerous. Those of the "iceberg" type appear to be larger. The size per se has a relative importance for the clinical picture. Endobronchial tumours exhibit a clear cut clinical picture, and run a clinical course in three stages, determined by the degree of bronchial obturation and longstanding of the condition. The most common symptoms are coughing /80.7 per cent/, expectoration /50.0 per cent/, rales /57.6 per cent/, dullness /38.4 per cent/ and lacking respiration /38.4 per cent/. The nosological entity by itself is less conclusive for the clinical course. The X-ray data have orientation and by no means decisive significance for the diagnosis. The "crab pincers" sign in the bronchial lumen during bronchography has a definite importance. Bronchoscopy in conjunction with biopsy is a dependable method of preoperative diagnosing. It contributes greatly to the nosological diagnosis. Even nowadays, the diagnosis of endobronchial tumours is difficult. A rather exact diagnosis can be made intraoperatively, whereas the most accurate diagnosis is established only after histological study. The treatment of endobronchial benign neoplasms is operative. The number of medium /lobectomies/ and extensive /pulmonectomies/ pulmonary resections is considerable. In case of early diagnosis and intervention, sparing resection is the naturally indicated size of operation - mainly resection and plasty of the bronchi without lobectomy. The advantages of circular resection are substantial. Reconstructive operations of "clarinet" and

  19. FÍSTULA BÍLIO-BRÔNQUICA: RELATO DE CASO E REVISÃO DE LITERATURA

    Directory of Open Access Journals (Sweden)

    OLAVO RIBEIRO RODRIGUES

    1998-10-01

    -up was observed a total regression of the bilioptysis and disappearance of the jaundice after the seventh postoperative day. The patient was submitted to bronchography that did not reveal anatomical changes on the right lowers bronchi by biliary flood. The patient is on the seventh postoperative year without any evidence of the disease.