نتایج جستجو برای: mediastinum

تعداد نتایج: 9124  

Journal: :Journal of applied physiology 2010
André De Troyer Matteo Cappello Dimitri Leduc Pierre Alain Gevenois

The objective of this study was to evaluate the role of the mediastinum in the mechanics of the canine diaphragm. Two sets of experiments were performed. In the first experiment on five animals, the mediastinum was severed from the sternum to the vena cava, and radiopaque markers were attached to muscle bundles in the midcostal region of the diaphragm. The three-dimensional location of the mark...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2008
Adrian P Businger Harald Frick Martin Sailer Markus Furrer

Several types of cysts in the mediastinum have been described, such as bronchogenic or thymic cysts and esophageal duplications, most of which arise in the middle or posterior mediastinum close to the tracheobronchial system or the esophagus. We present herein the rare case of a ciliated cyst anatomically distant to the genitourinary organs. An abnormal formation in the posterior mediastinum wa...

Journal: :Japanese journal of clinical oncology 1998
A Kitami T Suzuki S Suzuki G Hori

Primary mediastinal seminoma is an uncommon tumor usually located in the anterior mediastinum. The majority of cases occur in young males. We report here an extremely rare case of a 69-year-old male with primary seminoma in the middle mediastinum. The patient had no complaints, but an abnormal shadow was seen in a routine chest X-ray. We performed a tumorectomy in the middle mediastinum, a thym...

Journal: :Archives of surgery 1998
D Demetriades H Gomez G C Velmahos J A Asensio J Murray E E Cornwell K Alo T V Berne

BACKGROUND The indications and method of evaluation of the mediastinum in blunt deceleration trauma are controversial and vary among centers. Most centers practice a policy of angiographic evaluation only in the presence of an abnormal mediastinum on chest radiography. Routine aortography in the absence of any mediastinal abnormality is not widely practiced. Helical computed tomographic (CT) sc...

2011
Riccardo Del Vescovo Roberto Luigi Cazzato Sofia Battisti Francesco D'Agostino Bruno Vincenzi Rosario Francesco Grasso Bruno Beomonte Zobel

INTRODUCTION Neuroendocrine tumors are a rare but diverse group of malignancies that arise in a wide range of organ systems, including the mediastinum. Differential diagnosis includes other masses arising in the middle mediastinum such as lymphoma, pericardial, bronchogenic and enteric cysts, metastatic tumors, xanthogranuloma, systemic granuloma, diaphragmatic hernia, meningocele and paraverte...

2007
Soo Jin Choi Gou Young Kim Jae Ik Lee

tumors. They account for less than 0.5% of all the masses found in the mediastinum (1, 2). Over 90% of these tumors are cavernous or capillary hemangiomas. Venous hemangiomas in the mediastinum are extremely rare (1, 2). The CT findings of hemangiomas that have been reported in the world literature are well-marginated solid masses in the mediastinum with a central collection of contrast materia...

2012
Priscilla Magno Mouen A. Khashab Manuel Mas Samuel A. Giday Jonathan M. Buscaglia Eun Ji Shin Xavier Dray Anthony N. Kalloo

Background. NOTES techniques allow transesophageal access to the mediastinum. The aim of this study was to assess the feasibility of transesophageal biopsy of thoracic vertebrae. Methods. Nonsurvival experiments on four 50-kg porcine animals were performed. Transesophageal access to the mediastinum was attained using submucosal tunneling technique. Results. The posterior mediastinum was success...

Journal: :Chest 1973
G Kaplan E F Sarino D J Principato

Journal: :iranian journal of radiology 0
farheen badar department of radiodiagnosis, j.n. medical college, a.m.u, india; department of radiodiagnosis, j.n. medical college, a.m.u, india. tel: (+91)9557632800 shagufta yasmeen department of pathology, j.n. medical college, a.m.u, india nishat afroz firoz hospital, aligarh, india nazoora khan shah f. azfar

mediastinal teratomas are usually asymptomatic tumors, located most commonly in the anterior mediastinum. very rarely, such tumors may rupture into the tracheobronchial tree, lung, pleura or pericardium. computed tomography (ct) is helpful in the diagnosis and differentiation of ruptured and unruptured tumors. we report a case of ruptured anterior mediastinal teratoma in a 20-year-old female pr...

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