endosonography; a new technology
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چکیده
endosonography; a new technology
منابع مشابه
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متن کاملEndosonography in bronchopulmonary disease.
The diagnostic approach to diseases of the mediastinum is divided into two phases: (1) imaging techniques and (2) procedures for obtaining tissue samples for cytologic and histologic examination. The latter has for many years represented a considerable challenge to the clinician. Often invasive procedures in general anaesthesia as mediastinoscopy or thoracoscopy have been necessary. However, th...
متن کاملRectal and anal endosonography.
Rectal and anal endosonography Conventional ultrasound using an external transducer on the body wall has an important limitation. A balance has to be struck between the better resolution of a high frequency transducer and its focal length. To obtain really good images the transducer has to be as close to the organ of interest as possible. The idea of using an ultrasound transducer inside a body...
متن کامل[Endosonography: a review of applications in gastroenterology].
Endosonography is a very important method of investigation in several specialties. It allows the gastroenterologist to reach organs and structures, that may not be seen by percutaneous ultrasound performing a closer imaging of them. Endoscopic ultrasound was initially introduced as a pure diagnostic tool. Nowadays there are many therapeutic interventions that can be done endosonographically. Th...
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Endoscopic ultrasound (EUS) was initially developed in the early 1980s as a research tool to overcome limitations of transabdominal ultrasound for an examination of the pancreas caused by intervening gas, bone, and fat. Since its introduction into clinical practice, EUS has revolutionized the diagnosis and treatment of gastrointestinal disorders, particularly pancreatic cancer. The ability to p...
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گوارشجلد ۵، شماره ۲۵&۲۶، صفحات ۲۲-۰
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