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...

AIM To study the pathophysiology of defecation disorders in patients with primary pelvic organ prolapse (POP) and the diagnostic potential of anorectal function testing (AFT) including endosonography in the work-up of these patients. METHODS 59 Patients were evaluated with a validated questionnaire, clinical examination, AFT and endosonography. RESULTS Women with POP showed lower squeezing ...

CONTEXT Endosonography-guided biliary drainage has been used over the last few years as a salvage procedure when endoscopic retrograde cholangiopancreatography fails. Malignant gastric outlet obstruction may also be present in these patients. We report the results of both procedures during the same session in patients with duodenal and biliary obstruction due to malignant disease. METHODS A r...

background: insulinoma  was a rare pancreatic neuroendocrine tumor. insulinoma  was more likely to present as one small size tumor in head of pancreas in middle age .surgery  was  a curative treatment.the aim of this study was to present clinical characteristics of insulinoma tumors in pancreas and their outcomes after tumor resection from a referral endosonography center in iran. materials and...

Aims: Dyschesia can be provoked by inappropriate defecation movements. The aim of this prospective study was to demonstrate dysfunction of the anal sphincter and/or the musculus (m.) puborectalis in patients with dyschesia using anorectal endosonography. Methods: Twenty consecutive patients with a medical history of dyschesia and a control group of 20 healthy subjects underwent linear anorectal...

background : the portal system and azygos vein are the main drainage systems during portal hypertension. this study aims to compare the diameter of these veins by endoscopic ultrasonography (eus) inpatients with and without chronic liver disease (cld). materials and methods : during one year, patients with cld enrolled as the study group. patients who underwent eus for other reasons during the ...

lipomas are rare gastric tumors that comprise less than 1% of gastric tumors. these tumors are usually without clinical manifestations, but sometimes they may present with severe symptoms like bleeding,intussusception, or abdominal pain. in endoscopic assessment, they manifest with subm ucosal masses with intact epithelium. endosonography and ct scan can help in diagnosis. surgical resection of...