Endosonography in diagnosing and staging duodenal villous adenoma.
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چکیده
منابع مشابه
Endosonography in diagnosing and staging duodenal villous adenoma.
Endosonography was carried out in a patient with an extensive juxtapapillary tumour. Radiology and endoscopy were unable to distinguish a villous adenoma from an invasive carcinoma. Endosonography revealed a mucosal hypoechoic tumour without penetration into the submucosa and muscularis propria. The common bile duct, pancreatic duct, and pancreas were normal. Lymph node abnormalities were not f...
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Serum amylase levels in patients in this type of coma without clinical evidence of pancreatitis have seldom been reported and have usually been normal. The level reported in the present patient was raised but not enough to be diagnostic of acute pancreatitis. Although acute renal failure does produce raised levels it is unlikely to have been the cause here, because the amylase level fell to nor...
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Villous adenomas of the duodenum behave in a manner similar to villous adenomas of the colon and rectum, having both a high rate of recurrence after local treatment and a high incidence of malignant transformation. Villous adenomas of the duodenum are the most common benign periampullary neoplasms. They are considered as premalignant lesions with a malignant transformation rate as high as 60%. ...
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Villous adenomas of the bladder are rare tumors and up to now they have not been seen to undergo malignant transformation. We report a case of villous adenoma of the bladder with areas of adenocarcinoma in a 72-year-old man. We describe all the morphological, histochemical and immunohistochemical features characterizing this tumor. We recommend adequate pathological sampling and a thorough foll...
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Obstructive jaundice can have various causes, and both neoplastic and non-neoplastic lesions have to be considered. In cases of malignant disease, the tumors are usually located in the extrahepatic bile ducts, the pancreatic head, or the ampulla of Vater [1]. In rare cases, the causative lesion originates from the duodenum [2,3]. A 67-year-old man presented with nonspecific right upper quadrant...
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ژورنال
عنوان ژورنال: Gut
سال: 1992
ISSN: 0017-5749
DOI: 10.1136/gut.33.4.567