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KMID : 0359019940140040476
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Korean Journal of Gastrointestinal Endoscopy
1994 Volume.14 No. 4 p.476 ~ p.481
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A Case of Villous Adenoma of the Ampulla of Vater with Malignant Change
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정문기
조상경/박상훈/김재선/박영태/김진호/김종극/이창홍/최상용
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Abstract
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Ampullary adenoma is a benign neoplasm with malignant potential that arises from the glandular epithelium of the ampulla of Vater. When the tumor is confined to the ampulla, abdominal sonogram and CT scan can show dilatation of the common bile
duct
or
pancreatic duct, but the mass itself may not be seen. And even biopsies are done, the confirmation of malignant change is frequently missed, and it may be impossible to assess the presence of carcinoma in situ or invasive carcinoma without
complete
exicision of the lesion. So complete surgical resection is recommended because of extensive growth of the ampullary adenoma and its malignant potential. Recently, we experienced a case of about 0.8×1.0cm sized tumor of the ampulla of Vater that
was
diagnosed as villous adenoma on endoscopic biopsy, and malignant change was found on resected surgical specimen.
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KEYWORD
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