Journal of The Showa Medical Association
Online ISSN : 2185-0976
Print ISSN : 0037-4342
ISSN-L : 0037-4342
A CASE OF ADENOCARCINOMA IN ADENOMA OF THE COMMON BILE DUCT ACCOMPANIED BY CHOLEDOCHOLITHIASIS AND CHOLEDOCHO DUODENAL FISTULA
Toshiya CHIBAOsamu SYOUKEIMasaaki MATSUKAWAMinoru KURIHARAKazuhide KUMAGAIKouji SHIMIZUHiroaki KAWAIToshio MOROHOSHI
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1996 Volume 56 Issue 2 Pages 229-233

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Abstract
A 56 year old man was admitted to our hospital with complaints of jaundice and fever. Abdominal ultrasonography revealed slight dilatation of the common bile duct (CBD) . A stone in the CBD, a tumor in the distal CBD, and a choledocho duodenal fistula were revealed by choledochocystography. Examination of an endoscopic biopsy specimen revealed a papillary adenoma. A specimen obtained at pancreatoduodenectomy contained a papillary tumor of the lower CBD and a choledocho duodenal fistula. Histologic examination revealed adenocarcinoma in adenoma. This case illustrates the malignant potential of adenoma in the biliary tract.
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