Ectopic hepatocellular carcinoma arising in the bile duct |
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Authors: | Tsushimi Takaaki Enoki Tadahiko Harada Eijirou Orita Masahiko Noshima Shinji Masuda Michiyoshi Hamano Kimikazu |
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Institution: | (1) First Department of Surgery, Yamaguchi University School of Medicine, 1-1-1 Minami Kogushi, Ube, Yamaguchi 755-8505, Japan;(2) Second Department of Pathology, Yamaguchi University School of Medicine, Yamaguchi, Japan |
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Abstract: | We report a case of ectopic hepatocellular carcinoma arising in the bile duct. A 72-year-old woman was transferred to our hospital with fever, abdominal pain, and jaundice. Contrast-enhanced computed tomography revealed a round mass, measuring 25 mm in diameter, in the bile duct. The mass was causing obstructive jaundice. Endoscopic retrograde cholangiography showed a 27 mm × 21-mm round defect in the superior bile duct. These findings led to a diagnosis of bile duct tumor, and the patient underwent extrahepatic bile duct resection and biliary reconstruction. Gross examination of the tumor showed a fibrous capsule and a stalk arising from the bile duct mucosa. The tumor was diagnosed histopathologically as well-differentiated hepatocellular carcinoma arising in the bile duct. |
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Keywords: | Ectopic hepatocellular carcinoma Ectopic liver Bile duct |
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