A Case of Tubulopapillary Adenoma Arising from the Cystic-Dilated Intrahepatic Bile Duct

Yuichiro Kawamura, Hiroshi Takamori, Keiichiro Kanemitsu, Tatsuya Tsuji, Ken-ichi Iyama^* and Takehisa Hiraoka

First Department of Surgery and Department of Surgical Pathology^*, Kumamoto University School of Medicine

A 72-year-old man was found by computed tomogram (CT) to have a cystic liver lesion 3 cm in diameter. Magnetic resonance imaging (MRI) showed a tumor in the cystic liver lesion, not connected with the intrahepatic bile duct. Intraoperative ultrasonography (US) showed a papillary tumor arising from the intrahepatic bile duct wall with topically cystic dilation. We conducted partial hepatectomy. Histological findings showed tubulopapillary adenoma of the topically and cystically dilated liver bile duct. We should consider such disease in diagnosis of the cystic liver disease.

Key words
intrahepatic bile duct adenoma, cystic tumor in the liver

Reprint requests
Yuichiro Kawamura First Department of Surgery, Kumamoto University School of Medicine
1-1-1 Honjo, Kumamoto, 860-0811 JAPAN

Accepted
March 27, 2002

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