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World J Clin Oncol. 2012 Apr 10;3(4):63-6. doi: 10.5306/wjco.v3.i4.63. Epub 2012 Apr 12.

A case of very large intrahepatic bile duct adenoma followed for 7 years.

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1
Futa Koga, Hiroto Tanaka, Seigo Takamatsu, Shinnichi Baba, Hiroshi Takihara, Akioko Hasegawa, Eri Yanagihara, Taro Inoue, Toshihiro Nakano, Chie Ueda, Wataru Ono, The Department of Gastroenterology, Kishiwada Tokushukai Hospital, Kishiwada City 596-8522, Japan.

Abstract

A 70-year-old man was referred to our hospital due to abnormal liver function. A tumor of 92 mm × 61 mm was detected on ultrasound screening of the left liver lobe. Although the tumor was suspected to be intrahepatic bile duct carcinoma, he had chronic heart disease and was unable to undergo surgery. Therefore, he was followed without further testing. No increase in tumor serum markers or tumor size was observed for the subsequent 7 years. We continued to suspect intrahepatic bile duct carcinoma, and we decided to perform a tumor biopsy. Tumor biopsy findings indicated intrahepatic bile duct adenoma (BDA), which is a rare benign epithelial liver tumor typically ranging from 1 mm to 20 mm. We herein report a case of very large BDA followed for 7 years.

KEYWORDS:

Benign liver tumor; Differential diagnosis; Intrahepatic bile duct adenoma; Large tumor

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