Korean J Gastrointest Endosc.  2005 Sep;31(3):193-197.

Tubular Adenoma of the Common Bile Duct: Endoscopic Diagnosis and Treatment

  • 1Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea. dklee@yumc.yonsei.ac.kr
  • 2Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.


Biliary adenoma of the common bile duct is a rare disease found in biliary tract encounterd in biliary mass lesion, and it is difficult to differentiate from their malignant counterparts. Symptoms and signs of these tumors can mimic choleliathiasis and malignant tumors. Therefore, this tumor is rarely diagnosed preoperatively. In addition, there has been no reported case of a tubular adenoma of the common bile duct in Korea, until recently. We experienced a case of tubular adenoma of the common bile duct, which was diagnosed and partially resected by percutaneous transhepatic cholangioscopy. The patient was a 84-year-old male who showed abnormal liver function test. Abdominal ultrasonography showed a dilated common bile duct, and a soft tissue was observed on endoscopic retrograde cholangiography. This was initially thought as a stone, but it became partially detachable from the common bile duct during an endoscopic retrograde cholangioscopic basket removal. The mass lesion was partially resected by a percutaneous transhepatic cholangioscopic snare. This resected tissue was confirmed as a tubular adenoma.


Common bile duct; Tubular adenoma; Percutaneous transhepatic cholangioscopic polypectomy
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