Carcinoma in situ of the perihilar bile duct diagnosed by peroral cholangioscopy
Related Experiment Video For CA19-9
Updated: Sep 23, 2025
Complete Laparoscopic Radical Resection of Perihilar Cholangiocarcinoma Type IIIb
Published on: January 17, 2025
Kosuke Iwano1, Akira Kurita1,2, Shujiro Yazumi1
1Department of Gastroenterology and Hepatology, Tazuke Kofukai Medical Research Institute, Kitano Hospital, Osaka, Japan.
Abstract:
It is rare for cholangiocarcinoma to be diagnosed as carcinoma in situ. Iwano and colleagues present a case in which stone formation in the hilar region contributed to the diagnosis. In such case, it is important to note minor changes on cholangiography and consider a detailed examination such as peroral cholangioscopy.
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