Cholangiographic appearance of bile-duct cysts
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Updated: Sep 19, 2026

Generation and Quantitative Characterization of Functional and Polarized Biliary Epithelial Cysts
Published on: May 16, 2020
C G Lindberg1, L E Hammarström, T Holmin
1Department of Radiology, University Hospital, Lund, Sweden.
Abstract:
Bile-duct cysts or congenital bile-duct dilatation are rare but important abnormalities often mimicking calculous biliary tract disease. Bile-duct cysts are most often classified according to Todani. In a retrospective study of percutaneous, peroperative or endoscopic cholangiograms from 25 patients, diagnosed and treated during a 20-year period, images of different types of bile-duct cysts are presented and classified. The disease usually presents with vague symptoms and has a female preponderance. Current opinion on aetiology and complications is discussed. Cholangiography is a necessary prerequisite to surgical therapy.
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