Liver & intrahepatic bile ducts

Benign / nonneoplastic

Biliary cyst

Topic Completed: 1 February 2012

Minor changes: 22 September 2020

Copyright: 2002-2021,, Inc.

PubMed Search: Biliary cyst[TI]

Deepali Jain, M.D.
Page views in 2020: 3,652
Page views in 2021 to date: 4,397
Cite this page: Jain D. Biliary cyst. website. Accessed December 3rd, 2021.
Definition / general
  • Unilocular; single or multiple; when multiple usually a component of adult polycystic kidney disease
  • Usually age 40+ years; prevalence increases with age
  • No malignant potential
  • Subcapsular, not connected to biliary tree
Microscopic (histologic) description
  • Lined by cuboidal or biliary type epithelium; rarely squamous lined
  • Thin fibrous wall with pigment laden macrophages; adjacent von Meyenberg complexes are present
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