Gallbladder & extrahepatic bile ducts

Gallbladder nonneoplastic

Papillary hyperplasia

Last author update: 1 September 2012
Last staff update: 30 December 2020

Copyright: 2003-2024,, Inc.

PubMed Search: Papillary hyperplasia gallbladder

Hanni Gulwani, M.B.B.S.
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Cite this page: Gulwani H. Papillary hyperplasia. website. Accessed February 22nd, 2024.
Definition / general
  • Usually secondary to inflammatory disorders (chronic cholecystitis [5 - 20%] or cholelithiasis, adenomyomatous hyperplasia, primary sclerosing cholangitis, ulcerative colitis), cholesterolosis (up to 100%) or anomalous arrangement of pancreaticobiliary duct (40 - 90%)
  • Diffuse or focal
Case reports
Microscopic (histologic) description
  • Single layer of columnar epithelium in papillary mucosal folds, may be villiform
  • Basal nuclei, no atypia
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