Miscellaneous nontumor
Papillary hyperplasia

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 5 February 2018, last major update September 2012

Copyright: (c) 2003-2018,, Inc.

PubMed Search: Papillary hyperplasia gallbladder

Cite this page: Gulwani, H. Papillary hyperplasia. website. Accessed April 21st, 2018.
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