Gallbladder & extrahepatic bile ducts

Gallbladder nonneoplastic

Hydrops / mucocele

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

Copyright: 2003-2022,, Inc.

PubMed Search: Hydrops mucocele

Hanni Gulwani, M.B.B.S.
Page views in 2021: 3,632
Page views in 2022 to date: 1,972
Cite this page: Gulwani H. Hydrops / mucocele. website. Accessed July 5th, 2022.
Definition / general
  • Distended gallbladder containing clear and watery (hydrops) or mucoid secretions (mucocele), instead of bile
  • Adult cases almost always due to impacted stones in ampulla or cystic duct
  • Rarely due to regional tumors causing compression
  • Pediatric cases associated with Kawasaki syndrome or other inflammatory narrowing of cystic duct
  • Mucoceles that perforate may cause pseudomyxoma peritonei
Case reports
Gross description
  • Thickened gallbladder wall
Microscopic (histologic) description
  • Fibrous replacement of muscular wall
  • Rarely muciphages simulating signet ring cell adenocarcinoma

  • Thin wall with flattened epithelium and sparse inflammation
Back to top
Image 01 Image 02