Gallbladder
Miscellaneous nontumor
Hydrops / mucocele

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

Revised: 10 August 2018, last major update September 2012

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

PubMed Search: Hydrops mucocele

Cite this page: Gulwani, H. Hydrops / mucocele. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/gallbladderhydrops.html. Accessed October 16th, 2018.
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
Adults:
  • Fibrous replacement of muscular wall
  • Rarely muciphages simulating signet ring cell adenocarcinoma

Children:
  • Thin wall with flattened epithelium and sparse inflammation