Gastritis cystica polyposa

Author: Elliot Weisenberg, M.D. (see Authors page)

Revised: 5 December 2016, last major update August 2012

Copyright: (c) 2003-2016,, Inc.

PubMed Search: gastritis cystica polyposa
Cite this page: Gastritis cystica polyposa. website. Accessed March 27th, 2017.
Definition / General
  • Hyperplastic polyp containing foveolar or glandular epithelium in submucosa or muscularis propria
  • Also called polypoid mucosal prolapse
Gross Description
  • Usually on gastric side of gastroenterostomy stomas
  • Large sessile polyp grossly resembling hyperplastic polyp
Micro Description
  • Resembles gastric hyperplastic polyp and reflux gastritis with pit hyperplasia, distortion, dilation
  • May contain submucosal cysts surrounded by disorganized smooth muscle
  • Increased mixed inflammatory cells in lamina propria
Micro Images

Images hosted on other servers:

Elongated, tortuous foveolae and hyperplastic
and cystically dilated underlying pyloric gland

Differential Diagnosis