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 October 18th, 2018.
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
Microscopic (histologic) 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
Microscopic (histologic) images

Images hosted on other servers:

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

Differential diagnosis