Stomach

Polyps

Gastritis cystica polyposa



Topic Completed: 1 August 2012

Minor changes: 28 December 2020

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PubMed Search: gastritis cystica polyposa

Elliot Weisenberg, M.D.
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Cite this page: Weisenberg E. Gastritis cystica polyposa. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/stomachgastritiscyst.html. Accessed November 29th, 2021.
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

Image hosted on other server:

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

Differential diagnosis
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Image 01 Image 02