Gastritis cystica polyposa
Reviewers: Elliot Weisenberg, M.D. (see Reviewers page)
Revised: 8 August 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.
● Hyperplastic polyp containing foveolar or glandular epithelium in submucosa or muscularis propria
● Also called polypoid mucosal prolapse
● Usually on gastric side of gastroenterostomy stomas
● Large sessile polyp grossly resembling hyperplastic polyp
● 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
Elongated, tortuous foveolae and hyperplastic and cystically dilated underlying pyloric gland
Gastritis cystica profunda with deep misplaced glands
● Well differentiated adenocarcinoma: desmoplasia, atypical mitoses; absence of lamina propria surrounding glands points to malignancy
End of Stomach > Polyps > Gastritis cystica polyposa
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