Colon nontumor
Inflammatory bowel disease (IBD)
Diffuse giant inflammatory polyposis

Topic Completed: 1 May 2013

Revised: 8 January 2019, last major update May 2013

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

PubMed Search: diffuse giant inflammatory polyposis

Hanni Gulwani, M.B.B.S.
Page views in 2019: 374
Page views in 2020 to date: 129
Cite this page: Gulwani H. Diffuse giant inflammatory polyposis. website. Accessed May 28th, 2020.
Definition / general
  • Associated with inflammatory bowel disease, but rare
  • Benign; may be due to exuberant postinflammatory regeneration
Clinical features
  • Clinically resembles malignancy
Case reports
Clinical images

Images hosted on other servers:

Worm-like polyps

Gross images

Images hosted on other servers:

Giant inflammatory polyposis

Worm-like giant polyps

Microscopic (histologic) description
  • Villous-like polyps with irregular projections lined by hyperplastic mucosa containing numerous giant cells; marked acute inflammation; also cystically dilated glands, mucosal erosion, smooth muscle thickening; smaller polyps contain mucosa only
Microscopic (histologic) images

Images hosted on other servers:

Giant polyps

Differential diagnosis
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