Colon non tumor
Inflammatory bowel disease (IBD)
Diffuse giant inflammatory polyposis

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 21 December 2016, last major update May 2013

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

PubMed Search: diffuse giant inflammatory polyposis
Cite this page: Diffuse giant inflammatory polyposis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/colondiffusegiantinflampolyposis.html. Accessed September 25th, 2017.
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