Small intestine & ampulla
Benign tumors / tumor-like conditions
Inflammatory polyp
Author: Hanni Gulwani, M.B.B.S.
Last author update: 1 August 2012
Last staff update: 19 November 2020
Copyright: 2003-2025, PathologyOutlines.com, Inc.
PubMed Search: Inflammatory polyp small bowel[TIAB]
Cite this page: Gulwani H. Inflammatory polyp. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/smallbowelinflammatorypolyp.html. Accessed March 31st, 2025.
Definition / general
- Polypoid inflammatory mucosa associated with Crohn's disease or ulcerative colitis
- Also amebiasis, schistosomiasis, ulcers, anastomotic sites
Microscopic (histologic) description
- Solitary small polyps of inflamed regenerating mucosa in a fibroblastic or granulation tissue stroma
- No / few mitotic figures, no atypical mitotic figures, often zonation
- May have bizarre stromal changes resembling sarcoma
