Colon non tumor
Non-neoplastic, non-congenital lesions

Author: Raul S. Gonzalez, M.D. (see Authors page)

Revised: 5 January 2017, last major update November 2013

Copyright: (c) 2003-2017,, Inc.

PubMed Search: vasculitis colon

Related Topic: Intramural phlebitis (enterocolic lymphocytic phlebitis)
Cite this page: Vasculitis. website. Accessed March 29th, 2017.
Definition / General
  • Depends on particular vasculitis
  • Colon can be affected as well as remainder of gastrointestinal tract
Clinical Features
  • Colonic manifestations may range from clinically silent to causing intestinal ischemia
  • Small vessel vasculitis may be observed on biopsy, medium vessel vasculitis on resection
Clinical Images

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Marked narrowing of sigmoid colon

Circumferential sigmoidal ulceration

Inflammation, submucosal hemorrhage, and small ulceration

Hyperemic, edematous colonic mucosa

Radiology Images

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Occlusion of inferior mesenteric artery

Small intestinal edema

Micro Images

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Buerger's disease causing vasculitis with a recanalized thrombus

Henoch-Schönlein purpura with preserved villous architecture

Henoch-Schönlein purpura
causing acute small intestinal
inflammation with karyorrhectic debris

Additional References