Colon nontumor
Nonneoplastic, non-congenital lesions
Vasculitis




Topic Completed: 1 November 2013

Revised: 9 January 2019, last major update November 2013

Copyright: (c) 2003-2018, PathologyOutlines.com, Inc.

PubMed Search: vasculitis colon

Related Topic: Intramural phlebitis (enterocolic lymphocytic phlebitis)


Raul S. Gonzalez, M.D.
Page views in 2018: 1,570
Page views in 2019 to date: 972
Cite this page: Gonzalez R. Vasculitis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/colonvasculitis.html. Accessed June 18th, 2019.
Definition / general
Epidemiology
  • Depends on particular vasculitis
Sites
  • Colon can be affected as well as remainder of gastrointestinal tract
Clinical features
  • Colonic manifestations may range from clinically silent to causing intestinal ischemia
Diagnosis
  • Small vessel vasculitis may be observed on biopsy, medium vessel vasculitis on resection
Clinical images

Images hosted on other servers:

Marked narrowing of sigmoid colon

Circumferential sigmoidal ulceration

Inflammation, submucosal hemorrhage, and small ulceration

Hyperemic, edematous colonic mucosa

Radiology images

Images hosted on other servers:

Occlusion of inferior mesenteric artery

Small intestinal edema

Microscopic (histologic) images

Images hosted on other servers:

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
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