Colon non tumor
Non-neoplastic, non-congenital lesions
Reactive angioendotheliomatosis

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

Revised: 9 January 2017, last major update October 2013

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

PubMed search: reactive angioendotheliomatosis

Cite this page: Reactive angioendotheliomatosis. website. Accessed March 29th, 2017.
Definition / General
  • Intravascular proliferation of endothelial cells
  • Typically seen in skin; extremely rare in colon, with only one case reported
Clinical Features
  • Only reported patient experienced massive gastrointestinal bleeding
Case Reports
Gross Description
  • Numerous shallow colonic ulcers
Micro Description
  • Intravascular proliferation of endothelial cells resembling glomeruloid hemangioma
Positive Stains
Differential Diagnosis
Additional References