Colon non tumor
Colitis (non-infectious)
Hemorrhagic colitis

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

Revised: 27 December 2016, last major update May 2013

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

PubMed Search: hemorrhagic colitis[title]
Cite this page: Hemorrhagic colitis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/colonhemorrhagic.html. Accessed March 27th, 2017.
Definition / General
  • Abdominal cramping, bloody diarrhea, low grade or no fever
  • Usually resolves spontaneously, but may be complicated by hemolytic uremic syndrome or thrombotic thrombocytopenic purpura
Etiology
Clinical Features
  • Endoscopy: right sided colonic edema, erosions, hemorrhage
Micro Description
  • Hemorrhage and edema in lamina propria; focal superficial mucosal necrosis with preservation of deeper portion of crypts; acute inflammation; may have inflammatory pseudomembranes