Ulcerative colitis

Ulcerative colitis is categorized according to location:

  • Proctitis involves only the rectum
  • Proctosigmoiditis affects the rectum and sigmoid colon
  • Left-sided colitis encompasses the entire left side of the large intestine
  • Pancolitis inflames the entire colon
Ulcerative colitis

Revision

Last reviewed 10/8/2012 by George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, and Stephanie Slon.

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