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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

Reviewed last on: 5/27/2008
Christian Stone, MD, Division of Gastroenterology, Washington University in St. Louis School of Medicine, St. Louis, MO. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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