Ulcerative Colitis

An abnormal endoscopic view of the large intestine (ie, colonoscopy) shows inflammation of the intestinal lining and superficial erosions creating a cobblestoned appearance. These findings are typical of ulcerative colitis.

(From MH Spiro, Clinical Gastroenterology, 4 ed, 1993, McGraw-Hill, Pl. 65; with permission of the author.)