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Ulcerative Colitis |
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A colonoscopy (examination of the large intestine using a flexible viewing tube) shows abnormal inflammation of the intestinal lining and superficial erosions, causing a grainy appearance. These findings are typical of ulcerative colitis.
From HM Spiro, Clinical Gastroenterology, 4 ed, 1993, McGraw-Hill, Pl. 65; with permission of the author.