[Local complications of the intestinal tract in patients with ulcerative colitis]

Various types of local complication of the intestinal tract are recognized in patients with ulcerative colitis. Among those local complications, massive bleeding, perforation and toxic megacolon require emergent operation in order to avoid fetal condition. Stricture of the colon, fustura formation and intra-abdominal abscess are rare complication in patients with ulcerative colitis, but sometimes require surgical treatment. Colitic cancer is another serious complication which develops highly advanced stage. Surveillance of the colon by endoscopy is necessary to obtain early diagnosis of the colitic cancer.