Colonoscopy. Inefficacy for early carcinoma detection in patients with ulcerative colitis.
D000230:Adenocarcinoma / Q000150:complications / Q000175:diagnosis*; D000328:Adult; D002908:Chronic Disease; D003093:Colitis, Ulcerative / Q000150:complications*; D003106:Colon; D003110:Colonic Neoplasms / Q000150:complications / Q000175:diagnosis*; D003951:Diagnostic Errors; D004724:Endoscopy; D006801:Humans; D008297:Male; D012812:Sigmoidoscopy; D013997:Time Factors