title: Colonoscopy in ulcerative colitis.
mesh_terms: D000328:Adult; D001706:Biopsy; D002648:Child; D002908:Chronic Disease; D003093:Colitis, Ulcerative / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D003106:Colon; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging; D004724:Endoscopy; D006801:Humans; D011230:Precancerous Conditions / Q000175:diagnosis; D011379:Prognosis; D011859:Radiography; D013997:Time Factors