Carcinoma of the colon in ulcerative colitis

Abstract

A the occurrence of carcinoma of the colon in ulcerative colitis indicated varied frequencies, ranging from 0.6 to 14% (Table The trend in recent years has remained variable, with a range from 2.6 to 17% (Table 2),2l though the hazard of neoplasia has become increasingly recognized. The reported clinical frequency of carcinoma of the colon among patients with ulcerative colitis is lowest in surveys of medically managed patients, approximately 2%; intermediate among patients treated surgically, approximately 8%; and highest among patients with ulcerative colitis for 10 years or longer or in children with ulcerative colitis.