PT - JOURNAL ARTICLE AU - P Isaacson TI - Tissue demonstration of carcinoembryonic antigen (CEA) in ulcerative colitis. AID - 10.1136/gut.17.7.561 DP - 1976 Jul 01 TA - Gut PG - 561--567 VI - 17 IP - 7 4099 - http://gut.bmj.com/content/17/7/561.short 4100 - http://gut.bmj.com/content/17/7/561.full SO - Gut1976 Jul 01; 17 AB - An immunoperoxidase technique was used to demonstrate carcinoembryonic antigen (CEA) in sections of proctocolectomy specimens from nine cases of ulcerative colitis in some of which carcinoma and premalignant change had developed. Carcinoma and premalignant change stained positively for CEA in contrast with benign mucosa, whether or not inflammatory dysplasia was present.