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Articles

Carcinoembryonic Antigen in Hereditary Adenomatosis of the Colon and Rectum

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Pages 875-879 | Received 23 Apr 1975, Accepted 20 Jun 1975, Published online: 16 Oct 2020
 

Abstract

Alm, T. & Wahren, B. Carcinoembryonic antigen in hereditary adenomatosis of the colon and rectum. Scand. J. Gastroent. 1975, 10, 875-879.

Hereditary adenomatosis of the colon and rectum (ACR) invariably leads to malignant transformation unless the patients undergo prophylactic operations. The serum level of carcinoembryonic antigen (CEA) was determined in 130 individuals belonging to different ACR-families. Fifty-six of them were operated upon with colectomy, 27 affected individuals were still not operated on, and 47 were unaffected first degree relatives. Around 20 per cent of the patients in each of these groups had moderately raised CEA serum levels compared to unrelated healthy subjects. Since the serum values were low or only moderately raised and occurred in all groups, the determination of serum levels cannot be generally used to indicate malignant transformation of adenomas. However, assays of the tissue CEA content in six histologically verified adenomas showed values similar to those of overt colonic carcinomas. This opens up stimulating possibilities of investigating the CEA activity in serum and tissues of chosen individuals with ACR.

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