A CASE OF RECTAL CARCINOMA IN ADENOMA PRODUCING CARBOHYDRATE ANTIGEN 19-9

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  • 血清CA 19-9高値を示した直腸腺腫内癌の1例

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Abstract

Arare case of rectal carcinoma in adenoma producing CA19-9 is reported. A patientwas a 72-year old man admitted to our hospital because of high level of serum CA19-9elevated to 550 U/ml. X-ray and endoscopic examination revealed an elevated lesion in therectum. Well differentiated adenocarcinoma in adenoma was cofir:med histologically, Partial resection of the rectum was performed. Histopathological examination disclosedwell differentiated adenocarcinoma in adenoma involving mucosal layer. CA19-9 wasdemonstrated in the cancer cells with 5AB method. No sign of recurrence was observedfor 12 months after operation.

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