The presence and distribution of carcinoembryonic antigen in tumors of human minor salivary glands

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Abstract
Using an immunoperoxidase method we have demonstrated carcinoembryonic antigen (CEA) in more than half of a series of 62 tumors of minor salivary glands. CEA was present in both benign and malignant tumors. Its presence was related mainly to the formation of well differentiated ductal tissue in the neoplasms rather than to the histologic type of tumor. Although of only limited diagnostic value, the histologic presence of CEA in a particular tumor may indicate the possibility of postoperative monitoring of saliva and plasma, particularly where residual tumor, metastases or recurrences arc considered likely.