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Axillary lymphooscintigraphy by radioimmunodetection of carcinoembryonic antigen in breast cancer

Journal Article · · J. Nucl. Med.; (United States)
OSTI ID:5452336
In seven women with carcinoma of the breast I-131-labeled antibodies to carcinoembryonic antigen (CEA) were administered subcutaneously in the finger webs. Subsequent scintigraphic images demonstrated localization of radioactivity in the ipsilateral axillary metastases of all patients and in the contralateral axillae of three. Fifteen patients with either gastrointestinal or genitourinary cancers were studied as controls; in 12 both the hands and feet were injected with antibodies to CEA and in the other three either the hands or feet. Radioactivity was observed in the inquinal nodes of four control patients with tumors below the diaphragm and in the axillary nodes of one patient with a tumor above the diaphragm. The concentration of antibody in lymph node metastases from breast carcinoma was 100% specific. In those lymph nodes that presumably contained no metastatic tumor but demonstrated localization of labeled antibody, retention of CEA in the nodes from tumor drainage is postulated as the receptor site for the antibody.
Research Organization:
Univ. of Kentucky College of Medicine, Lexington
OSTI ID:
5452336
Journal Information:
J. Nucl. Med.; (United States), Journal Name: J. Nucl. Med.; (United States) Vol. 20:12; ISSN JNMEA
Country of Publication:
United States
Language:
English