Journal of Clinical Endocrinology & Metabolism Vol. 28, No. 6 897-902 doi:10.1210/jcem-28-6-897 Copyright © 1968 by the Endocrine Society. Bilateral Carcinoma of the Breast in a Patient with Klinefelter's SyndromeMARTIN C. ROBSON1, QUIRICO SANTIAGO2 and THOMAS W. HUANGDepartments of Surgery and Pathology, Baltimore City Hospitals Baltimore, Maryland A case of a 69-yr-old Negro male displaying bilateral carcinoma of the breast and Klinefelter's syndrome (XXY configuration) is presented. The patient had normal urinary estrogen excretion, decreased 17-ketosteroid excretion, normal 17-hydroxycorticosteroid excretion, and increased gonadotropin excretion. Chromosomal studies and autopsy findings are included in the report.
1 Reprint requests to Martin C. Robson, CPT, MC, General Surgery Service, Brooke General Hospital, Brooke Army Medical Center, Fort Sam Houston, Texas 78234. 2 Present address: Dept of Thoracic Surgery, Louis University School of Medicine, St. Louis, Mo. Received November 9, 1967. Accepted February 21, 1968.
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