[Cancer of the breast in the male. Presentation of 2 cases]. / Cáncer de glándula mamaria masculina. Presentación de dos observaciones.

We present two cases of adenocarcinome of the male mammary gland, without past history of gynecomastia, cirrhosis, malnutrition, hyperoestrogenism, estron therapy for prostatic cancer, testicular tumor, Klinefelter Syndrome, parasitosis, trauma or irradiation. Male mammary adenocarcinoma is rare in all hospital. In our center we found two cases among 204 female mammary adenocarcinomas, that is one porcent, in a revisión between 1971 and 1980. Most male mammary adenocarcinomas are of the ductal/infiltrative type, early metastasis to regional ganglia or by continuity to adjacent skin.