Secretory carcinoma of the breast in a Japanese woman.

We report a case of secretory carcinoma of the breast in a 33 year old woman. Secretory carcinoma is a rare tumor and has distinctive pathological characteristics. This tumor usually occurs in children or adolescents. Modified radical mastectomy was carried out and the patient is doing well with no evidence of recurrence at 25 months later. Negative findings were obtained in the assay of estrogen and progesterone receptor.