高齢者の乳腺分泌癌の一例

A 67-year-old woman was seen at the hospital because of a tumor in the area of the right breast. On physical examination, the tumor was elastic hard and movable. A core needlebiopsy revealed malignant findings' invasive ductal carcinoma. Mastectomy for right breast was performed. Pathological diagnosis was secretory carcinoma. The immunoprofile data were negative for ER, PR, and HER2, and were positive for the S-100, EMA, Adipophilin.
She has been free from recurrence and metastasis so far.
Secretory breast carcinomas are rare tumors, low-grade triple-negative carcinomas. Distant metastases from secretory breast carcinomas and local recurrence are extremely rare. Standard treatment has not been deciderd yet.
We report a case of secretory carcinoma of the breast together with some bibliographical comments.