Male breast cancer: a clinicopathologic study of 42 patients in eastern India.

Retrospective review of presentation, treatment and outcome of male breast cancer in a tertiary cancer centre in eastern India. Data of 42 male breast cancer (MBC) patients, who presented between April, 2001 and March, 2008 were collected from institute records with respect to epidemiological characteristics, clinical and pathological parameters, treatment pattern and outcome. This series includes 42 patients with mean age of 56 years (range 31-78 years). MBC represented 1.1 % of all breast cancer. History of lump in the breast with duration ranging from 1 month to 4 years was the most common clinical presentation (80.95 %). Histopathology found infiltrating ductal carcinoma in 35 (83.33 %), followed by papillary carcinoma in 3 (7.14 %), undifferentiated carcinoma in 2 (4.76 %), mucinous carcinoma in 1 (2.38 %) and myxofibrosarcoma in 1 (2.38 %) patient. Hormone receptor (HR) study was performed on 29 patients. Twenty six (89.7 %) patients were hormone receptor positive in that 8 (27.6 %) were ER positive and 18 (62.1 %) were ER and PR positive. 3 (10.3 %) were hormone receptor negative.Axillary lymph node dissection was performed on 30 patients. Of those, 60 % were found to be positive (pN+) and 40 % were negative (pN-). Of the patients with invasive carcinoma 2.86 % were pathologic stage I, 37.14 % stage II, 42.86 % stage III and 17.14 % stage IV. Of the 35 treated patients, total 30 (85.71 %) patients underwent surgery. The surgery consisted of a modified radical mastectomy (MRM) 24 (80 %), radical mastectomy according to Halsted (RM) 6 (20 %). Adjuvant therapy i.e. Chemotherapy and Radiotherapy was administered to the patient based upon their stage. The standard treatment for all HR positive patients was administration of tamoxifen. Based upon the follow-up information (ranging from 17 month to 136 months), 4 (14.28 %) patients developed local recurrence over 4 to 26 months (mean17.5 months) and 5 patients developed distant metastasis over 24 to132 months (mean 78 months). Disease specific survival varied from 4 months to 132 months, with a mean of 56.75 months. Thirteen out of 28 evaluable patients (46.43 %) were disease free at 5 years. Male Breast cancer is a rare disease often ignored in the community, because of which it is seeks medical attention at advanced stage. Majority of MBC are found to be HR positive, hence hormonal therapy should to be strongly considered and multicentric prospective studies are needed to improve outcome.