Breast conserving surgery for male noninvasive intracystic papillary carcinoma: a case report.

We report an exceedingly rare case of male breast cancer on two brothers. The patient has family history that his younger brother had breast cancer 5 years ago. The patient was 70-years old man who presented with chief complaint of an indolent tumor mass of the left breast. Mammography demonstrated a well defined mass with microcalcifications. Noninvasive intracystic papillary carcinoma was diagnosed by excisional biopsy. We performed breast conserving surgery (BCS) with sentinel lymph node biopsy for this patient. The histological diagnosis was same as above, with no metastasis of sentinel lymph node. Immunohistochemical study showed estrogen receptor (ER) and progesterone receptor (PgR) were positive respectively, and human epidermal growth factor receptor type 2 (HER2/c-erbB-2) was negative. After surgery, he underwent radiation therapy of 60 Gy for left chest wall include nipple and areolar area. We report the case of BCS for male breast cancer. The preservation of the nipple areolar complex in male patients may also have a positive psychological impact as is the case in women treated for breast cancer. Our patients report an outstanding cosmetic result. As for the man, breast conserving therapy should be enforced without overt nipple and areolar involvement like a woman.