Male Breast Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A rare malignant tumor of the breast, affecting mostly older men. It accounts for less than 1% of all malignancies in men. The most common histologic type is invasive ductal carcinoma. Most patients are treated with mastectomy.

**Synonyms:** - Carcinoma of Male Breast - Carcinoma of the Male Breast - Male Breast Cancer - Male Breast Cancer - male breast cancer