Primary Epithelioid Angiosarcoma of the Male Breast: Report of a Case

We report a case of primary epithelioid angiosarcoma of the male breast. The patient was a 20-year-old Chinese man who presented with a huge tumor just below the left nipple. Histopathological examination and immunohistochemical analysis confirmed a diagnosis of primary epithelioid angiosarcoma of the male breast, without axillary lymph node metastasis. We review the relevant literature on this rare malignant tumor.