A rare presentation of pregnancy associated primary angiosarcoma of the breasts.

Primary angiosarcoma of the breast is a rare malignancy that is important for radiologists to recognize in young patients because its imaging appearance may mimic benign lesions resulting in advanced stages of disease and overall decreased patient survival. We present a unique case of a bilateral primary angiosarcoma in a pregnant patient in her twenties. She presented with a self-detected, rapidly enlarging, non-tender right breast mass while in her third trimester.