Plasmacytoma of the Bilateral Breasts: A Case Report

Extramedullary plasma cell tumors in the breast are extremely rare neoplasms which may often be misdiagnosed as primary breast carcinoma.In this case, we discuss a 76-year-old woman who was initially diagnosed with solitary extramedullary plasmacytoma of the retroperitoneum and was subsequently found to have recurrent plasmacytomas of the bilateral breasts.This report describes characteristics of plasmacytomas of breast and the characteristics on imaging.