title: Plasmacytoma of the breast.
abstract: Extramedullary plasmacytomas are unusual tumors that generally represent the initial manifestation of systemic multiple myeloma. I studied a plasmacytoma of the breast in a patient who has remained free of symptoms nine years after initial diagnosis.
mesh_terms: D000368:Aged; D001940:Breast / Q000473:pathology; D001943:Breast Neoplasms / Q000175:diagnosis / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007124:Immunoenzyme Techniques; D008408:Mastectomy; D008413:Mastitis / Q000175:diagnosis; D009101:Multiple Myeloma / Q000473:pathology; D010954:Plasmacytoma / Q000175:diagnosis / Q000473:pathology*; D011247:Pregnancy