title: Metaplastic breast cancer.
abstract: A case of metaplastic breast cancer in a patient with a history of infiltrating ductal carcinoma is presented, including representative mammographic and pathologic findings. The correlation between coarse calcifications on mammography and heterologous osseous elements on histologic review is noted. A brief summary of the typical clinical and pathologic features, as well as clinical studies relating to metaplastic breast cancer, are presented.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001943:Breast Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D018270:Carcinoma, Ductal, Breast / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000556:secondary / Q000601:surgery; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008408:Mastectomy; D011859:Radiography