title: Benign mixed tumor (pleomorphic adenoma) of the breast: ultrastructural study and review of the literature.
abstract: A patient is presented with a benign mixed tumor (pleomorphic adenoma) of the breast. There are 11 well-documented cases of this rare breast neoplasm. It is histologically and ultrastructurally identical to that seen in the salivary gland and follows a similar benign course. A central role of the ductal myoepithelial cell is proposed for the histogenesis of this tumor.
mesh_terms: D000368:Aged; D001943:Breast Neoplasms / Q000473:pathology / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D009373:Neoplasms, Germ Cell and Embryonal / Q000473:pathology / Q000648:ultrastructure*