title: [Ultrastructure of a granular-cell breast tumor].
abstract: Electron microscopic examination of a rare granular cell tumour of the mammary gland that provoked difficulties in the diagnosis was performed. Ultrastructural organization of the tumour allowed one to establish a proper diagnosis and to confirm the hypothesis on the origin of this tumour from Schwann's cells.
mesh_terms: D001940:Breast / Q000648:ultrastructure; D001943:Breast Neoplasms / Q000648:ultrastructure*; D002467:Cell Nucleus / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D005260:Female; D006801:Humans; D008875:Middle Aged; D009379:Neoplasms, Muscle Tissue / Q000648:ultrastructure*
vernacular_title: Ul'trastruktura zernistokletochnoĭ opukholi molochnoĭ zhelezy.