title: Malignant oncocytoma of the breast.
abstract: The histopathological pattern of a malignant oncocytoma of the breast in a 46 year-old woman is described. The electron microscopy of paraffin-embedded tissue revealed an abundance of swollen, vesicular mitochondria and loosely arranged intracytoplasmic microfilaments.
mesh_terms: D000236:Adenoma / Q000473:pathology* / Q000628:therapy / Q000648:ultrastructure; D001943:Breast Neoplasms / Q000473:pathology* / Q000628:therapy / Q000648:ultrastructure; D003131:Combined Modality Therapy; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008854:Microscopy, Electron; D008875:Middle Aged