title: Hemangiopericytoma of the uterus: an ultrastructural study.
mesh_terms: D000328:Adult; D004715:Endometriosis / Q000473:pathology; D004717:Endometrium / Q000473:pathology; D005260:Female; D006393:Hemangiopericytoma / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007889:Leiomyoma / Q000473:pathology; D008854:Microscopy, Electron; D009130:Muscle, Smooth / Q000473:pathology; D014594:Uterine Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery