title: [Malignant degeneration of an osteoblastoma--as well as a contribution of double-tumors of the bone].
mesh_terms: D000328:Adult; D001845:Bone Cysts / Q000175:diagnosis / Q000601:surgery; D001859:Bone Neoplasms / Q000175:diagnosis / Q000473:pathology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007512:Ischium / Q000601:surgery; D009378:Neoplasms, Multiple Primary; D010017:Osteoma, Osteoid / Q000175:diagnosis / Q000473:pathology*; D012516:Osteosarcoma / Q000175:diagnosis / Q000473:pathology*
vernacular_title: Maligne Entartung eines Osteoblastoms--gleichzeitig ein Beitraq zu Doppeltumoren des Knochens.