title: Malignant bone tumors: spindle-cell sarcomas.
mesh_terms: D000293:Adolescent; D000671:Amputation, Surgical; D001761:Bleomycin / Q000627:therapeutic use; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000601:surgery*; D002648:Child; D003520:Cyclophosphamide / Q000627:therapeutic use; D003609:Dactinomycin / Q000627:therapeutic use; D004305:Dose-Response Relationship, Drug; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use; D008727:Methotrexate / Q000627:therapeutic use; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000601:surgery*; D011300:Preoperative Care; D019736:Prostheses and Implants; D011859:Radiography; D014750:Vincristine / Q000627:therapeutic use
chemical_list: D001761:Bleomycin; D003609:Dactinomycin; D014750:Vincristine; D003520:Cyclophosphamide; D002955:Leucovorin; D008727:Methotrexate