New salvage procedure for the management of malignant bone tumors: preliminary report on 3 cases

ABSTRACT

Two cases of osteosarcoma and another of malignant fibrous histiocytoma of the lower end of the femur proved by biopsy were treated by wide resection of the tumor and knee joint. The resulting gap was closed primary bringing the end of the remaining femur and tibia into contact application of external fixator frame and compressing the bones together. In one of the osteosarcoma cases the bones were allowed to unite, followed by cortectomy and gradual lengthening. Chemotherapy was given to the osteosarcoma cases in courses starting preoperatively. In the malignant fibrous histiocytoma cases and in the other case of osteosarcoma distraction osteogenesis was started 3 weeks following resection. Adjuvant chemotherapy was also started at the same time in the malignant fibrous histiocytoma case