Limb salvage compared with amputation for osteosarcoma of the distal end of the femur. A long-term oncological, functional, and quality-of-life study.

Abstract
The outcome of treatment of non-metastatic high-grade osteosarcoma in the distal part of the femur was studied in 227 patients from twenty-six institutions. Eight of the seventy-three patients who had had a limb-salvage procedure and nine of the 115 patients who had had an above-the-knee amp