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We reviewed the files of 203 patients with extremities GCTB treated with curettage as first surgery from 1990 to 2013. Median follow-up was 84.2 months. We evaluated whether the years of practice and training in orthopaedic oncology are associated with local recurrences, function and complications after curettage as first surgery for giant cell tumour of bone (GCTB). Local recurrences were not significantly different between orthopaedic oncology trained and non-trained orthopaedic surgeons and between orthopaedic surgeons with < 10 years and ≥ 10 years of practice. Function was not significantly different between orthopaedic oncology trained and non-trained surgeons and between orthopaedic surgeons with < 10 years and ≥ 10 years of practice. The only important univariate and multivariate predictor for local recurrence was PMMA adjuvant. Complications were not significantly different between orthopaedic oncology trained and non-trained orthopaedic surgeons and between orthopaedic surgeons with < 10 years and ≥ 10 years of practice. Curettage may be effectively performed as first surgery for GCTB by early-career (< 10 years of practice) non-trained orthopaedic oncology orthopaedic surgeons. PMMA adjuvant is recommended after appropriate curettage.

This article reviews recent molecular, biologic, therapeutic, and clinical findings in dedifferentiated chondrosarcoma. Dedifferentiated chondrosarcoma is one of the most malignant primary bone tumors characterized by two distinct histopathologic components: a well-differentiated chondral lesion sharply juxtaposed with a high-grade noncartilaginous component. Wide or radical surgical resection is mandatory. High-dose radiation therapy is confined to inaccessible sites and palliation. Chemotherapy is administered whenever the dedifferentiated component is chemosensitive and the patient is in good general condition. Despite this approach, metastases will result in poor survival of these patients.