article · Journal of Pediatric Orthopaedics
Chondroblastoma is an uncommon benign bone tumour that typically affects the long bones of young individuals. A long-term retrospective study evaluated 91 patients treated with intralesional curettage who were monitored for at least three years. The cohort had an average age of 16.4 years and comprised mostly males. The most frequent tumour locations were the proximal tibia, distal femur, proximal humerus, and proximal femur. Surgical management involved thorough intralesional curettage, with almost three-quarters of patients undergoing high-speed burring. Resulting voids were filled using autogenous bone graft, bone substitutes, bone cement, or a combination. The procedure demonstrated high efficacy, resulting in complications in 4.4 per cent of cases and a local recurrence rate of 3.3 per cent. Patient age, tumour location, fracture, or prior interventions did not affect recurrence rates. Patients achieved a high average functional score of 28.88 out of 30.
Chondroblastoma predominantly affects adolescents and young adults, making joint preservation and physical mobility essential goals during surgical intervention. Demonstrating that intralesional curettage using high-speed burrs provides low recurrence rates and minimal complications reassures orthopaedic clinicians. This surgical approach preserves natural joint anatomy and enables patients to regain high levels of physical function without requiring more radical or destructive operations.
The abstract does not evaluate a new commercial product, presenting retrospective clinical evidence on established surgical techniques instead. The findings are relevant to orthopaedic surgeons, surgical teams, and manufacturers of bone graft substitutes, bone cements, and high-speed burrs seeking real-world clinical validation for defect-filling materials. This work represents applied clinical practice using existing medical devices and operative protocols rather than an early-stage commercial pipeline.
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BACKGROUND: Chondroblastoma is a rare cartilaginous benign bone tumor that commonly arises in long bones of young people. Surgical management is the primary treatment of choice for chondroblastoma and it entails adequate intralesional curettage alone or in combination with adjuvants. This study was performed to describe the epidemiological characteristics and clinical and radiologic results of intralesional curettage of chondroblastoma. METHODS: This was a retrospective study which included an analysis of 91 patients with chondroblastoma who were treated with intralesional curettage and were followed up between 1994 and 2014 for at least 3 years. Epidemiological data, clinical symptoms, radiologic and histologic investigations, surgery, functional outcomes, complications, and local recurrence rate were analyzed. RESULTS: There were 60 males (65.9%) and 31 females (34.1%) with a mean age of 16.4 years. The most commonly involved bone was the proximal tibia in 24 patients (26.4%), followed by distal femur in 20 patients (22%), proximal humerus in 17 patients (18.7%) and proximal femur in 15 patients (16.6%). All patients underwent intralesional curettage. High-speed burr was used in 66 patients (72.5%). The resultant cavity was filled with autogenous bone graft, bone substitute, bone cement or a combination of bone graft and cement. Four patients (4.4%) had complications. Three patients (3.3%) developed local recurrence. Age, site, history of previous intervention or pathologic fracture had no impact on the rate of recurrence. The mean Musculoskeletal Tumor Society (MSTS) score was 28.88 (range, 24 to 30) points. CONCLUSIONS: Thorough curettage using high-speed burr and bone-grafting or bone cement in the treatment of chondroblastoma has good local control, low recurrence rate and excellent functional long-term outcome. LEVEL OF EVIDENCE: Level IV, retrospective case series.
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DOI: 10.1097/bpo.0000000000001293
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