Consolidation of massive bone allografts in limb-preserving operations for bone tumours
San Julián Aranguren M., Leyes M., Mora G., Cañadell J.
Departamento Cirugía Ortopédica y Traumatología, Universidad de Navarra, Pamplona, Spain.
Magazine: International Orthopaedics
Date: Jan 1, 1995Orthopedic Surgery and Traumatology [SP]
This study analysed the influence of several factors affecting the consolidation time of 83 massive bone allografts in 79 patients with malignant bone tumours: osteosarcoma 57; Ewing's sarcoma 8; malignant fibrous histiocytoma 3; chondrosarcoma 4; fibrosarcoma 5; and giant cell tumours 2.
The mean age of the patients was 19 years and the mean length of the allografts was 18 cm. The minimum follow up was for 12 months. The mean consolidation time for metaphyseal and diaphyseal osteotomies was 6.5 and 16 months respectively. Fifteen diaphyseal osteotomies required autologous cancellous grafting. There were 8 allograft fractures after consolidation. The following factors which might influence consolidation were analysed: age of the host and donor; allograft length and site; type of osteotomy and osteosynthesis; intra-arterial and systemic chemotherapy; intraoperative and external radio-therapy.
In diaphyseal osteotomies there were statistically significant differences in consolidation time with the use of systemic chemotherapy, external radiotherapy and the recipient's age.
CITATION Int Orthop. 1995;19(6):377-82
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