Collagen and Biphasic Calcium Phosphate Bone Graft in Large Osseous Defects

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abstractThe cavity left by the removal of tumors represents a challenge for the orthopedic oncologic surgeon. This article takes a critical look at the use of a synthetic bone graft to fill the residual space. A combination of hydroxyapatite, tricalcium phosphate, and bovine collagen was used for intramedullary tumors. Thirty patients were followed for an average of 23 months. The majority (93%) returned to full activity with only 6 (20%) complications. Study results showed collagen and biphasic calcium phosphate ceramic bone graft makes an effective substrate for filling intramedullary cavities remaining after tumor excision.

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