Frozen Autograft-Prosthesis Composite Reconstruction in Malignant Bone Tumors.

08:00 EDT 1st October 2015 | BioPortfolio

Summary of "Frozen Autograft-Prosthesis Composite Reconstruction in Malignant Bone Tumors."

Several methods are available using an endoprosthesis or biological reconstruction for malignant bone tumors. Methods that use allograft-prosthesis composites have shown promising results. In 1999, the authors developed a method of reconstruction that uses a tumor-bearing autograft treated with liquid nitrogen. This technique was modified to produce a pedicle frozen autograft to maintain anatomical continuity on one side. In this study, the results of bone reconstructions using frozen autograft-prosthesis composites were retrospectively evaluated. The demographic data, histological records, surgical procedures, functional scores, and complications of 22 patients who had bone sarcoma or metastasis and at least 2 years of follow-up were reviewed. There were 19 patients with primary bone sarcoma and 3 with bone metastasis. Average age was 36 years (range, 9-73 years), and mean follow-up was 63 months (range, 24-176 months). Reconstructions were performed on 10 proximal femurs, 5 distal femurs, 4 proximal tibias, 1 proximal humerus, 1 proximal radius, and 1 hemipelvis. There were 12 pedicle-freezing and 10 free-freezing procedures. Union rate was 90% (9/10), and average union time was 9.5 months. Average Musculoskeletal Tumor Society score was 89.3%. Complications included 1 fracture, 2 infections, 3 soft tissue recurrences, and 1 posterior interosseous nerve palsy. The authors concluded that the frozen autograft-prosthesis composite demonstrated excellent Musculoskeletal Tumor Society scores, a low complication rate, and a good union rate and was superior when used with the pedicle-freezing technique. [Orthopedics. 2015; 38(10):e911-e918.].


Journal Details

This article was published in the following journal.

Name: Orthopedics
ISSN: 1938-2367
Pages: e911-e918


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