Abstract
Intercalary allograft reconstruction offers a joint-sparing reconstructive option, but nonunion is a devastating complication. In this article, we want to share our experience of proper dynamization of interlocking intramedullary nail for nonunion after proximal femoral intercalary allograft reconstruction. In this report, a 19-year-old girl was diagnosed proximal femoral fibroblast osteosarcoma (Enneking IIb). After neoadjuvant chemotherapy, she underwent proximal femoral intercalary allograft reconstruction fixed by retrograde interlocking intramedullary nail. At her follow-up point of one year postoperatively, nonunion was observed in the proximal host-allograft junction. Therefore she underwent the second surgery of dynamization of the interlocking intramedullary nail. After 12 months’ partial and full weight bearing exercise, bone union occurred. Our early observations show that dynamization of interlocking intramedullary nail can still be a useful means to treat nonunion of hostallograft junction if the local condition of the host and allograft bone are good enough.
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Min, L., Peng, J., Duan, H. et al. Dynamization of retrograde interlocking intramedullary nail for nonunion of distal femoral intercalary allograft reconstruction: a case report and literatures review. Chin. -Ger. J. Clin. Oncol. 12, 140–143 (2013). https://doi.org/10.1007/s10330-012-1121-7
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DOI: https://doi.org/10.1007/s10330-012-1121-7