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Clin Orthop Relat Res. 2001 Jan;(382):28-33.

Allograft-allograft healing? Salvage of massive allografts after fracture.

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Department of Orthopaedic Surgery and Rehabilitation, Health Science Center, University of Florida, Gainesville 32610-0246, USA.


Two cases are presented in which an allograft was inserted to salvage a previous allograft bone reconstruction that had followed resection for osteosarcoma. In each instance an allograft-allograft junction was created and, with time, healed. In the first case, a fracture of a distal femoral osteoarticular allograft was salvaged by adding a second allograft and a total knee arthroplasty. This construct preserved the majority of the allograft and allowed rapid rehabilitation. In the second case, an allograft arthrodesis of the knee was salvaged after fracture by replacing the distal portion of the fractured allograft with a new allograft. Again, an allograft-allograft junction was created and healed within 6 months. Allograft fractures pose challenging reconstructive problems. In these two cases, the addition of more allograft facilitated continued limb salvage and function.

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