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Histological Findings in a Proximal Femoral Structural Allograft Ten Years Following Revision Total Hip Arthroplasty A Case Report
Moussa Hamadouche, MD; Cinderella Blanchat, BS; Alain Meunier, PhD; Luc Kerboull, MD; Marcel Kerboull, MD
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Investigation performed at the Orthopaedic Research Laboratory, Paris, France

Moussa Hamadouche, MD
Luc Kerboull, MD
Marcel Kerboull, MD
Department of Orthopaedic and Reconstructive Surgery, Service A, Centre Hospitalo-Universitaire Cochin-Port Royal, 27 rue du Faubourg Saint Jacques, 75014 Paris, France

Cinderella Blanchat, BS
Alain Meunier, PhD
Orthopaedic Research Laboratory, Faculté de Médecine Lariboisière Saint-Louis, Université D. Diderot, Paris VII, UPRES A CNRS 7052, 10 avenue de Verdun, 75010 Paris, France

No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article. No funds were received in support of this study.

J Bone Joint Surg Am, 2002 Feb 01;84(2):269-273
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Failure of the femoral component with progressive bone loss is an important long-term complication of total hip arthroplasty. Among the different methods that have been advocated for dealing with massive femoral structural defects, bone-grafting is the only currently available procedure for restoring bone stock1-7. At the institution of the senior one of us (M.K.), a method to deal with deficient proximal femoral cortical bone was developed in 1987 and has been in use since that time8. This technique consists of impaction of a proximal femoral structural allograft into the host femur. A femoral component of standard length then is cemented only into the allograft. The clinical and radiographic results have been satisfactory, with one revision among twenty-seven procedures after a mean of five years of follow-up8. However, the underlying process of incorporation of a massive allograft remains unknown. To the best of our knowledge, there are no reports in the literature of the long-term results of histological evaluation of a massive allograft following revision total hip arthroplasty. The aim of this report is to address the issue of long-term incorporation and remodeling of a femoral structural allograft.
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    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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