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Stress fracture of the femoral component in total knee replacement: a report of 3 cases

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Summary. We report 3 cases of stress fracture of the femoral component (small size Whiteside Ortholoc II) in total knee replacements which occurred at 32, 52, and 73 months after operation. The site was at the junction between the medial posterior bevelled surface and the posterior flange. The most likely cause of failure is due to the thinness of the metal at this point.

Résumé. Nous avons relevé trois cas de fractures par fatigue sur un élément fémoral survenus 32 mois, 52 mois et 73 mois aprés une arthroplastie totale du genou. Les implants utilisés étaient des genoux entiers Whiteside Ortholoc II. Toutes les fractures se sont produites entre la surface postérieure intermédiaire en biseau et la surface postérieure de l’élément fémoral. La principale cause d’échec vient vraisemblablement de la minceur du métal sur la partie cassée de l’implant.

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Accepted: 2 July 1996

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Wada, M., Imura, S., Bo, A. et al. Stress fracture of the femoral component in total knee replacement: a report of 3 cases. International Orthopaedics SICOT 21, 54–55 (1997). https://doi.org/10.1007/s002640050118

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  • DOI: https://doi.org/10.1007/s002640050118

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