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Histological Analysis of a Retrieved Porous Tantalum Total Ankle Replacement: A Case Report
Richard T Epperson1,2, Alexej Barg2, Dustin L Williams1,2,3,4,5
1Department of Veterans Affairs, Bone & Joint Research Laboratory, Salt Lake City, Utah.
Case:
We present a case report documenting the retrieval and histological analysis of a porous tantalum (P-Ta) total ankle replacement (TAR) from a 50-year-old woman after a below-knee transtibial amputation. This rare opportunity to examine an intact TAR may help to better understand the implant-bone relationship because it would be in situ.
Conclusion:
In this case study, we demonstrate bone ingrowth to the first layer of the P-Ta and organized trabecular orientation, suggesting that equal bone load was achieved on the base and the rails in both components using a transfibular surgical approach.
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