Massive Osteolysis in a Modern Total Knee Prosthesis

Figure 4

Intraoperative findings. (a) Lateral view of the distal femur showing massive osteolysis of the lateral condyle. (b) Top-down view of the distal femur after implant removal showing extension of the osteolysis into the canal. (c) Top view and (d) backside view of the X3® insert with no evidence of wear or surface damage. The entire polyethylene surface demonstrated yellow discoloration consistent with oxidation.

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