Structural Failure of a Modern Knee Tumor Megaendoprosthesis

Figure 1

X-rays of the right knee with distal femur and proximal tibia in June 2015. Left (AP view): some bone resorption at the prosthesis-tibia interface. Intact, well-fixed prosthesis. Right: lateral X-rays demonstrated a small step (arrow) of the lateral femur condyle of the prosthesis.