Fig. 1From: Revision surgeries for tumor endoprostheses around the knee joint: a mid-long-term follow-up of 20 casesA 57-year-old male osteosarcoma patient, 14 years after initial endoprosthetic replacement. A Preoperative X-ray showed proximal femur prosthetic component loosening and breakout. B The shortened affected extremity, leg length discrepancy (LLD). C Allograft segment, two cables, plate, and screws were used to reconstruct and fix the proximal prostheses. D Proximal component was rebuilt. E, postoperative 1-year X-ray showed prostheses and other components in positionBack to article page