case_images: PMC4620392_01
case_images: Postoperative radiograph of patellofemoral joint replacement.
case_images: CRIOR2015-635082.001.jpg
case_images: PMC4620392_01_CRIOR2015-635082.001.jpg
case_images: fig1
case_images: Following his surgery using the Zimmer Gender Solutions Patello-Femoral Joint his symptoms progressively worsened (Figure 1).
case_images: Postoperative radiograph of 1st stage revision with cement spacer, also seen is the cystic lesion on femoral side packed with bone graft.
case_images: CRIOR2015-635082.002.jpg
case_images: PMC4620392_01_CRIOR2015-635082.002.jpg
case_images: fig2
case_images: The cyst was curetted and packed with bone graft and a cement spacer was placed (Figure 2).
case_images: Postoperative radiograph of 2nd stage revision with nickel-free prosthesis.
case_images: CRIOR2015-635082.003.jpg
case_images: PMC4620392_01_CRIOR2015-635082.003.jpg
case_images: fig3
case_images: This patient went on to have a 2nd stage revision using a nickel-free revision knee system (Figure 3), and at 6-month follow-up showed dramatic improvement in his symptoms.