Fig. 2From: A case of bilateral revision total knee arthroplasty using distal femoral allograft–prosthesis composite and femoral head allografting at the tibial site with a varus-valgus constrained prosthesis: ten-year follow upIntraoperative photographs. a Hypertrophic villous synovium, b extensive wear, delamination and deformation of the polyethylene insert distributed asymmetrically over the medial and lateral sides, c patellar polyethylene wear, d extensive bone loss in the anterior distal femur, e uncontained bone defect of the entire distal femoral condyle, f uncontained bone defect of the proximal tibiaBack to article page