Fig. 5From: Successful treatment of a habitual patellar dislocation after a total knee arthroplasty with a closing-wedge distal femoral varus osteotomy and medial patello-femoral ligament reconstructionIntraoperative macrographs. a the post of polyethylene insert was broken, and the patellar chondral surface was irregular and erosive. b the broken insert was replaced by thicker one to restore the varus-valgus instability the patella was resurfacedBack to article page