Fig. 4From: Effect of medial open wedge high tibial osteotomy on progression of patellofemoral osteoarthritisMerchant view radiographs of a 56-year-old woman (case 2). A Preoperative radiograph showing no patellofemoral joint osteoarthritis. B Follow-up radiograph 5 years after surgery showing no patellofemoral joint osteoarthritisBack to article page