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Autologous chondrocyte\u00a0implantation is demonstrating promising outcomes for the treatment of patellofemoral cartilage lesions, but may not suffice for knees with underlying mechanical anomalies as trochlear dysplasia, where adjuvant trochleoplasty or tibial tubercle osteotomy may be required to prevent patellofemoral instability and to protect the graft from wear and damage. Rigorous radiographic assessment is important to discern the type of dysplasia, notably the presence of a potentially pathogenic supra\u2010trochlear spur. 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