Figure 2From: Treatment of focal degenerative cartilage defects with polymer-based autologous chondrocyte grafts: four-year clinical resultsRadiographs of patients with focal degenerative cartilage defects prior to treatment with autologous chondrocyte grafts (BioSeed®-C). (a) This patient showed a Kellgren-Lawrence score of 2, with narrowing of the joint space (black arrowhead). (b) This patient showed a Kellgren-Lawrence score of 3, with narrowing of the joint space and osteophytes (white arrowheads).Back to article page