Long-Term Outcomes of Osteochondral Allograft with Osteogenic Protein-1 Augmentation: A Twelve-Year Follow-Up

Figure 9

Four-year postoperative MRI. (a) Axial metal artifact reduction sequence (MARS) image demonstrates previous trochlear osteochondral allograft well integrated with intact articular cartilage. (b) T2 mapping axial image with maintained patellofemoral articular cartilage. (c) Sagittal MARS image with well-incorporated medial femoral allograft and preserved articular continuity. (d) Sagittal T2 mapping image demonstrating intact articular cartilage surface at medial femoral condyle allograft.

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