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

Figure 3

(a, b) Open view 3.0 × 4.0 cm trochlear osteochondral defect. (c) Fresh OCA trochlear bulk allograft 3.0 × 4.0 cm, thickness 5-7 mm contoured. (d) Bulk allograft positioned in defect. (e) Chondral darts placed around the periphery to provide preliminary fixation. (f) Additional titanium 2.0 mm screws placed peripherally on the nonarticular margin of the allograft.

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