PMC8616675_01
Tomographies of the left knee in a 17-year-old male. (a) CT through the lateral femoral condyle in a sagittal plane showing subchondral cysts. (b, c) MRI in T2-weighted sagittal and axial planes showing subchondral fluid as a sign of dissecate instability.
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Computed tomography (CT) scans showed multiple subchondral cysts (Figure 1).
Surgical treatment of an osteochondral lesion by autologous bone grafting and minced cartilage. (a) Osteochondral lesion with (b) subsequent cartilage removal by (c) debridement with a curette and (d) removal of the subchondral cysts. (e) View of the defect after miniarthrotomy and (f) after autologous cancellous bone grafting and application of the minced cartilage.
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In this way, the osteochondral defect was completely filled (Figure 2).