Fig. 1

X-ray, computed tomography scan and magnetic resonance imaging before surgery. a Anteroposterior, b Lateral radiographs, c A 3-dimensional computed tomography of the right knee demonstrating a large depression fracture of the lateral femoral condyle. d Coronal T2-weighted, e Sagittal T2-weighted magnetic resonance imaging of the right knee taken before surgery demonstrated a large osteochondral defect of the lateral femoral condyle and superficial medial collateral ligament rupture