Fig. 1

Magnetic resonance image of pre- and post-osteochondral autologous transfer operation. Low intensity on T2-weighted images of the right medial femoral condyle (A, C coronal plane; B, D sagittal plane). The images were taken before osteochondral autologous transfer (A, B) and before total knee arthroplasty (C, D). Yellow lines show the resection line of two parts of the tissue