Fig. 2From: Restoration of a large osteochondral defect of the knee using a composite of umbilical cord blood-derived mesenchymal stem cells and hyaluronic acid hydrogel: a case report with a 5-year follow-upPreoperative magnetic resonance image. a Axial, b sagittal and c coronal images showed large osteochondral defect (approximately 2.7 cm × 2.2 cm sized and 1.5 cm deep) on lateral femoral condyle with osteochondral loose bodyBack to article page