The Relationship between Osteoporosis and Osteoarthritis of the Knee: A Report of 2 Cases with Suspected Osteonecrosis
Figure 6
Preoperative magnetic resonance images of the affected knee in Case 2. T1-weighted image shows low signal intensity on the medial femoral condyle and tibial plateau (a). T2-weighted image shows high intensity in the central area of the femoral lesion and the surrounding low-intensity area (b).