Osteoid Osteoma with a Multicentric Nidus: Interstitial Laser Ablation under MRI Guidance
Figure 2
Contrast-enhanced MRI reveals a multicentric osteoid osteoma with two nidi in the femur diaphysis with a larger nidus of mm (solid arrowhead in (a) and (c)) and a smaller mm nidus inferiorly (open arrowhead in (b) and (c)). Note the thickened cortical bone and the bone marrow edema of the right femoral diaphysis. (a) and (b) contrast-enhanced T1 fs MRI; (c) T1 TSE MRI.