Epidural Lipomatosis: (Left Top) T1-weighted axial MRI at the L2-L3 level; (Left Bottom) T2-weighted axial MRI at the L2-L3 level; (Right Top) T1-weighted axial MRI at the L5-S1 level; (Right Bottom) ...

On the axial scans, the lesion enhances with gadolinium. On the left lower image, one can clearly see that this lesion is extradural. On the parasagittal scan on the right, note the normal nerve roots ...