Conus Medullaris Syndrome following Radionuclide Cisternography

Figure 1

Brain MRI shows marked enlargement of all ventricles (A) and T2-weighted axial (B) and sagittal (C) MR images of the lumbar spine demonstrate increased signal intensity lesion at the level of conus medullaris (arrow). The lesion is diffuse and symmetrical and involves the whole conus medullaris on axial image.