Fig. 1

Splenial lesion. In a 39-year old male patent, axial apparent diffusion coefficient map from diffusion weighted imaging A shows a focal lesion in the splenium of the corpus callosum with strong diffusion restriction (arrow). There is slight accompanying signal hyperintensity on the corresponding Flair image (B). Slight hyperintensity of the bilateral thalami was uniformly seen on our scanner with this sequence and considered artefactual