T2 axials

Findings: Homogeneous mass in the splenium of the corpus callosum with surrounding vasogenic edema. Prominent flow voids in the frontal parasagittal region (a). Septum pellucidum (pel). Insular cortex (ins). Thalamostriate vein (tsv). Head of the caudate nucleus (caud). Superior temporal gyrus (stg) forming the temporal operculum. Genu of the corpus callosum (genu). Inferior frontal gyrus (ifg). Middle frontal gyrus (mfg). Superior frontal gyrus (sfg).