Legend Coronal T2 (left) and FLAIR (right) images demonstrate abnormal high signal in the left hippocampus with evidence for atrophy and mild dilatation of the left temporal horn. Atrophy is also noted in the left parahippocampal gyrus.

Legend Single-voxel proton MR spectra (TE 30 msec) reveal reduced NAA / choline ratio on the left compared to the normal right hippocampus. Key words: mri mrs inflammation degenerative

Brain Diagnosis: Mesial temporal sclerosis