Brain magnetic resonance imaging (MRI) of a 65-year-old with left mesial temporal lobe sclerosis

65-year-old with focal-onset, impaired-awareness (partial-complex) seizures and "drop attacks" secondary to left mesial temporal sclerosis. Coronal T2-weighted MRI images show (A) atrophy of left hippocampus (circle), asymmetric atrophy of the left fornix (arrow) and (B) left mamillary body (thick arrow), asymmetric enlargement of the left temporal horn (arrow), and diffuse atrophy of white matter in left temporal lobe.