MRI brain (with gadolinium contrast) of patient on presentation showed multifocal hyper intensities in cortical and subcortical location of parietal, temporal, frontal lobes, basal ganglia, thalami, pons and left side midbrain causing localized swelling, mild compression upon frontal horns of lateral ventricles. Ring like enhancements in some lesions of basal ganglia, thalami and pons