A 15 year old boy was brought with fever, headache, vomiting and blurring of vision for three days
MR imaging of the brain shows multiple T2/FLAIR hyperintensities in the cortical and subcortical white matter of both the cerebral hemispheres predominantly involving the fronto-parietal-occipital lobes and the cerebellar hemispheres with few areas showing diffusion restriction and signal drop without susceptibility. on ADC