11. HSV ENCEPHALITIS T 2 & FLAIR – hyperintensities in fronto orbital and temporal cingulate and insular region ; WEST NILE ENCEPHALITIS, JE , RABIES , T2 & FLAIR – hyperintensities in thalamus basal ganglia & brainstem ; VZV ENCEPHALITIS Multifocal areas of hemorrhagic and ischemic infarcts (or) hyperintensities in basal ganglia CMV ENCEPHALITIS T2 hyperintensities in periventricular areas and enlarged ventricles PML T2 & FLAIR -multifocal asymmetric periventricular hyperintense lesion in parietooccipital region and cerebellum