Fig. 1
From: JC virus granule cell neuronopathy onset two months after chemotherapy for low-grade lymphoma
a Sagittal T1 MRI demonstrates severe atrophy of the cerebellar vermis and hemispheres. b Axial T2 MRI demonstrates patchy hyperintensities involving the pons and middle cerebellar peduncles and ex vacuo dilatation of the 4th ventricle