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Washington University Experience | INFECTION | Viruses | PML (JC Virus) | PML - Granule Cell Neuronopathy | 1H5 Granule cell neuronopathy (Case 1 Autopsy specimen) N14 ISH 24 copy
1H5,6 In situ hybridization for JC Virus shows scattered labeled atypical Bergmann astrocytes (arrows). Clumps of remaining granule cells (arrowheads) completely fail to label with JCV ISH.