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Washington University Experience | INFECTION | Viruses | PML (JC Virus) | PML - Granule Cell Neuronopathy | 1F4 (Case 1 Autopsy specimen) Gross Pathology_15AA
Although there is a granularity and mild discoloration of the brainstem, there were no cells with viral cytopathic effect on oligodendrocytes and astrocytes. Instead there were modest inflammatory infiltrates, chiefly in the pons.