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Washington University Experience | INFECTION | Viruses | PML (JC Virus) | PML - Granule Cell Neuronopathy | 9A3 PML with Granule cell loss (AANP 1993, Case 7) H&E X20 2 copy

Higher magnification image of white matter in the arbor vitae shows macrophages, loss of myelin, and atypical astrocytes (arrows) focused on the white matter of the arbor vitae; the Purkinje cells are frequently preserved (arrowheads) (AANP Diagnostic Slide Session 1993, Case 7)

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