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Washington University Experience | INFECTION | Viruses | PML (JC Virus) | PML - Microscopic Pathology | 4B3 PML (Case 9) localized, Biels cortex 5
Long stretches of axons within demyelinated foci, characterized by large numbers of macrophages, are relatively well preserved as expected in a demyelinating process. (Bielschowsky silver stain)