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Washington University Experience | INFECTION | Viruses | PML (JC Virus) | PML - Microscopic Pathology | 5A1 PML (Case 5) LFB-PAS whole mount 1

5A1,2 Whole mount of the cerebral cortex and white matter in an old case. The white matter in this faded LFB-PAS contains numerous demyelinative foci of differing sizes and varying relationships to blood vessels. Note the failure to spare the immediately subcortical "U fibers", seen better in the next image (#5A2) (LFB-PAS) ---- 5A1- Appearance of PML with Myelin LFB-PAS Stain (Multiple cases are represented)

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