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Washington University Experience | MYELIN (IMMUNE-MEDIATED) | ADEM | 6C3 ADEM (Case 6) LFB-PAS 40X copy
Higher magnification of one perivascular region shows numerous macrophages with engulfed blue particles of undigested myelin (arrows). With time the engulfed material appears pink, particularly as macrophages cluster in the Virchow-Robin spaces in anticipation of leaving the CNS (LFB-PAS)
