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Washington University Experience | MYELIN (IMMUNE-MEDIATED) | NMO (Neuromyelitis Optica) | NMO Spectrum Disorder | 1C9 NMO (Case 1) LFB-PAS 40X no GFAP area copy
Higher magnification of the LFB-PAS stained material shows there is diminished normally preserved axonal myelin; instead, staining reflects numerous macrophages with engulfed myelin which artificially maintains the appearance of preserved myelin (arrows).
