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Washington University Experience | MYELIN (IMMUNE-MEDIATED) | MS - Tumefactive | 2D2 Tumefactive MS (Case 2) LFB-PAS 20X
2D2,3 Higher magnification images show loss of myelinated axons. Astrocytes have light blue cytoplasm and macrophages generally contain red granules of metabolized myelin. Macrophages are numerous in Virchow Robin spaces around the microvasculature.