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Washington University Experience | MYELIN (IMMUNE-MEDIATED) | MS - Optic Nerves | 9D1 MS (Case 9) optic tract B9 CD68 whole mount

9D1,2 Although the lesion appears relatively inactive by H&E, there are frequent macrophages and microglia in the demyelinated focus and at the margins with the maintained myelin area (CD68 IHC)

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