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Washington University Experience | MYELIN (IMMUNE-MEDIATED) | AHL | AHL | 2B5 Acute Hemorrhagic Leukoencephalitis (AHL, Case 2) Cortex LFB-PAS 2
2E5,6 Perivascular demyelination involves subcortical white matter and U fibers. Higher magnification shows myelin loss and perivascular infiltration of lymphocytes and macrophages (LFB-PAS). Leukemic nodules were not identified.