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Washington University Experience | NEOPLASMS (MENINGIOMA) | Anaplastic | 19F Meningioma, anaplastic (Case 19) GFAP 1.jpg
Immunohistochemistry for glial fibrillary acidic protein (GFAP) confirms the presence of brain invasion and also highlights focally robust reactive astrocytosis within a macrophage-rich area of brain tissue.
