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Washington University Experience | NEOPLASMS (MENINGIOMA) | Anaplastic | 19B1 Meningioma, anaplastic (Case 19) H&E whole mount
19B1,2 H&E stained tumor shows a malignant-appearing, predominantly meningothelial neoplasm with extensive infarct-like and spontaneous necrosis, and regionally variable histological patterns.