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Washington University Experience | NEOPLASMS (MENINGIOMA) | Rhabdoid | 7A2 Meningioma, rhabdoid SP RadioRx (Case 7) H&E 10
These histomorphologic and immunohistochemical findings (particularly the mitotic index in excess of 20) support the diagnosis of anaplastic meningioma with brain invasion, WHO grade 3, likely radiation induced.