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Washington University Experience | NEOPLASMS (MENINGIOMA) | Angiomatous | 9E Meningioma, Microcystic Angiomatous (Case 9) Ki-67 1.jpg
The Ki-67 labeling index is low, estimated at 1.2%. The tumor cells are negative for inhibin. ---- The morphologic and immunohistochemical features are consistent with the diagnosis of meningioma, angiomatous and microcystic variants, WHO grade I.
