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Washington University Experience | NEOPLASMS (MENINGIOMA) | Meningioma - Clear cell | 22E Meningioma, clear cell (Case 22) Ki67 40X
Immunohistochemical stains performed show that the MIB I activity is low to moderate focally. ---- The presence of hypercellularity, sheeting, small cell change and macronucleoli makes this an atypical meningioma, with focal clear cell morphology, WHO Grade 2.
