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Washington University Experience | NEOPLASMS (MENINGIOMA) | Psammomatous | 8C Meningioma, psammomatous (Case 8) MIB 2
No significant mitotic activity is seen but a Ki-67 immunostain shows 5% of the cells to be positive. No increase in cellularity, sheeting, small cell formation, macronucleoli, or necrosis is seen.
