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Washington University Experience | NEOPLASMS (MENINGIOMA) | Anaplastic | 15C Meningioma, anaplastic (Case 15) Ki67 1.jpg
The proliferation marker Ki67 stains 25% of tumor cells (Ki67 IHC) ---- Immunohistochemistry shows that the tumor has widespread cytoplasmic positivity for EMA and PR nuclear positivity.
