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Washington University Experience | NEOPLASMS (MENINGIOMA) | Transitional | 6B4 Meningioma, transitional (Case 6) 3.jpg
Additional tumor cell image. (H&E) ---- Not shown: By immunohistochemistry, the tumor cells also show patchy expression of progesterone receptor and a slightly elevated Ki-67 labeling index (~5.8%) focally. ---- Comment: The overall findings are consistent with a meningioma, WHO grade I.
