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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma - Microscopic | 10S3 Ependymoma, anaplastic (Case 10S) GFAP.jpg
The tumor is GFAP immunoreactive with an epithelioid pattern. (GFAP IHC) ---- Not shown: The tumor is proliferative with 8 mitoses/10HPF. The Ki-67 proliferation index is elevated, ranging focally up to 16%. Microvascular proliferation is focal. The diagnosis made was WHO Grade 3 ependymoma.
