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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma - Microscopic | 18B4 Ependymoma, anaplastic (Case 18) H&E 4
The tumor is arranged in prominent perivascular pseudorosettes. There is increased cellularity, necrosis, and microvascular proliferation. Mitotic activity is increased (focally up to 6/10 HPF). Frequent karyorrhectic debris is seen.
