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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma - Electron Microscopy | 5E Ependymoma, anaplastic, RELA Fusion pos (Case 5) Ki67 1
Ki-67 highlights of proliferative index focally up to approximately 50%. ---- Not shown: Neurofilament highlights a solid growth pattern of the tumor. ---- FISH (Cincinnati Children's Hospital) shows evidence of RELA rearrangement.