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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma - Microscopic | 22E Ependymoma, WHO II (Case 22) Ki67
Ki-67 highlights a proliferative index focally up to 4.8% ---- Not shown: Neurofilament is negative in the tumor cells and highlights the tumor’s pushing border with the adjacent brain parenchyma. ---- The overall histomorphology, immunohistochemical profiles are consistent with a diagnosis of ependymoma, WHO grade 2.
