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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma - Microscopic | 23E Ependymoma, focal anaplasia (WHO III) (Case 23) Ki-67 1
Ki-67 (MIB-1 antibody) establishes a proliferation index of 19.5%. ---- Not shown: D2-40 also show positivity within the luminal elements of true rosettes and dot-like positivity. ---- Comment: These histomorphological and immunohistochemical findings support the "integrated" diagnosis: Ependymoma with focal anaplasia, WHO grade 3
