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Washington University Experience | NEOPLASMS (GLIAL) | Oligodendroglioma - IDH1 mutant, del 1p19q - Grade 3 | 10C Oligodendroglioma, Grade III (Case 10) MIB 1
The Ki-67 labeling index is moderate to high, reaching 17.3% focally. ---- Not shown: CD34 highlights the striking vasculature. ---- The morphologic and immunohistochemical features are consistent with the diagnosis of an anaplastic oligodendroglioma, WHO grade 3.
