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Washington University Experience | NEOPLASMS (GLIAL) | Oligodendroglioma - IDH1 mutant, del 1p19q - Grade 2 | 7B Oligodendroglioma & histiocytes, WHO II (Case 7) Olig2 1.jpg
A majority of the tumor cells have strong nuclear positivity for olig2, while only a minor subset had cytoplasmic positivity for glial fibrillary acidic protein (GFAP).
