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Washington University Experience | NEOPLASMS (GLIAL) | Oligodendroglioma - IDH1 mutant, del 1p19q - Grade 3 | 3B3 Oligodendroglioma, anaplastic, WHO Grade 3 (Case 3) H&E 15
A portion of the tumor has very dense cellularity with crowded cell nuclei. The tumor cell nuclei are rounded with speckled chromatin and have a perinuclear clearing in the cytoplasm.