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Washington University Experience | NEOPLASMS (GLIAL) | Oligodendroglioma - IDH1 mutant, del 1p19q - Grade 2 | 12A2 Oligodendroglioma, Grade 2 (Case 12) H&E 3.jpg
Sections of the resected left frontal tumor show sheets of neoplastic cells and grey and white matter involved to a varying degree by an infiltrating glioma with oligodendroglial differentiation. Mini-gemistocytes are common. Affected grey matter shows perineuronal satellitosis. A microglial response to invading tumor cells is also present. Mitotic activity is not observed.
