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Washington University Experience | NEOPLASMS (GLIAL) | Oligodendroglioma - Histologically Defined (most del 1p19q) | 3A1 Oligodendroglioma, Grade 2 (Case 3) 1
3A1,2 At autopsy, the weight of the unfixed brain was 1150g. Coronal sections of the cerebral hemispheres revealed a tan homogeneous mass in the right temporal lobe measuring approximately 3.5 x 2.0 x 2.0 cm. The tumor tissue is free of necrosis or hemorrhage and has variably discrete or infiltrative border with adjacent brain parenchyma.