anaplastic oligodendroglioma


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  • Clinical

    • middle aged
    • site: hemispheres
    • WHO grade III
    • can be de novo or arise from prior oligo

  • Histology

    • hypercellular
    • blue nuclei with marked atypia
    • fried egg perinuclear halos
    • calcifications
    • mitosis, vascular proliferation, necrosis

  • Stains

    • high Ki67

  • Molecular

    • 1p19q deletion
    		•