Oligodendroglioma

Oligodendroglioma is a primary, diffusely infiltrating central nervous system neoplasm that arises from oligodendroglial lineage cells within the brain, most commonly affecting the cerebral hemispheres—particularly the frontal and temporal lobes—in young to middle-aged adults Classified as either WHO grade 2 (low grade) or grade 3 (anaplastic), these tumors characteristically present with seizures, headaches, or focal neurologic deficits, exhibiting a classical "fried egg" cytomorphology on hist...

Oligodendroglioma is a primary, diffusely infiltrating central nervous system neoplasm that arises from oligodendroglial lineage cells within the brain, most commonly affecting the cerebral hemispheres—particularly the frontal and temporal lobes—in young to middle-aged adults

Oligodendroglioma is a primary, diffusely infiltrating central nervous system neoplasm that arises from oligodendroglial lineage cells within the brain, most commonly affecting the cerebral hemispheres—particularly the frontal and temporal lobes—in young to middle-aged adults

Under current World Health Organization classification criteria, it is defined pathologically by the mandatory co-occurrence of an isocitrate dehydrogenase (*IDH1* or *IDH2*) mutation and complete concurrent deletion of chromosome arms 1p and 19q (1p/19q codeletion) Classified as either WHO grade 2 (low grade) or grade 3 (anaplastic), these tumors characteristically present with seizures, headaches, or focal neurologic deficits, exhibiting a classical "fried egg" cytomorphology on histology

Under current World Health Organization classification criteria, it is defined pathologically by the mandatory co-occurrence of an isocitrate dehydrogenase (*IDH1* or *IDH2*) mutation and complete concurrent deletion of chromosome arms 1p and 19q (1p/19q codeletion)

Under current World Health Organization classification criteria, it is defined pathologically by the mandatory co-occurrence of an isocitrate dehydrogenase (*IDH1* or *IDH2*) mutation and complete concurrent deletion of chromosome arms 1p and 19q (1p/19q codeletion)

Classified as either WHO grade 2 (low grade) or grade 3 (anaplastic), these tumors characteristically present with seizures, headaches, or focal neurologic deficits, exhibiting a classical "fried egg" cytomorphology on histology