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  • Title: CT recognition of optic nerve sheath meningioma: abnormal sheath visualization.
    Author: Daniels DL, Williams AL, Syvertsen A, Gager WE, Harris GJ.
    Journal: AJNR Am J Neuroradiol; 1982; 3(2):181-3. PubMed ID: 6803552.
    Abstract:
    Optic nerve sheath meningiomas and optic nerve gliomas can be difficult to differentiate by computed tomography (CT). Three patients with optic nerve sheath meningiomas were studied with a CT/T 8800 scanner with 1.5-mm-thick axial sections and intravenous contrast material. In each case, an abnormal optic nerve sheath was identified by CT. A soft-tissue mass arose from one side of the sheath in one patient, and the entire sheath was enlarged in two patients. This provides a basis for distinguishing optic nerve sheath meningioma from optic nerve glioma.
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