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  • Optic nerve sheath meningioma

    Courtesy of Valerie Biousse, MD.
    File Size: 137 KB
    Neuro-Ophthalmology/Orbit
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    MRI scan of a patient with left optic nerve sheath meningioma. A, A T1-weighted axial orbital MRI scan shows the normal hyperintense orbital fat. B, Suppression of the orbital fat allows visualization of the optic nerve sheath enhancement (arrow) consistent with a meningioma. C, A T1-weighted coronal postcontrast image with orbital fat suppression shows enhancement of the optic nerve sheath (arrow).