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  • Title: Optic nerve sheath meningioma. Neuroradiologic findings.
    Author: Cohn EM.
    Journal: J Clin Neuroophthalmol; 1983 Jun; 3(2):85-9. PubMed ID: 6224819.
    Abstract:
    Surgical exploration and biopsy confirmed the clinical diagnosis of bilateral optic nerve sheath meningiomas in a 27-year-old male patient with radiologic findings of calcifications of the intraorbital portions of the optic nerves. Plain orbital x-rays revealed ring calcifications and a CT scan disclosed the true extent of these calcifications, which were found to extend bilaterally along the nerves from the globes to the optic foramina. Coronal CT scan images revealed that the ring of calcification extended almost unbroken for the entire intraorbital length of the optic nerves. These optic nerve sheath calcifications represented calcified meningiomas.
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