Abstract
Secondary tumors of the optic nerve are more common than primary optic nerve tumors. The involvement of the optic nerve may arise from direct invasion from intraocular malignancies, from hematopoietic malignancy, from meningeal carcinomatosis, or from distant primary tumors. Orbital tumors rarely invade the optic nerve, and brain tumors involve it only in their late stages.
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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Cranial Nerve Neoplasms / pathology
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Cranial Nerve Neoplasms / secondary*
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Eye Neoplasms / pathology
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Humans
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Leukemia / pathology
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Lymphoma / pathology
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Melanoma / pathology
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Melanoma / secondary
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Optic Nerve Diseases / pathology*
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Orbital Neoplasms / pathology
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Retinoblastoma / pathology
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Retinoblastoma / secondary