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skos:definition |
MSH: Glial cell derived tumors arising from the optic nerve, usually presenting in childhood. Roughly 50% are associated with NEUROFIBROMATOSIS 1. Clinical manifestations include decreased visual acuity; EXOPHTHALMOS; NYSTAGMUS, PATHOLOGIC; STRABISMUS; pallor or swelling of the optic disc; and INTRACRANIAL HYPERTENSION. The tumor may extend into the optic chiasm and hypothalamus. (Adams et al., Principles of Neurology, 6th ed, p681),NCI: A glioma that affects the optic nerve. This condition can be seen in association with neurofibromatosis 1. It is most commonly seen in the pediatric age group.
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