About The Medical Condition Malignant Optic Nerve Astrocytoma
Find the definition of the medical term Malignant Optic Nerve Astrocytoma. Malignant Optic Nerve Astrocytoma defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Malignant Optic Nerve Astrocytoma
| Malignant Optic Nerve Astrocytoma Medical Condition |
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What's The Definition Of The Medical Condition Malignant Optic Nerve Astrocytoma?
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; 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)
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