单词 | Optic Nerve,Malignant Astrocytoma |
释义 | Optic Nerve,Malignant Astrocytoma《英文msh词典》Optic Nerve,Malignant Astrocytoma [入口词] Optic Nerve,Malignant Astrocytoma [主题词] Optic Nerve Glioma [英文释义] 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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