《英文msh词典》Malignant Optic Nerve Astrocytoma
[入口词] Malignant Optic Nerve 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)