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Jpn J Ophthalmol. 1998 Sep-Oct;42(5):381-4.

Severe optic disc edema without hydrocephalus in neurofibromatosis 2.

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Department of Ophthalmology, Hokkaido University School of Medicine, Sapporo, Japan.


A 26-year-old man who had neurofibromatosis type-2 with symptoms of unexplained optic disc edema is reported. Magnetic resonance imaging (MRI) revealed bilateral acoustic schwannomas. Obstructive hydrocephalus, however, was not evident in spite of his severe disc edema and visual loss. After partial removal of the right acoustic schwannoma, symptoms of intracranial hypertension, such as vomiting and headache, developed and MRI demonstrated evidence of obstructive hydrocephalus. Placement of a ventricular-peritoneal shunt relieved the symptoms of intracranial hypertension, but visual acuity in his left eye was reduced to hand motion due to secondary optic atrophy. In patients with similar symptoms it is suggested that, in addition to tumor removal, early treatment to decrease intracranial pressure should be considered when visual function is progressively impaired by the symptoms of prolonged papilledema.

[Indexed for MEDLINE]

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