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AJNR Am J Neuroradiol. 2008 Aug;29(7):1360-2. doi: 10.3174/ajnr.A1063. Epub 2008 Apr 10.

Immediate shrinkage of optociliary shunt vessels after fractionated external beam radiation for meningioma of the optic nerve sheath.

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1
Department of Ophthalmology, University of California, San Francisco, CA 94143-0730, USA

Abstract

Fractionated stereotactic radiation has become the standard treatment of meningioma of the optic nerve sheath. The mechanism responsible for improvement in visual function is unclear, because neuroimaging after treatment usually shows no discernable change in tumor appearance. We report immediate regression of optociliary shunt vessels in a patient after radiation treatment of an optic nerve sheath meningioma. This observation indicates that radiation treatment can cause rapid reduction of optic nerve compression, even without appreciable reduction in the size of the meningioma.

PMID:
18403557
DOI:
10.3174/ajnr.A1063
[Indexed for MEDLINE]
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