title: Schwannoma of the optic sheath.
abstract: An optic nerve sheath Schwannoma was surgically removed from a child. Magnetic resonance imaging was valuable for the surgical localization of the tumor. This is thought to be the first reported case of such a tumor.
mesh_terms: D002648:Child; D003399:Craniotomy; D006801:Humans; D008297:Male; D009442:Neurilemmoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D009901:Optic Nerve Diseases / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D014057:Tomography, X-Ray Computed