title: MRI of the optic nerve in benign intracranial hypertension.
abstract: We investigated the MRI appearance of the optic nerve and its cerebrospinal-fluid-containing sheath in 17 patients with benign intracranial hypertension (BIH) and 15 normal controls. Using phased-array local coils, 3-mm coronal T2-weighted fat-suppressed fast spin-echo images were obtained with an in-plane resolution of < 0.39 mm. The optic nerve and its sheath were clearly differentiated. An enlarged, elongated subarachnoid space around the optic nerve was demonstrated in patients with BIH. High-resolution MRI of the optic nerve offers additional information which may be of value for diagnosis and in planning and monitoring treatment.
authors.affiliation: NMR Research Group, Institute of Neurology, National Hospital for Neurology and Neurosurgery, London, UK.
authors.forename: A
authors.initials: A
authors.lastname: Gass
authors.forename: G J
authors.initials: GJ
authors.lastname: Barker
authors.forename: P
authors.initials: P
authors.lastname: Riordan-Eva
authors.forename: D
authors.initials: D
authors.lastname: MacManus
authors.forename: M
authors.initials: M
authors.lastname: Sanders
authors.forename: P S
authors.initials: PS
authors.lastname: Tofts
authors.forename: W I
authors.initials: WI
authors.lastname: McDonald
authors.forename: I F
authors.initials: IF
authors.lastname: Moseley
authors.forename: D H
authors.initials: DH
authors.lastname: Miller
mesh_terms: D000293:Adolescent; D000328:Adult; D002555:Cerebrospinal Fluid; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009901:Optic Nerve Diseases / Q000209:etiology / Q000473:pathology*; D011559:Pseudotumor Cerebri / Q000150:complications / Q000473:pathology*