title: Trigeminal root entry zone involvement in neuromyelitis optica and multiple sclerosis.
abstract: Trigeminal root entry zone abnormality on brain magnetic resonance imaging has been frequently reported in multiple sclerosis patients, but it has not been investigated in neuromyelitis optica patients. Brain magnetic resonance imaging of 128 consecutive multiple sclerosis patients and 46 neuromyelitis optica patients was evaluated. Trigeminal root entry zone abnormality was present in 11 (8.6%) of the multiple sclerosis patients and two (4.3%) of the neuromyelitis optica patients. The pontine trigeminal root entry zone may be involved in both multiple sclerosis and neuromyelitis optica.
authors.affiliation: Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan. Electronic address: chinneosyo0624@yahoo.co.jp.
authors.forename: Atsuhiko
authors.initials: A
authors.lastname: Sugiyama
authors.affiliation: Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan.
authors.forename: Masahiro
authors.initials: M
authors.lastname: Mori
authors.affiliation: Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan.
authors.forename: Hiroki
authors.initials: H
authors.lastname: Masuda
authors.affiliation: Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan.
authors.forename: Tomohiko
authors.initials: T
authors.lastname: Uchida
authors.affiliation: Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan.
authors.forename: Mayumi
authors.initials: M
authors.lastname: Muto
authors.affiliation: Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan.
authors.forename: Akiyuki
authors.initials: A
authors.lastname: Uzawa
authors.affiliation: Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan; Office of Medical Education, Graduate School of Medicine, Chiba University, Chiba, Japan.
authors.forename: Shoichi
authors.initials: S
authors.lastname: Ito
authors.affiliation: Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan.
authors.forename: Satoshi
authors.initials: S
authors.lastname: Kuwabara
mesh_terms: D000328:Adult; D004185:Disability Evaluation; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000473:pathology*; D009471:Neuromyelitis Optica / Q000473:pathology*; D065821:Pontine Tegmentum / Q000473:pathology*; D012189:Retrospective Studies
keywords: Magnetic resonance imaging; Multiple sclerosis; Neuromyelitis optica; Trigeminal nerve; Trigeminal neuralgia; Trigeminal root entry zone