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Optic-spinal multiple sclerosis Kazuo FUJIHARA 1 , Ichiro NAKASHIMA 1 , Tatsuro MISU 1 , Isabelle MIYAZAWA 1 , Juichi FUJIMORI 1 , Koichi NARIKAWA 1 , Masashi NAKAMURA 1 , Toshiyuki TAKAHASHI 1 , Shohei WATANABE 1 , Shigeru SATO 2 , Yasuto ITOYAMA 1 1Department of Neurology, Tohoku University School of Medicine 2Department of Neurology, Kohnan Hospital Keyword: 視神経脊髄型多発性硬化症 , neuromyelitis optica , NMO-IgG pp.549-557
Published Date 2006/8/10
DOI https://doi.org/10.11477/mf.1431100163
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Optic-spinal multiple sclerosis(OSMS), which is characterized by the selective involvement of the optic nerves and spinal cord, has been described as a subtype of MS commonly seen in Japan. However, recent analyses in Japanese OSMS have revealed that OSMS is classified into two subtypes, 1)neuromyelitis optica(NMO)and 2)MS with optic-spinal presentation. In NMO, optic neuritis is often severe and bilateral, and myelitis is longitudinally extensive(<3 vertebral segments)and transverse, which are seldom seen in classical MS. Oligoclonal IgG bands(OB)are negative in this subtype. Meanwhile, in MS with optic-spinal presentation, the disability is milder, and long spinal cord lesions are uncommon. Moreover, HLA-DR2 associated with classical MS is often positive in MS with optic-spinal presentation, and some of the patients are OB-positive. Recently, NMO-IgG(anti-aquaporin-4 antibody)specific to severe OSMS and NMO was discovered, and the various clinical and immuno-pathological features of the unique clinical entity, which are distinct from those in classical MS, have been elucidated.


Copyright © 2006, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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