Multiple sclerosis (Houndmills, Basingstoke, England) · 2013
The usefulness of brain MRI at onset in the differentiation of multiple sclerosis and seropositive neuromyelitis optica spectrum disorders.
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Huh So-Young, Min Ju-Hong, Kim Woojun, Kim Su-Hyun, Kim Ho Jin, Kim Byung-Jo, Kim Byoung Joon, Lee Kwang Ho
Аннотация
BACKGROUND: Although neuromyelitis optica (NMO) is a central nervous system (CNS) autoimmune disease distinct from multiple sclerosis (MS). NMO and NMO spectrum disorder (NMOSD) sometimes show asymptomatic lesions on brain magnetic resonance imaging (MRI) at onset, and even present with symptomatic brain involvement.
OBJECTIVES: We investigated whether brain MRI at onset can be helpful for the differentiation of MS and NMOSD.
METHODS: We retrospectively analyzed initial brain MRIs, performed within three months of onset, in patients with MS (n = 51) and anti-aquaporin4-antibody-positive patients with NMOSD (n = 67).
RESULTS: NMOSD patients met the Paty (37%) and Barkhof (13%) criteria, and the criteria of the European Magnetic Imaging in MS (MAGNIMS) study group (9%), for MS. Ovoid lesions perpendicular to the lateral ventricle, isolated juxtacortical lesions in U-fibers and isolated ovoid/round cortical lesions were found only in MS patients, whereas longitudinal corticospinal tract lesions, extensive hemispheric lesions, periependymal lesions surrounding the lateral ventricle and cervicomedullary lesions were found only in NMOSD patients.
CONCLUSIONS: Our study suggests that it is difficult to differentiate MS from NMOSD by the fulfillment of the MRI criteria for MS on brain MRI at onset; however, the characteristic morphology of brain lesions is highly useful for the early differentiation of the two disorders.
OBJECTIVES: We investigated whether brain MRI at onset can be helpful for the differentiation of MS and NMOSD.
METHODS: We retrospectively analyzed initial brain MRIs, performed within three months of onset, in patients with MS (n = 51) and anti-aquaporin4-antibody-positive patients with NMOSD (n = 67).
RESULTS: NMOSD patients met the Paty (37%) and Barkhof (13%) criteria, and the criteria of the European Magnetic Imaging in MS (MAGNIMS) study group (9%), for MS. Ovoid lesions perpendicular to the lateral ventricle, isolated juxtacortical lesions in U-fibers and isolated ovoid/round cortical lesions were found only in MS patients, whereas longitudinal corticospinal tract lesions, extensive hemispheric lesions, periependymal lesions surrounding the lateral ventricle and cervicomedullary lesions were found only in NMOSD patients.
CONCLUSIONS: Our study suggests that it is difficult to differentiate MS from NMOSD by the fulfillment of the MRI criteria for MS on brain MRI at onset; however, the characteristic morphology of brain lesions is highly useful for the early differentiation of the two disorders.