Diffusion tensor magnetic resonance imaging may show abnormalities in the normal-appearing cervical spinal cord from patients with multiple sclerosis

被引：6
|
作者：
Miraldi, Fernanda [1 ]
Rueda Lopes, Fernanda Cristina [2 ]
Altamiro Costa, Joao Victor [2 ]
Alves-Leon, Soniza Vieira [3 ,4 ]
Gasparetto, Emerson Leandro [4 ]
机构：
[1] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, RJ, Brazil
[2] Univ Fed Rio de Janeiro, Dept Radiol, Rio de Janeiro, RJ, Brazil
[3] Univ Fed Rio de Janeiro, Dept Neurol, Rio de Janeiro, RJ, Brazil
[4] Clin Diagnost Imagem, Rio De Janeiro, RJ, Brazil
来源：
ARQUIVOS DE NEURO-PSIQUIATRIA | 2013年 / 71卷 / 9A期
关键词：
diffusion tensor imaging; multiple sclerosis; cervical spinal cord; NEUROMYELITIS-OPTICA; PATHOGENESIS; DAMAGE;
D O I：
10.1590/0004-282X20130099
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Objective: This study aims to evaluate "in vivo" the integrity of the normal-appearing spinal cord (NASC) in patients with multiple sclerosis (MS) compared to controls, using diffusion tensor MR imaging. Methods: We studied 32 patients with MS and 17 without any neurologic disorder. Fractional anisotropy (FA), axial diffusivity (AD), radial diffusivity (RD) and mean diffusivity (MD) were calculated within regions of interest at C2 and C7 levels in the four columns of the spinal cord. Results: At C2, FA value was decreased in MS patients. Besides, RD value was higher in MS than in controls. At C7, MD values were increased in MS. Conclusion: The NASC in the right column of the cervical spinal cord showed abnormal FA, RD and MD values, which is possibly related to demyelination, since the FA abnormality was related to the RD and not to the AD.
引用
收藏
页码：580 / 583
页数：4
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