Scanning pattern of diffusion tensor tractography and an analysis of the morphology and function of spinal nerve roots

查看全文 作　　者：Xin [1]Tian;Huaijun [1]Liu;Zuojun [1]Geng;Hua [1]Yang;Guoshi [1]Wang;Jiping [1]Yang;Chunxia [1]Wang;Cuining [1]Li;Ying [1]Li

机构地区：[1]Department of Medical Imaging,the Second Hospital of Hebei Medical University

出　　处：《Neural Regeneration Research》索引2013年第8卷第33期,共8页

基　　金：supported by the Instruction Project of Health Department of Hebei Province of China in 2012,No.20120072 摘　　要：Radiculopathy,commonly induced by intervertebral disk bulging or protrusion,is presently diagnosed in accordance with clinical symptoms because there is no objective quantitative diagnostic criterion.Diffusion tensor magnetic resonance imaging and diffusion tensor tractography revealed the characterization of anisotropic diffusion and displayed the anatomic form of nerve root fibers This study included 18 cases with intervertebral disc degeneration-induced unilateral radiculopathy Magnetic resonance diffusion tensor imaging was creatively used to reveal the scanning pattern o fiber tracking of the spinal nerve root.A scoring system of nerve root morphology was used to quantitatively assess nerve root morphology and functional alteration after intervertebral disc degeneration.Results showed that after fiber tracking,compared with unaffected nerve root,fiber bundles gathered together and interrupted at the affected side.No significant alteration was detected in the number of fiber bundles,but the cross-sectional area of nerve root fibers was reduced These results suggest that diffusion tensor magnetic resonance imaging-based tractography can be used to quantitatively evaluate nerve root function according to the area and morphology of fiber bundles of nerve roots. 关键词：跟踪技术扩散张量解剖形态脊神经扫描模式弥散磁共振成像各向异性扩散

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Scanning pattern of diffusion tensor tractography and an analysis of the morphology and function of spinal nerve roots

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