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弥散张量成像(d iffusion tensor imaging,DTI)是在弥散加权成像(d iffusion weighted imaging,DW I)基础上发展起来的一种利用水分子扩散原理检查活体组织结构的磁共振成像方法,是目前唯一可以在活体显示大脑内白质纤维走向的技术[1]。自1965年Stejskal等[2]提出一种对扩散敏
Dfusion tensor imaging (DTI) is a magnetic resonance imaging method developed on the basis of DWI (DWI), which uses the principle of water molecule diffusion to examine the structure of living tissue. The only technology that can show the direction of white matter in the brain in vivo [1]. Since 1965 Stejskal et al. [2] proposed a proliferation sensitivity