1.2研究方法 使用Sonata 1.5Telsla超导磁共振诊断仪(Simens,Germany),采用多体素(Multi-voxel)技术和化学位移成像扫描序列(chemical shifting imaging, CSI)进行检测,扫描层厚15mm,采样容积:80mmX80mmX15mm,单一体素设...
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Results 1) Multi-fiber within a voxel might lead to the decrease of FA;
结果1)单体素内多纤维分叉可能会导致部分各向异性FA值降低;
Conclusion Abnormal crossing of multi-fiber within a voxel is one of reasons to cause diffusion anisotropy change. Abnormal crossing of multi-fiber may not affect the FA value.
结论多纤维分叉异常是导致部分各向异性降低的原因之一,但多纤维分叉现象并不一定影响部分各向异性FA值。
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