中国医科大学学报

中国医科大学学报

中国医科大学学报 ›› 2012, Vol. 41 ›› Issue (2): 155–157.

• 临床医学 • 上一篇    下一篇

磁共振弥散张量成像在脊髓压迫症中的初步应用

曲海源1, 范国光1, 李洪梅1, 于兵2   

  1. 1.中国医科大学附属第一医院放射科,沈阳 110001;2.中国医科大学附属盛京医院放射线科,沈阳 110004
  • 收稿日期:2012-09-20 修回日期:2012-09-20 出版日期:2012-02-20 发布日期:2012-09-21
  • 基金资助:
    辽宁省教育厅高校科研计划(2008838);

Preliminary Application of Diffusion Tensor Imaging in Spinal Cord Compression

QU Hai-yuan1, FAN Guo-guang* 1, LI Hong-mei1, YU Bing2   

  1. 1.Department of Radiology,The First Affiliated Hospital of China Medical University,Shenyang 110001,China;2. Department of Radiology,the Shengjing Hospital of China Medical University,Shenyang 110004,China
  • Received:2012-09-20 Revised:2012-09-20 Online:2012-02-20 Published:2012-09-21

摘要: 摘要目的 探索3.0T磁共振弥散张量成像(DTI)在脊髓压迫症中的临床价值。方法 脊髓受压患者及正常对照组分别行常规MRI扫描和横轴面DTI成像。在FA图上分别测量病例组与对照组脊髓感兴趣区部位的FA值,将2组FA值进行比较。结果 脊髓受压部位及其临近部位(在T2WI像上形态信号均无异常)的FA均值较正常对照组降低。脊髓不同受压程度的FA均值间差异有统计学意义。结论 磁共振弥散张量成像对脊髓受压损伤早期发生的华勒氏变性改变较敏感,并能反映其受压损伤程度,是目前早期活体诊断脊髓受压损伤比较准确的检查方法。

关键词: 弥散张量成像, 脊髓压迫症, 磁共振成像, 弥散张量成像, 脊髓压迫症

Abstract: Objective To study the clinical values of diffusion tensor imaging(DTI)in spinal cord compression at 3.0T MR. Methods Routine MRI and axial DTI were performed in 42 cases of spinal cord compression and 40 cases of healthy volunteers. The value of fractional anisotropy(FA) was respectively measured in region of interests(ROI) of the case group and the control group on FA maps, and FA value was compared in order to observe whether differences exist in two groups. Results FA values at location of spinal cord compression and its forthcoming location were reduced compared with the control group. There were statistic differences in FA values of different compression degree. Conclusion DTI may be more sensitive in pristine Wallerian degeneration of spinal cord compression and can reflect the injured degree of spinal cord compression.

Key words: Diffusion tensor imaging, Spinal cord compression, Magnetic resonance imaging, Diffusion tensor imaging, Spinal cord compression

中图分类号: 

  • R814.5
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