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MR扩散张量成像在轻微创伤性脑损伤中的诊断应用 被引量：7

Application of MR Diffusion Tensor Imaging on Diagnosis of Mild Traumatic Brain Injury
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摘要 目的探讨MR扩散张量成像(DTI)对轻微创伤性脑损伤(mTBI)的诊断价值。方法应用DTI对33例mTBI患者(外伤后2～14天,常规CT和MRI均为阴性)和33名健康志愿者(对照组)进行检查,在各向异性(FA)图上分别测量mTBI组和对照组两侧额叶、半卵圆中心、胼胝体膝部、压部、内囊前后肢及顶枕叶白质区的FA值,并进行两两比较。结果与对照组相比,mTBI组各区域的FA值均有不同程度的下降,差异有统计学意义(P<0.01)。结论 DTI能较为敏感地检测出mTBI的白质纤维的损伤情况,有助于早期诊断和改善预后。 Objective To explore the value of MR diffusion tensor imaging（DTI）on diagnosis of mild traumatic brain injury（mBTI）.Methods 33 patients with mTBI（2-14 days after injury） whose routine CT and MRI were normal and matched 33 control subjects were performed with DTI.Fractional anisotropy（FA） was calculated from different white matter regions including frontal lobe,semioval center,corpus callosum,internal capsule and parieto-occipital and was also compared between mTBI and control group.Results Compared with control group,FA value was decreased in different degree in different white matter regions（P〈0.01）.Conclusion DTI is sensitive for detecting the traumatic injury of white matter,which is helpful for diagnosis earlier and improving prognosis
作者 柏根基 郭莉莉 张辉
机构地区 南京医科大学附属淮安第一医院放射科
出处 《临床放射学杂志》 CSCD 北大核心 2012年第9期1212-1214,共3页 Journal of Clinical Radiology
关键词 轻微创伤性脑损伤 扩散张量成像 白质纤维 Mild traumatic brain jnjury Diffusion tensor imaging White matter
分类号 R445.2 [医药卫生—影像医学与核医学]
  • 相关文献

参考文献9

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二级参考文献45

  • 1王双坤,戴建平,马军,李少武,艾林,程华.磁共振弥散张量成像对弥漫性轴索损伤的研究[J].中国医学影像技术,2005,21(12):1799-1801. 被引量：25
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共引文献38

同被引文献94

  • 1张春燕,张云亭,张敬,李威.正常成人脑结构年龄相关性变化的扩散张量成像研究[J].中华放射学杂志,2006,40(1):22-28. 被引量：15
  • 2Li XY, Li J, Feng DF, et al. Diffuse axonal injury induced bysimultaneous moderate linear and angular head accelerations in rats[J].Neuroscience ,201 0,169(1): 357-369.
  • 3Upton ML,Gulko E.Zimmerman ME,et al.Diffusion-tensor imagingimplicates prefrontal axonal injury in executive function impairment followingvery mild traumatic brain injury[J].Radiology,2009,252(3);81 6-824.
  • 4Li J,Li XYtFeng DF’et al.Quantitative evaluation of microscopicinjury with diffusion tensor imaging in a rat model of diffuse axonalinjury[J].Eur J Neurosci,201 1 ,33(5):933-945.
  • 5Nolin P,Heroux L.Relations among sociodemographic,neurologic,clinical,and neuropsychologic variables,and vocational status following mildtraumatic brain injury;a follow-up study[J],J Head Trauma Rehabi!,2006,21(6):5J4-526.
  • 6Gulani V, Sundgren PC. Diffusion tensor magnetic resonanceimaging[J],J Neuroopthaimol,2006,26 (1).51-60.
  • 7Lo C.Shifteh K,Gold T,et al.Diffusion tensor imaging abnormalitiesin patients with mild traumatic brain injury and neurocognitive impairment[J].JComput Assist Tomogr,2009,33 (2).293-297.
  • 8Inglese M.Makani S, Johnson G,et al .Diffusion axonal injury in mildtraumatic brain injury .a diffusion tensor imaging study[J]. J Neurosurg,2005,103(2).298-303.
  • 9Akpinar E, Koroglu M, Ptak T, et al. Diffusion tensor MR imaging in pediatric head traima. J Comput Assist Tomogr,2007 ,31:657.
  • 10Lo C, Shifeh K, Gold T, et al, Diffusion axonal injury in mild trau- matic brain injury and nurocognitive impairment. J Comput Assist Tomogr,2009,33:293.

引证文献7

二级引证文献37

临床放射学杂志
2012年 第9期

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