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扩散张量成像在骨性关节炎评估中的作用 被引量:7

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摘要 目的:探讨骨性关节炎膝关节软骨的磁共振扩散特征。方法:对20例正常和54例骨性关节炎的膝关节行PDWI与扩散张量成像(diffusion tensor imaging,DTI),测量膝关节软骨各向异性分数(fractional anisotropy,FA)及表观弥散系数(apparent diffusion coefficient,ADC)值,并进行比较。结果:膝关节软骨FA值在正常组、骨性关节炎各组间均有显著差异(P=0.000);ADC值仅重度组与轻度组有显著差异(P=0.001),余各组间无差异;关节软骨各部位的FA值未见显著差异(P=0.228);而ADC值具有显著差异(P=0.000),其中股骨髌面具有最高值,内侧髁具有最低值。结论:DTI是一种定量化反应骨性关节炎严重程度的技术。
出处 《实用医学杂志》 CAS 北大核心 2014年第8期1283-1285,共3页 The Journal of Practical Medicine
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参考文献10

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二级参考文献5

共引文献17

同被引文献58

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