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ADC值、FA值与颈椎间盘退变程度的相关性研究

Journal of Clinical Radiology(2014)

Cited 23|Views0
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Abstract
目的 探讨磁共振扩散张量成像(DTI)表观扩散系数(ADC)、各向异性分数(FA)定量评估颈椎间盘退变程度的价值.方法 随机选取61例颈肩部、上肢不适者行常规MRI、矢状位DTI.测量各颈椎间盘髓核ADC值、FA值,行Miyazaki颈椎间盘退变评级,观察椎间盘形态,分析不同退变分级、不同形态椎间盘与ADC值、FA值的相关性,比较ADC值与FA值的诊断价值.结果 ADC值、FA值与Miyazaki分级具有相关性(r=-0.557,P<0.05;r=0.498,P<0.05);突出比无膨出/突出椎间盘的ADC值低,FA值高(P <0.05);ADC值的敏感性、特异性比FA值高.结论 ADC值、FA值能够定量评估颈椎间盘的退变程度,且ADC值比FA值诊断价值高.
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Key words
Vertebrae Detection,Diffusion MRI,Computer-Aided Diagnosis
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