MR多回波回复梯度回波序列在骶髂关节软骨成像中的应用

Chinese Journal of Medical Imaging Technology(2016)

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Abstract
目的 探讨MR多回波回复梯度回波(MERGE)序列在骶髂关节(SIJ)软骨成像中的应用价值.方法 对30名健康志愿者SIJ软骨行MERGE、三维扰相梯度回波(3D-FSPGR)、质子密度加权成像脂肪抑制(PDWI-FS)、T2WI脂肪抑制(T2WI-FS)和T1WI脂肪抑制(T1WI-FS)序列成像,比较MERGE序列与其他各序列图像显示SIJ软骨的图像评分和SNR、CNR.结果 MERGE序列显示SIJ软骨的图像评分、CNR和SNR与3D-FSPGR序列比较差异均无统计学意义(P均>0.05),与PDWI-FS、T2WI-FS、T1WI-FS序列比较差异有统计学意义(P均<0.001).结论 MERGE序列显示SIJ软骨的图像质量较高.
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Key words
Magnetic resonance imaging,Sacroiliac joint,Cartilage,Healthy volunteers
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