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中场磁共振膝关节软骨成像

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摘要 目的探讨3D-FFE-SPIR序列对膝关节软骨病变的诊断价值。方法收集23例膝关节MR检查病例,用0.5 T超导磁共振仪,行膝关节矢状面扫描。采用SE-T1WI、SE-T2WI及3D-FFE-SPIR扫描序列。结果23例病例中,SE序列发现26处病灶,其中1级、2级8处,3级、4级18处,3D-FFE-SPIR序列发现35处病灶,其中1级、2级17处,3级、4级18处。3D-FFE-SPIR序列同SE序列比较,发现关节软骨病变具有优势(χ2=6.09,P<0.05),特别是1级、2级关节软骨早期病变的显示,3D-FFE-SPIR序列具有明显优势(χ2=26.01,P<0.01)。结论中场强MRI可以对膝关节软骨病变作出准确诊断。3D-FFE-SPIR序列应作为膝关节软骨病变的常规和首选序列,特别对早期病变的诊断应用价值更大。
出处 《中国厂矿医学》 2007年第4期405-406,共2页 Chinese Medicine of Factory and Mine
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