MRI与多层螺旋CT在坐骨股骨撞击综合征诊断中的应用比较-现代医学

MRI与多层螺旋CT在坐骨股骨撞击综合征诊断中的应用比较

单位：河北省沧州中西医结合医院, 河北沧州 061000

分类号：R681;R445.2;R814.42

出版年·卷·期（页码）：2019·47·第六期（687-692）

摘要：

目的：对比磁共振成像（MRI）与多层螺旋CT在坐骨股骨撞击综合征诊断中的应用效果。方法：回顾性分析2013年至2017年于本院经手术确诊的41例坐骨股骨撞击综合征患者的临床及影像学资料，术前均行髋关节常规多层螺旋CT及MRI检查，检测并比较坐骨股骨间隙（IFS）和股方肌间隙（QFS），对比两种检查方式检出率，应用受试者作业特征曲线（ROC）分析IFS与QFS在不同检查中的诊断价值，并观察影像学检测结果。结果：MRI检出率为95.12%，显著高于多层螺旋CT的检出率75.61%（P<0.05）；MRI与多层螺旋CT检测IFS和QFS差异无统计学意义（P>0.05），患侧IFS和QFS值均显著低于健侧（P<0.05）；ROC曲线显示，在MRI和多层螺旋CT中IFS诊断价值均较QFS高，其中MRI诊断坐骨股骨撞击综合征患者的IFS和QFS最佳界限值分别为12.22 mm和8.04 mm，多层螺旋CT诊断患者的IFS和QFS最佳界限值分别为13.31 mm和8.63 mm。结论：在坐骨股骨撞击综合征诊断中MRI检出率较多层螺旋CT高，其中IFS和QFS具有较高诊断价值，为临床诊断提供有效影像学指导。

Objective:To compare the effects of magnetic resonance imaging (MRI) and multi-slice spiral CT in the diagnosis of ischiofemoral impingement syndrome. Methods:The clinical and imaging data of41 patients with ischiofemoral impingement syndrome diagnosed surgically in our hospital from 2013 to 2017 were retrospectively analyzed, the hip joint was examined by conventional multi-slice spiral CT and MRI before operation, the ischium femoral space (IFS) and quadratus femoris space (QFS) were detected and compared, the detection rate of the two groups was compared, receiver operating characteristic curve (ROC) was used to analyze the diagnostic values of IFS and QFS in different examinations, imaging findings were also observed. Results:The detection rate of MRI was 95.12%, which was significantly higher than 75.61% of multi-slice spiral CT(P<0.05); there was no significant difference in the detection of IFS and QFS between MRI and multi-slice spiral CT(P>0.05), the values of IFS and QFS in the affected side were significantly lower than those in the healthy side (P<0.05); the ROC curve showed that the diagnostic value of IFS in MRI and multi-slice spiral CT was higher thanQFS, the optimal limits of IFS and QFS for the diagnosis of ischiofemoral impingement syndrome by MRI were 12.22 mm and 8.04 mm, respectively, the optimal limits of IFS and QFS for the diagnosis of multi-slice spiral CT were 13.31 mm and 8.63 mm, respectively. Conclusion:In the diagnosis of sciatic femur impingement syndrome, the detection rate of MRI is higher than that of multi-slice spiral CT, IFS and QFS have high diagnostic value, can provide effective imaging guidance for clinical diagnosis.

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