目的 探讨磁共振胰胆管成像(MR cholangiopancreatography,MRCP)结合最大强度投影(maximum intensi-ty projection,MIP)及T2WI扫描资料,对胆系结石的诊断价值。方法 回顾分析212例胆系结石患者的3D MRCP、MIP图像及T2WI扫描资料,通过与手术、病理结果比较,分析并对比三类图像及3种方法结合对胆系结石的诊断符合率。结果 3D MRCP原始图像诊断结石180例,诊断符合率84.91%;MIP图像诊断结石175例,诊断符合率82.55%;轴位T2WI诊断结石169例,诊断符合率79.72%。三者联合诊断结石193例,诊断符合率91.04%。3种方法联合的诊断符合率,高于单用一种方法的诊断符合率,差异有统计学意义(P<0.05)。结论 MRCP结合MIP及T2WI扫描资料,可提高胆系结石的诊断率。
Abstract
Objective To evaluate the combined value of MR cholangiopancreatography (MRCP) maximum intensity projection (MIP) and T2WI in the diagnosis of biliary stones. Methods 3D MRCP、 MIP and T2WI were performed in 212 patients.Retrospective results of 212 cases were compared with operation and pathology to analyse their diagnostic rate. Results Original images of 3D MRCP revealed 180 cases of biliary stones,display rate 84.91%. MIP revealed 175 cases of biliary stones,display rate 82.55%.Axial T2WI revealed 169 cases of biliary stones,display rate 79.72% .Combination of three methods revealed 193 cases of biliary stones,display rate 91.04%. Conclusions MRCP combined with MRI can improve the diognostic rate of biliary stones.
关键词
磁共振胰胆管成像 /
胆石病
Key words
MR cholangiopancreatography /
cholelithiasis
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