MRCP结合T2WI-MRI对胆道结石及其肿瘤的影像诊断

The Imaging Diagnosis to Bile Duct Stone and Mass by MRCP Combined With T2WI-MRI

目的比较磁共振胰胆管水成像(MRCP)结合T2加权磁共振成像(T2WI-MRI)和超声检查对胆道结石及其肿瘤的影像诊断正确率。方法收集151例胆道结石及肿瘤患者的MRCP结合T2WI-MRI和超声检查资料,并全部对比手术及病理资料,对比上、中、下三段两类病种的诊断正确率,并对进行两种不同方法的良恶性梗阻接受者操作特性曲线(ROC)对比分析。结果两种方法对上、中段结石和肿瘤的检查正确率相仿,但是对下段结石和肿瘤的正确率MRCP结合T2WI-MRI优于超声检查。对梗阻的良、恶性鉴别,MRCP结合T2WI-MRI优于超声检查。结论对于胆道结石及肿瘤的影像诊断MRCP结合T2WI-MRI优于超声检查。

Objective To investigate the imaging diagnosis comparison between Magnetic Resonance Cholangiopan-creatography（ MRCP） combined with T2 weighted image- magnetic resonance imaging （T2WI -MR1 ）and the ultrasound examination for bile duct stone and mass. Methods We retrospectively collect 151 cases of MRCP,T2WI - MRI and the ultrasound examination imaging for bile stone and mass,all having the operation and pathology record. We divide these two kinds of disease into the upper/middle/lower segment team, and compare the correction ratio. At the same time, we make operating characteristic curve （ROC） analysis to the malign and benign mass. Results The MRI and ultrasound have the same correction ratio for the upper segment team. As for the lower segment team, MRI is superior than ultrasound, so as to the comparison of malign and benign mass diagnosis. Conclusion During the imaging diagnosis of bile stone and mass, we find that the T2WI - MRI combined with MRCP is superior than ultrasound examination.