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目的：探讨CT和磁共振胰胆管水成像(MRCP)在胆石症临床诊断中的应用价值。方法随机抽取74例于2012年1月~2014年12月入院治疗的胆石症病患者进行研究，并随机根据诊断方法分成对照组(CT扫描)和观察组(MRCP)，各37例。观察两种诊断方法的结果。结果对照组分别有13例(72.22%)和21例(75%)诊断出胆囊结石和胆管结石；观察组分别有18例(94.74%)和26例(96.3%)诊断出胆囊结石和胆管结石。两组的结石检出率比较，对照组较低，差异显著，均具有统计学意义(<0.05)。结论在胆石症的临床诊断中，CT扫描诊断和MRCP诊断都具有很好的应用价值，但是CT扫描诊断的准确率低于MRCP。“,”Objective To investigate the clinical value of CT and magnetic resonance imaging of the bile duct in the diagnosis of gallstones. Methods randomly selected 74 cases to the study of the 2012 Jan uary in December hospitalized patients with cholelithiasis and random according to the diagnostic method into control group(CT scan)and observation group(magnetic resonance cholangiopancreatography),37 cases in each.The results of two diagnostic methods were observed..Results In the control group there were 13 cases(72.22%)and 21 cases(75%)in the diagnosis of gallbladder stones and common bile duct stones;observation group were 18 cases (94.74%)and 26 cases (96.3%)diagnosed with gallbladder stones and common bile duct stones.The detection rate of stone in the two groups,the control group was lower,the difference was statistically significant ( <0.05).Conclusion In the clinical diagnosis of cholelithiasis,diagnosed by CT scan and magnetic resonance cholangiopancreatography diagnosis has good application value,but the accuracy of CT scanning in the diagnosis of lower than magnetic resonance cholangiopancreatography(MRCP).