肝脏孤立性结节病变的多层CT与磁共振成像对照研究  

Comparison of multi-slice CT and MRI for liver isolation nodular lesions in cirrhosis patients

作　　者：丁怀银[1] 朱西琪[1] 许传军[1] 刘杜先[2] 

机构地区：[1]东南大学附属第二医院放射科,南京210003 [2]东南大学附属第二医院病理科,南京210003

出　　处：《重庆医学》2014年第8期903-906,共4页Chongqing medicine

基　　金：南京市医学科技发展资金资助项目(YKK11083)

摘　　要：目的探讨多层CT(MSCT)、磁共振成像(MRI)在肝硬化背景下肝脏孤立性结节性病变诊断中的诊断效能差异。方法对有肝硬化背景的64例患者(64个孤立性病灶)分别行MSCT和MRI增强检查,并对其诊断结果进行分析。结果MSCT和MRI的检出率、准确度、灵敏度、特异度、阳性预测值和阴性预测值分别为76.56%、65.31%、37.50%、78.79%、72.22%、46.15%和87.50%、85.71%、66.67%、97.14%、82.93%、93.33%,MRI的诊断准确度、特异度、阳性预测值与MSCT相比差异有统计学意义(P<0.05)。结论 MRI对肝硬化背景下肝脏局灶性病变的诊断准确度、特异度和阳性预测值优于MSCT。Objective To compare the efficacy of MRI and multi-slice CT（MSCT） for characterization of liver isolation nodular lesions in cirrhosis patients .Methods A total of 64 patients with 64 lesions ,underwent MSCT and MRI .Chi-square tests were used to compare the performances of MSCT and MRI in characterization of lesions .Results The detection rate ,accuracy ,sensitivity ,spe-cificity ,positive predictive and negative predictie of MSCT and MRI were 76 .56% ,65 .31% ,37 .50% ,78 .79% ,72 .22% ,46 .15%and 87 .50% ,85 .71% ,66 .67% ,97 .14% ,82 .93% ,93 .33% respectively .There were statistical difference in accuracy ,specificity , positie predictie between MSCT and MRI （P＆lt; 0 .05） .Conclusion MRI is superior to MSCT in accuracy ,specificity ,and positive predictive for characterization of liver isolation noduler lesions .

关 键 词：肝硬化 体层摄影术 磁共振成像 肝脏孤立性结节 

分 类 号：R816.5[医药卫生—放射医学] R445.2[医药卫生—临床医学] R575.2