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时间:2020-05-04
《CT增强与Gd—EOB—DTPA MR增强扫描对肝细胞肝癌诊断价值的对比分析-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、实用放射学杂志2O13年12月第29卷第12期JPractRadiol,Dec.2013,Vo1.29,No.12·1953·CT增强与Gd—EOB—DTPAMR增强扫描对肝细胞肝癌诊断价值的对比分析柴超,范文骏,夏爽,季倩,沈文。(1天津医科大学一中心临床学院放射科,天津300192;2天津市第一中心医院放射科)摘要:目的回顾性对比分析CT增强及Gd—EOB-DTPAMR增强扫描对肝细胞肝癌(HCC)的诊断价值。方法临床疑诊为HCC的患者47例共94个病灶纳入本研究,其中26例共63个病灶经病理、临床或随访证实为HCC。所有患者均行CT增强及Gd—EOB-DTPAMR增强检查,3位观察者分
2、别对CT及MR增强、MR增强(含肝胆期)图像进行独立分析诊断。采用替代自由响应受试者操作工作特性(alternativefree—responsereceiveroperatingcharacteristic,AFROc)曲线对3种检查方法诊断结果的准确性(曲线下面积,AUC)进行分析。同时,计算3种检查方法诊断结果的灵敏度及阳性预测值,并采用McNemar检验对其进行对比分析。结果3位观察者的观测结果均显示,CT与MR增强检查对所有病灶诊断的AUC均小于MR增强(含肝胆期)检查(P<0.05);MR增强(含肝胆期)检查诊断HCC的灵敏度高于CT增强检查(P3、其中1位观察者的结果显示,MR增强(含肝胆期)诊断HCC的灵敏度高于CT及MR增强检查(P<0.05)。结论与CT和MR增强检查相比,Gd—E0DTPAMR增强检查能明显提高对HCC诊断的准确性及灵敏度,尤其对于直径≤1cm的病灶。关键词:肝细胞肝癌;对比剂;计算机体层成像;磁共振成像DoI:10.3969/j.issn.1002—1671.2013.12.013中图分类号:R735.7;R814.42;R445.2文献标志码:A文章编号:1002—167l(2O13)12—1953—07ComparisonofmultiphasicCTandGd—EOB—DTPAenhancedMRIin4、diagnosinghepatOceUularcarcinomaCHAIChao.FANWenjun.XIAShuang。JIQian。SHENWen(DepartmentofRadiology。TianjinMedicalUniversityFirstCenterHospital,Tianjin300192,China)Abstract:ObjectiveToretrospectivelycomparethediagnosticvalueofmultiphasicenhancedCTwithGd—E0DTPAenhancedMRIindetectionofhepatocellularcar5、cinoma(HCC).MethodsAtotalof47patientswith94lesionssuspectedHCCswereincludedinthisstudy,26ofwhomwith63lesionswereconfirmedasHCCsbypathology,clinicalcomprehensiveanalysisorfollow—up.AllpatientsunderwentbothmultiphasicenhancedCTandGd~EOB-DTPAenhancedMRexaminations.Threeobserversindependentlyanalyzedth6、eimagesincludingenhancedCTimages,dynamicenhancedandGd—EOB-DTPAenhancedMRIrespectivelyandmadethediagnosis.Thealternativefree-responsereceiveroperatingcharacteristic(AFROC)methodwasusedtoanalyzethediagnosticaccu—racy(areaundercurve,AUC)ofthreeprotocols.Meanwhile,sensitivityandpositivepredictivevalues7、werecalculatedandcomparedbyusingMcNemartest.ResultsTheresultsofthreeobserversshowedthattheAUCofbothmultiphasicenhancedCTanddynamicenhancedMR1weresignificantlylowerthanthatofcombinedinterpretationofdynamican
3、其中1位观察者的结果显示,MR增强(含肝胆期)诊断HCC的灵敏度高于CT及MR增强检查(P<0.05)。结论与CT和MR增强检查相比,Gd—E0DTPAMR增强检查能明显提高对HCC诊断的准确性及灵敏度,尤其对于直径≤1cm的病灶。关键词:肝细胞肝癌;对比剂;计算机体层成像;磁共振成像DoI:10.3969/j.issn.1002—1671.2013.12.013中图分类号:R735.7;R814.42;R445.2文献标志码:A文章编号:1002—167l(2O13)12—1953—07ComparisonofmultiphasicCTandGd—EOB—DTPAenhancedMRIin
4、diagnosinghepatOceUularcarcinomaCHAIChao.FANWenjun.XIAShuang。JIQian。SHENWen(DepartmentofRadiology。TianjinMedicalUniversityFirstCenterHospital,Tianjin300192,China)Abstract:ObjectiveToretrospectivelycomparethediagnosticvalueofmultiphasicenhancedCTwithGd—E0DTPAenhancedMRIindetectionofhepatocellularcar
5、cinoma(HCC).MethodsAtotalof47patientswith94lesionssuspectedHCCswereincludedinthisstudy,26ofwhomwith63lesionswereconfirmedasHCCsbypathology,clinicalcomprehensiveanalysisorfollow—up.AllpatientsunderwentbothmultiphasicenhancedCTandGd~EOB-DTPAenhancedMRexaminations.Threeobserversindependentlyanalyzedth
6、eimagesincludingenhancedCTimages,dynamicenhancedandGd—EOB-DTPAenhancedMRIrespectivelyandmadethediagnosis.Thealternativefree-responsereceiveroperatingcharacteristic(AFROC)methodwasusedtoanalyzethediagnosticaccu—racy(areaundercurve,AUC)ofthreeprotocols.Meanwhile,sensitivityandpositivepredictivevalues
7、werecalculatedandcomparedbyusingMcNemartest.ResultsTheresultsofthreeobserversshowedthattheAUCofbothmultiphasicenhancedCTanddynamicenhancedMR1weresignificantlylowerthanthatofcombinedinterpretationofdynamican
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