11论著影像研究与医学应用2024年2月第8卷第3期多层螺旋CT用于术前胃癌T分期诊断的Meta分析孙谦（齐河县人民医院医学影像科山东德州251100）Meta-analysisofmulti-slicespiralCTinpreoperativeTstagingdiagnosisofgastriccancerSUNQianDepartmentofMedicalImaging,QiheCountyPeople'sHospital,Dezhou,Shandong251100,China【Abstract】ObjectiveToevaluatethediagnosticvalueofmulti-slicespiralCTinpreoperativeTstagingofgastriccancerbyMeta-analysis.MethodsComputersearchCNKI,Wanfang,VIP,PubMed,WebofScience,andotherdatabases,searchedfromJanuary2006toAugust2020.DiagnostictrialsofpreoperativeTstagingofgastriccancerusingmulti-slicespiralCTweresearched,andtheheterogeneitytestandqualityevaluationwereperformedontheliterature.Theeffectsizewascombinedandthereceiveroperatingcharacteristiccurvewasdrawnforcomprehensiveanalysis.ResultsAtotalof16literaturewasincludedforthestudy.ThecombinedsensitivityofspiralCTinthediagnosisofstageT1gastriccancerwas0.76(95%CI0.71-0.81),thespecificity0.96(95%CI0.95-0.97),andAUC0.93;thecombinedsensitivityinthediagnosisofstageT2gastriccancerwas0.71(95%CI0.67-0.75),specificity0.91(95%CI0.90-0.92),andAUC0.90;thecombinedsensitivityinthediagnosisofstageT3gastriccancerwas0.82(95%CI0.79-0.84),specificity0.86(95%CI0.84-0.87),andAUC0.91;thecombinedsensitivityinthediagnosisofstageT4gastriccancerwas0.85(95%CI0.82-0.88),specificity0.94(95%CI0.93-0.95),andAUC0.94.ConclusionMuti-slicespiralCTdemonstratedhighconsistencyinapplicationbetweenpreoperativeTstagingofgastriccancerandpathologicalstaging,andcanbeusedasaproperimageologicalexaminationmethodforpreoperativestagingofgastriccancer.【Keywords】SpiralCT;Gastriccancer;Stomachneoplasms;Staging;Meta-analysis【摘要】目的：使用Meta分析方法评价螺旋CT用于胃癌术前T分期的诊断价值。方法：计算机检索中国知网、万方、维普、PubMed、WebofScience等数据库，检索时间自2006年1月—2020年8月，搜集螺旋CT对胃癌术前T分期的诊断性试验。对文献进行异质性检验和质量评价，合并效应量，绘制受试者工作特征（ROC）曲线并进行综合分析。结果：最终纳入29篇文献，共计2424例研究对象。螺旋...
