CT体积测量在结肠癌术前分期评估中的应用价值郑永飞,汪晟,郑海澜,黄丹江浙江省台州市第一人民医院放射科浙江台州318020【摘要】目的探讨CT体积测量在结肠癌术前分期评估中的应用价值。方法选取经病理证实的108例结肠癌患者CT资料,测量静脉期肿瘤体积,评估结肠癌体积和相应TNM分期的相关性。绘制ROC曲线计算曲线下面积(AUC),并与CT主观评价分期相比较,分析结肠癌CT体积测量区分不同TNM分期的诊断效能。结果结肠癌CT体积与相应的T、N、M分期呈正相关。分析ROC曲线,CT体积测量区分≤T2和≥T3期、≤T3和T4期的AUC(0.956、0.892)、特异度(0.818、0.982)高于CT主观评价分期(AUC:0.698、0.733,特异度:0.455、0.655);CT体积测量区分N0和≥N1期的AUC(0.862)、灵敏度(0.857)高于CT主观评价分期(AUC:0.755、灵敏度:0.571)。CT体积测量区分M0和M1期的灵敏度(0.833)高于CT主观评价分期(0.750)。结论CT体积测量对结肠癌术前分期评估有重要应用价值,有利于指导临床选择个体化的治疗方案。【关键词】结肠癌;体层摄影术,X线计算机;分期;肿瘤体积中图分类号:R735.3;R814.42文献标识码:A文章编号:1006-9011(2023)04-0610-04TheapplicationvalueofCTvolumetryinpreoperativestagingofcoloncancerZHENGYongfei,WANGSheng,ZHENGHailan,HUANGDanjiangDepartmentofRadiology,TheFirstPeople'sHospitalofTaizhou,Taizhou318020,China【Abstract】ObjectiveToanalyzetheapplicationvalueofCTvolumetryinpreoperativestagingofcoloncancer.MethodsCTdataof108casesofcoloncancerprovenpathologicallywerecollectedandanalyzed.Thetumorvolumewascalculatedinthevenousphase,andthecorrelationbetweentheresultsandTNMstagingwasevaluated.ROCcurvewasdrawnandtheareaundertheROCcurve(AUC)wascalculetedtogetthediagnosticvalueofCTvolumetryforcoloncancertodifferentiateT,NandMstaging.ThediagnosticvalueofCTvolumetryandsubjectiveCTstagewerecompared.ResultsCTvolumeofcoloncancerwaspositivelycorrelatedwithTNMstage.ByanalyzingROCcurve,AUC(0.956,0.892)andspecificity(0.818,0.982)ofCTvolumetrytodifferentebetweenstage≤T2andstage≥T3,stage≤T3andstageT4werehigherthanthoseofsubjectiveCTstage(AUC:0.698,0.733.specificity:0.455,0.655).AboutdifferentiatingbetweenstageN0andstage≥...