88·中国CT和MRI杂志2023年02月第21卷第02期总第160期【第一作者】韩宝勤，女，硕士研究生在读，主要研究方向：乳腺磁共振影像诊断。E-mail：348985005@qq.com【通讯作者】邓克学，男，主任医师，主要研究方向：医学影像。E-mail：dengkexue-anhui@163.com论著DiagnosisValueofADC,eADCandrADConBenignandMalignantBreastTumorsinTICTypeⅡ,BI-RADS4*HANBao-qin1,YANGLi-ping2,DINGCai-yun1,DENGKe-xue1,*.1.WannanMedicalCollege,Wuhu241000,AnhuiProvince,China2.DepartmentofImaging,TheFirstAffiliatedHospitalofUniversityofScienceandTechnologyofChina,Hefei230000,AnhuiProvince,ChinaABSTRACTObjectiveToinvestigatethediagnosisvalueoftheapparentdiffusioncoefficient(ADC)、exponentialapparentdiffusioncoefficient(eADC)andtherelativeapparentdiffusioncoefficient(rADC)inthedifferentiationbetweenbenignandmalignantbreasttumorsasTICtypeⅡ、BI-RADS4indiffusionweightedimaging(DWI).MethodsAretrospectiveanalysisof74casesofbreasttumorsdiagnosedofTICtypeⅡandBI-RADS4byMRIinourhospitalwasretrospectivelyanalyzed,andtheADC,eADCandrADCvaluesofthelesionswerecalculated.Thereceiveroperatingcharacteristiccurve(ROC)wasusedtoanalyzethedifferentialdiagnosispowerofeachparameterforbenignandmalignantlesions.ResultsADC,eADCandrADCvaluesweresignificantlydifferentbetweenthebenignandmalignantbreastlesiongroups(P<0.05).ADC,eADC,rADC1andrADC2valuedifferentialdiagnosisAUCofbenignandmalignantlesionsare0.916,0.915,0.759,0.769；With1.22,0.354,0.636,and0.617asthebestdiagnosticthresholdsforADC,eADC,rADC1andrADC2,thesensitivityofthediagnosisis88.4%,97.7%,69.8%,51.2%,andthespecificityis87.1%,74.2%,74.2%,93.5%.ConclusionThequantitativeanalysisofADC,eADCandrADCisaneffectivemethodfordifferentialdiagnosisofthebenignandmalignantbreasttumorsofTICtypeⅡandBI-RADS4.Keywords:BreastTumor;DiffusionWeightedImaging;ApparentDiffusionCoefficient;ExponentialApparentDiffusionCoefficient乳腺癌已成为女性最常见的恶性肿瘤之一，近年来发病率位居城乡女性首位，且呈逐年上升趋势，严重影响着女性的身心健康[1]。目前常用的乳腺影像检查方法包括钼靶、超声和磁共振，这三种检查方法...
