医学影像学杂志2024年第34卷第3期JMedImagingVol.34No.32024浸润性乳腺癌患者非肿块强化和肿块强化的动态增强MRI特征分析程世德1,吴海峰1,钱超鹏1,潘鑫1,赵红21.安徽省黄山首康医院医学影像科安徽黄山245400;2.安徽医科大学第二附属医院放射科安徽合肥230601【摘要】目的探讨分析动态增强MRI特征为非肿块强化和肿块强化的浸润性乳腺癌患者影像特征。方法选取浸润性乳腺癌患者55例,行乳腺动态增强MRI检查显示为非肿块强化和肿块强化患者,分别作为观察组和对照组均经手术或病理活检证实,评估两组表观扩散系数(ADC)值、早期强化率、肿块边界清晰、增强平台类型,病灶大小、雌激素受体(ER)、人表皮生长因子受体-2(HER-2)阳性、T分期、N分期结果。结果观察组表观扩散系数(ADC)值为(1.29±0.20)×10-3mm2/s,高于对照组(0.89±0.18)×10-3mm2/s,差异具有统计学意义(P<0.05),观察组肿块边界不清晰发生率为80.52%,高于对照组20.59%,差异具有统计学意义(P<0.05),观察组病灶体积为(25.50±4.21)cm3,高于对照组(16.65±3.92)cm3,差异具有统计学意义(P<0.05),观察组HER-2阳性率为76.19%,高于对照组26.47%,两组T分期、N分期比较,差异具有统计学意义(P<0.05)。结论对非肿块强化和肿块强化浸润性乳腺癌患者,动态增强MRI通过多参数、多方位成像进行鉴别,非肿块强化病灶ADC值、边界不清晰发生率及ER、HER-2阳性率表现为增高。【关键词】浸润性乳腺癌;肿块;非肿块;磁共振成像中图分类号:R737.9;R445.2文献标识码:A文章编号:1006-9011(2024)03-0053-04Analysisdynamiccontrast-enhancedMRIfeaturesofnon-tumor-enhancedandtumor-enhancedinvasivebreastcancerCHENGShide1,WUHaifeng1,QIANChaopeng1,PANXin1,ZHAOHong21.DepartmentofMedicalImaging,MountHuangshanShoukangHospital,Huangshan245400,China2.DepartmentofRadiology,TheSecondAffiliatedHospitalofAnhuiMedicalUniversity,Hefei230601,China【Abstract】ObjectiveFortheinvasivebreastcancerpatientswithnon-massenhancementandmassenhancementwithDy‐namicenhancedMRI,toanalyzetheclinicalandimagingfeaturessoastoprovideevidenceforclinicaldiagnosisandtreatment.Methods55patientswithinvasivebreastcancerbydynamicenhancedMRIwereselectedfromJanuaryin2019toNovemberin2023,theywereselectedasstudygroupandcontrolgroup,w...