超声弹性成像在乳腺bi-rads4级病变中的应用价值

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1、·886·JShanxiMedUniv．Nov2013，Vol44No1l超声弹性成像在乳腺BI—RADS4级病变中的应用价值马娜，戴维德，任俊红，孙由静，韩秀婕(北京医院超声科，北京100730；通讯作者，E-mail：Hxiujie2000@ya．hoo．corn．cn)摘要：目的探讨超声弹性成像对乳腺BI．RADS4级病变良恶性鉴别的应用价值。方法对乳腺65个常规超声BI—RADS4级评分病灶，以术后病理结果为金标准，分析超声弹性图评分、弹性指数及病灶与同深度腺体组织的弹性比值对其良恶性鉴别诊断的应用价值

2、，并构建弹性比值受试者工作特征曲线。结果65个病灶(良性17个，恶性48个)中超声弹性图评分对BI—RADS4级病变良恶性鉴别诊断的敏感性、特异性和准确性分别为81．3％、70．6％和78．5％。良恶性病灶弹性比值差异有统计学意义(P<0．05)。应用弹性比值鉴别BI—RADS4级乳腺病灶良恶性的曲线下面积为0．753，当弹性比值诊断界值取2．7时，其敏感性66．7％，特异性77．8％。结论超声弹性成像对BI—RADS4级病变良恶性鉴别有较高应用价值。关键词：超声检查；弹性成像；乳腺病变中图分类号：R445文献

3、标志码：A文章编号：1007—6611(2013)11—0886—03DOI：10．3969／J．ISSN．1007—6611．2013．11．015ValueofultrasonicelastographyindifferentiatingbenignandmalignantBI-RADS4breastlesionsMANa，DAIWeide，RENJunhong，SUNYoujing，HANXi~ie(DepartmentofUltrasound，BeijingHospital，Beijing100730，

4、China；Correspondingauthor，E—mail：Hxiujie2000@yahoo．corn．on)Abstract：0ctiveToassessthevalueofultrasonicelastographyindifferentiallydiagnosingbenignandmalignantBI—RADS4breastlesions．MethodsUltrasonicelastographywasperformedin65BI—RADS4breastlesions，whichweredi

5、agnosedbyconvention—alultrasound．Pathologyofthelesionsafteroperationwasconsideredasthegoldenstandard．Elastogramscoringwasanalyzed，andelas·ticindexandelasticratiooflesionatthesamedepthwerecalculated．Thediagnosticvalueofelasticratiofordiferentialdiagnosisofben

6、ignandmalignantlesionswasevaluatedbyreceiveroperatingcharacteristiccurve．ResultsPathologicalexaminationrevealed17benignand48malignantlesions．Thesensitivity，specificityandaccuracyofelastogramscoringforbenignandmalignantBI-RADS4le—sionswere81．3％，70．6％and78．5％，

7、respectively．TheelasticratiooflesionsWassignificantlydifferentbetweenbenignandmalig—nantlesions(P<0．05)．Areaunderthecurveofelasticratiodiagnosingbenignandmalignantbreastlesionswas0．753．Ifthecut-ofpointofelasticratiowas2．7，thesensitivityindifferentiatingbreas

8、tlesionsWas66．7％，whilethespecificitywas77．8％．ConclusionUltrasonicelastographyisavaluablemethodfordifferentiatingbenignandmalignantBI-·RADS4breastlesionsdiagnosedbyconven-·tionalultrasound．Keywor