乳腺x线摄影表现为“边缘清晰肿块”征象的乳腺专用磁共振的诊断价值

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1、万方数据泰山医学院硕士研究生论文THEUSEFULNESSoFDEDICATEDBR显ASTMRIINTHEDIAGNOSISANDDIFFERENTIALSTRATEGYFoRWELL—CIRCUMSC砒BEDMASSoNMAMMOGRAPⅡYGraduate：FengYongliMajor：RadiologyTutor：Pro．LiuLinxiangABSTRACTBackgroundTypicalbreastcanceris¨gh·derLsitymass谢t11spiculatedmarginonmammogr

2、aphy，suchaLsinvasiveductalcarcinoma，invasivelobularcarcinomaandductalcarcinomainsituWell—circumscribedmassismasswithmorethan75％ofmassclearandsharpmargin．Thesemassesmaybemalignantlesions，suchasearlyinvasiveductalcarcinoma,mucinouscarcinoma,metaplasticcarcinoma,pr

3、imarybreastlymphomaandmedullarycarcinoma；butitmayalsobebenignlesions，suchasfibroadenomas，benignphyllodestumor，breastadenosis，fibrocysticchangesandfatnecrosis．AccordingtoBreastImagingReportingandDataSystem(BI—RADS)一Mammography，thesemassescanbeclassifiedasBI—RADS3

4、orCategory4．Itisdifficulttodistinguishbenign、丽thmalignantsuchlesionsbaseonbreastX—Mammographyandultrasonography．DB—MRIscansequenceisasinglesequence，whichfeaturestraditionalT1WI，butcysticcomponentshowedhighsignal．Itwouldbeelaborationtobeabletodividethemassesintos

5、olidnlassesandsolid—cysticmassesonthebasisofMRIfeaturesintopartsforanalysis．ObjectiveToinvestigatethefeaturesofdynamiccontrast—enhancementdedicatedbreastM刚(DB—M_rU)forthedifferentiationofmalignantfrombenignlesionswhichweredetectasWell—circumscribedMassonmammogra

6、phy．T1lisstudyistoprovideradiologyevidenceforearlytreatmentofbreastcancer．MaterialsandMethodsTotheexaminationsof264patientswhichperformedWell—circumscribedMassonMammographyandwerecheckedbydedicatedbreastMRIinJanuary2010toNovember2013，DepartmentofRadiology,Ruijin

7、Hospital．Well—circumscribedmassreferstopartorallsharpedges．Allcasespa廿lolo西calfindingswereconfirmedbypathology．4万方数据泰山医学院硕士研究生论文RetrospectiveanalysisofbreastMammography，Well—circumscribedmasswereperformedbydedicatedbreastimagingMR，clinicalexamination，surgicaland

8、pathologicaldata,thetwopansofsuchsignsofsolidmassesandsolid—cysticmasseswerestudiedtoexplore．PathologicaldiagnosisofbreastCRB．e￡rbasedOnWHOclaSsificafion(2003)standar