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时间:2017-12-08
《正常乳腺不同月经周期表观扩散系数的变化分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、山东医药2010年第5O卷第正常乳腺不同月经周期表观扩散系数的变化分析朱萍.一,王亚非,刘琴芳,梁长生,黄昊(1江苏大学医学院,江苏镇江212002;2江苏大学附属人民医院)摘要:目的分析不同类型正常乳腺不同月经周期表观扩散系数的差异,为乳腺疾病的诊断提供依据。方法55例20—49岁月经正常妇女,于晚卵泡期、黄体晚期行磁共振平扫及扩散加权成像(DWI)检查未发现乳腺疾患,根据Wolf分型,致密型16例,分叶串珠型39例,扩散敏感因子b取0、1000a/mm,测量双乳乳头层面腺体平均ADC值。结果双乳晚卵泡期ADC值明显低于黄体晚期(t=一5.126、一5.896,P<0.01);晚卵泡
2、期致密型腺体ADC值明显高于分叶串珠型腺体(t=2.186、2.495,P<0.05),黄体晚期致密型腺体ADC值与分叶串珠型差异无统计学意义(t=2.003、1.856,P>0.05)。结论乳腺腺体ADC值晚卵泡期降低明显,致密型腺体ADC值受月经周期影响较分叶串珠型腺体小。关键词:乳腺;磁共振;表观扩散系数中图分类号:R655.7文献标志码:A文章编号:1002-266X(2010)31-0032-03AnalysisofapparentdifusioncoeficientchangesinnormalbreastglandsduringdiferentmenstruaIcycle
3、sZHUPingI,WANGYa-Tel,HUQin-fang,LIANGChang—sheng,HUANGHao(1MedicalCollegeofJiangsuUnivesity,Zh.njiang212002,P.R.China)Abstract:ObjeetiveToanalysethediferencesofapparentdifusioncoefeient(ADC)indiferentkindsofnormalbreastglandsduringdiferentmenstrualcycles,andtoprovidethediagnosticproofofbreastdis
4、eases.MethodsFifty-fivecasesofwomenaged20~49,hadnormalmenstruationwcreexaminedinlaterfollicularphaseandlatercorpusluteumphase,respectivelybyMRplainSCanandMRdifusionweighedimaging(DWI),andnobreastdiseasewasfound.Wolftyp·ingshoweddenseformin16casesandsublobe—hiaquaformin39cases.Theaveragemammarygl
5、andADCvaluesweremeasuredatthebilateralnipplelevelwhenbvalueWasgivenfrom1000to0s/mm.ResultsTheADCvalueofbilateralmammaryglandinlaterfollicularphaseWasmarkedlylowerthanthatinthelatercorpusluteumphase(P<0.01),inwhichADCvalueofthedenseformmammaryglandwasobviouslyhigherthanthatofthesublobe—hiaquaform
6、mammaryglandf尸<0.05),ThediferencebetweentheADCvaluesofdenseformmammaryglandandthesublobe-hiaquaformmammaryglandinlatercorpusluteumphasehadnostatisticalsignificance.ConclusionTheADCvaluesofmammaryglanddeerea-sessignifieandyinlaterfollicularphase.Comparingwiththesublobe—hiaquaformmammarygland,theA
7、DCvalueofdenseformmammaryglandislessinfluencedbythemenstruationcycle.Keywords:mammarygland;magneticresonanceima6ng;apparentdifusioncoeficient高分辨力的磁共振检查可以清晰显示正常乳腺为乳腺疾病的诊断提供依据。与疾病乳腺的解剖和细致结构。随着磁共振技术的1资料与方法飞速发展及扩散加权成像(DWI)广泛的应用,
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