dwi對(duì)腦出血的診斷及鑒別診斷

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1、萬(wàn)方數(shù)據(jù)實(shí)用放射學(xué)雜志2014年9月第30卷第9期JPractRadi01，Sep．2014，V01．30，No．9DWI對(duì)腦出血的診斷及鑒別診斷張華文，周欣，梁浩然，趙寧(陜西省核工業(yè)二一五醫(yī)院影像科，陜西咸陽(yáng)712000)摘要：目的探討腦出血(ICH)不同時(shí)期磁共振擴(kuò)散加權(quán)成像(Dwl)信號(hào)特點(diǎn)及表觀擴(kuò)散系數(shù)(ADC)值變化規(guī)律。方法回顧性分析56例經(jīng)CT證實(shí)的ICH患者M(jìn)R圖像，結(jié)合出血時(shí)間進(jìn)行分期，分析各期MR信號(hào)特點(diǎn)，并測(cè)量血腫內(nèi)部及健側(cè)對(duì)應(yīng)部位ADC值，對(duì)各期ADC值做統(tǒng)計(jì)學(xué)分析。結(jié)果超急性期、亞急性晚期、慢性期血腫DwI大部為

2、高信號(hào)，其中超急性期血腫邊緣見低信號(hào)環(huán)；急性期、亞急性早期DwI以低信號(hào)為主，邊緣見高信號(hào)環(huán)；各期患側(cè)ADC值與健側(cè)比較均明顯下降，其中急性期和亞急性晚期下降幅度最大；除慢性期外雙側(cè)ADc值比較均有顯著性差異(P

3、：1002—167l(2014)09—1443一05Diffusion-weightedimagingindiagnosisanddifferentialdiagnosisofintracranialhemorrhageZHANGH““訓(xùn)P，2，ZHOUXin，LIANGHnor＆咒，ZHAONi咒g(Dep以仃mP門fo廠RndioZogy，N“fZP口rJ行d“sfry215Hos戶i￡口Zo廠S矗以以”ziProui”fP，XinnyⅡ九g，S?！柏浚?jriProui，2fP712000，C丘i門口JAbstract：0bjecti

4、veToinvestigatethesignalcharacteristicsondiffusi()n—weightedimaging(DWI)andchangesoftheapparentdiffusioncoefficient(ADC)valuesofintracerebralhemorrhageatthedifferentstages．Methods56patientswithintracerebralhemorrhageconfirmedbyCTscanwereenrolledinthisretrospectivestudy．The

5、signalcharacteristicsofthehemotomasatthedifferentstagesonMRlwereanalyzed．TheADCvaluesinthehematomasandthecontralateralnormalregionsweremeasuredandanalyzedstatisticaUy．ResultsDWIshowedthathematomaswerehighsignalatthehyperacute，latesubacuteandchronicstage，andlowsignalattheac

6、uteandearlysubacutestage．Hyperintensityringssurroundingthehemat。mawerepresentedatthehyperacutestage，andhy—pointensityringsattheacuteandearlysubacutestage．C。mparedwiththecontralateralnormalregions，theADCvaluesinthehema—tomasdecreasedatallthestages，andespeciallyattheacuteand

7、latesubacutestage．Thedifferencesweresignificant(P·

8、ebrallnfarc—tion，andishelpfulforearlyclinicaltreatment．Keywords：intracerebralhemorrhage；a