levovist超声造影在肝肿瘤诊断中的临床应用分析

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1、diagnosisbetweenbenignandmalignantlesions．Contrast—enhancedCDFIofsmallhepaticlesions：Fifry—fourpatientswithlesionsmallerthan3cmwereexaminedbyCDFIexamination．Thelesionsizerangedfrom10—30mrnwith21mminaverage．Thepathologicdiagnosesofthese54lesionswere20benig

2、nlesionsf9HCHs3FNHs，4IPLs，1postoperativescar,3cirrhoticnodulesland34malignantones(3lHCCs，1adenomousdysplasiawithcarcinomafoci，lML』1．ThebloodflowdetectionratesbeforeandafterLevovistadministrationinthebenignlesionswere30％and40％respectively．Thoseinthehepatic

3、carcinomacasesx^ere53％and94％withadistinguishedimprovementafterenhancement．Thir时一fourlesionswithhepaticcarcinomaweredividedintotwogroupsaccordingtothedepthofthetumor(1essthan7cmormorethan7cm)．Thedetectionratesforbloodflowsignalswere7t％and40％respectivelybef

4、oreenl',ancement，93％and95％afterenhancement．Theresultsdemonstratedagoodcorrelationbetweentheflowdetectionandthedepthof也etumor．TheflowsignalinsmallhepaticlesionswasimprovedafterLevovistenhancementanditcouldeliminatetheeffectsofthesizeanddepthofthetumotonblo

5、odflowdetection．AssessmentoftheeffectivenessofinterventionaltreatmentofHCCs：EnhancedcolorDopplerusingLevovistwasperformedon24patientswith24HCCssubmittedtointerventionaltreatment．Beforetreatment．thewasmadeeitherwithpathologicexaminationorangiogaphy．Thesize

6、ofthetumorrangedfrom10mmto100cm(mean33ram)．Timeintervalbetweenthecontrastexaminationandtreatmentwaslw～15m．mean18w．ThedetectionrateofcolorflowsignalsinHCCsWaSobtainedfrom291％f7／24)inpre-contrastto58．3％inpost．contrast．thesamewiththeintensityofcolorflowsigna

7、l．In5patients，LevovistcolorDopplerexaminationwascarriedoutbeforeandafterinterventionaltreatmentBeforetreatment，Dopplersignalsweredemonstratedoi3．pre—contrastCDFIin4lesionsandinall5lesionsonpost-contrast．WhereasaftertreatmentlHCCshowedintratumoralcolorflow

8、onpre-contrastand3onpost—contrast．Furthermorechangesinthedistributionofbloodflowcouldbeobserved．Contrast—enhancedCDFIshowspromiseinassessingthetherapeuticeffectofinterventionaltreatmentonHCCandinguidingadditionaltre