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《64排螺旋ct灌注成像在胰腺疾病中的應(yīng)用研究》由會(huì)員上傳分享,免費(fèi)在線(xiàn)閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、ComputedTomographyTime-DensityCurveMicrovesselDensityRegionofInterestBIoodFlowBIoodVolumePermeabilitySurfaceAreaProductPatlakBIoodVoltrifleTimetoStartTimetoPeakM啪TransitTimeUltrasonography時(shí)間一密度曲線(xiàn)微血管密度感興趣區(qū)血流量血容量毛細(xì)血管表面通透性Patlak血容量灌注開(kāi)始時(shí)間達(dá)峰時(shí)間平均通過(guò)時(shí)間超聲影像凹儆眥刪l若吖
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3、蘭m岍啪論文獨(dú)創(chuàng)性聲明本論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。論文中除了特別加以標(biāo)注和致謝的地方外,不包含其他人或其它機(jī)構(gòu)已經(jīng)發(fā)表或撰寫(xiě)過(guò)的研究成果。其他同志對(duì)本研究的啟發(fā)和所做的貢獻(xiàn)均已在論文中作了明確的聲明并表示的謝意。作者簽名:日期淪文使用授權(quán)聲明本人完全了解復(fù)旦大學(xué)有熒保留、使用學(xué)位論文的規(guī)定,即:學(xué)校有權(quán)保留送交論文的復(fù)印件,允許論文被查閱和借閱;學(xué)??梢怨颊撐牡娜炕虿糠謨?nèi)容,可以采用影印、縮印或其它復(fù)制手段保存論文。保密的論文在懈密后遵守此規(guī)定。作者箍名:導(dǎo)師簽名
4、日期:立五二!:二叢StudyofDynamic64-slieeHelicalComputedTomographywithPerfusionImaginginPnncreaticDIissees_ssees&.AmultitudeofclinicaIsymptomsofiginatefrompanfrcaticinflammatoryorneoplasticprocessesduetotheirhighlycomplexcomposition;anatomicrelationshipstoadjacent
5、organs;conglomeratedfunction;aswellastheheterogeneouspatternsofvascularperfusionendneuralinnervationsofthepancreaticgland.Thecomplexlayoutlendstocomplicateanearlyandprecisediagnosis.TheearlyassessmentofneoplasticpancreaticprocessesisaprerequisiteforaSUCA3
6、9SSfuIcurativeapproach.11僻combinationoffunctionalinformationandgoodspatialdetailaffordedbytissueperfusioncomputedtomography(CT)imagingallowsfortheusageofthismodalityintheevaluationofthepancreas.TissueperfusionCTisabletooutlinebloodperfusionchangesinatissu
7、eandthisisturnindirectlyreflectchangesofmicrovasculardcosity(MVD)andcapillarypermcability.Thusinlesiontissuesofpancreas,thisaidstoincreasethevemc時(shí)ofCTdiagnosis.Atpresent,thisisthesolemodalitywhichallowsnon.invasiveabsolutequantificationofpancreaticperfusi
8、on.AIM:1.Toexplorethepcrfusioncharacteristicsofnormalpancreasandpancreatic啪c盯throeIgIltheuseofCTperfusionimagingOllpatients、vitllnon-pancreaticdiseaseandpancreaticcalw.宅t-.2.Toinvestigatetheperfusioncharacteristicsofdiseasedpancreasandtherebyapplythoselab
9、eledfunctionalparameterscoupledwithmorphologicalfindingstoincreasetheveracityofdiagnosis.SErnNGSANDDESIGN:ThestudydesignwasaprospectivecasecontroIstudyconductedatatertiaryleveIhospitalCHuashanHospital)inShanfghai,Ch