64层螺旋ct血管成像技术在肝癌外科的临床应用研究

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1、ABSTRACTespeciallytherelationshipbetweenthetargetvesselandtumorfrommultiplepointofview,whichwasofgreatclinicalvalue．ObjectiveI．Tostudythefeatureof64-detectorrowhelicalCTangiographyofhepatoma，2．Tostudythenormalanatomyandanatomicalvariationofhepaticarteryandtheclinicapplicationsoftheva

2、riationsby64-detectorrOWhelicalCTangiography．3．Tostudythemanifestationoftheblood·supplyforhepatomabytheuseof64-detectorrowhelicalCTangiography．4。Todiscussclinicalapplicationsandvalueof64-MetectorrOWhelicalCTangiographyonhepatomasurgery．MateriaIsandMethods1．Patientdata：(1)106patientsw

3、hohadclinicallybeendefinitedhepatomaunderwentCTAexamination、撕th64-detectorrowhelicalCT．Theyincluded85menand21women，andtheaverageageWas47．4years．Thefinaldiagnosesofthepatientswerehepatocellularcarcinoma(n=83)，metastatichepatictumors(n=23)．(2)68HCCpatients(exclude2patientswithTransplan

4、tationofliver)Wereperformed晰msurgicaltreatmentwhoincluded60menand8women，andtheaverageageWas49．0years．2．Examinationmethods：(1)plainSCan"Allpatientstook500～1000mlpurewaterorallybeforeexaminationandlaysupinelyontheSCantable．wimthescandirectionfromthetopoflivertotheinferiorpoleofkidneyan

5、dthelengthof220-270mm．Byusingasectionthicknessof5ram，intervalof5mm，apitchofO．984，thevoltageof120kV，theelectriccurrentof250mA，perrotationof0．5secondandaFOVof330mm．(2)CTAscan：ThenoniorileiodiIlatedcontrastagentWasintravenouslyadministered20mlinarateofthe5ml／swithadoubletubepowerinjecto

6、roftubeAthroughaplastic20一gaugeintravenouscatheterthat硕士学位论文wasinsertedintothecubitalveinThestartingscanoftimedelaywasdeterminedbyusingthetestbOlusofcontrastagentfollowedbyaseriesofsinglelevelCTsca胚atlowdose．ThescanlocationWas20cⅡlbelowthedomeoftheliver,andthemonitoringSCABSwereacqui

7、redeverylsecondsfrom0to30seconds．Amaskputovertheabdominalaortaatthislevel，andthetimetopeakaorticenhRncerrlentwasusedtOdeterminethestartingscanoftimeforthefirstarterialphaseimagesofhepaticarteryofCTA．Subsequently,20mlsalinewasinjectedfrommbeBafterabolusinjectionof70—120mLofcontrastage

8、nt(withthedo