双语综述中风成像第一部分,CT灌注
PitfallsinPerfusionCT
CT灌注成像问题
ArterialandVenousOutflowFunction
动脉和静脉流出功能
TheabilitytoobtainappropriateAIFsandVOFsiscrucialforobtainingvalidperfusionmaps.ArterialandvenousROIsandpre-andpostenhancementcutoffvaluesareselectedfromtheperfusionCTsourceimagestogeneraterepresentativeAIFandVOFtime-attenuationcurves.Thesetime-attenuationcurvesarethenusedtocalculatetheperfusionCTparameters.TheA2segmentoftheanteriorcerebralarteryis北京治疗白癜风那个医院好治疗白癜风药
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