博文
(2005-04-20 16:26:23)

CTAngiography:Peripheral
CTangiographyisatechniquethatallowsevaluationofthevasculaturewithaperipheralvenousinjectionofcontrast.Thisnewapplicationispossiblebecausescanningcanbecompletedduringpeakvascularenhancement.Thefastscanningtimeallowsthescantobecompletedinasinglebreathhold,whichgreatlydecreasesmotionartifacts.Additionally,thevolumetricdatasetenablesoverlappingreconstructions,whichfacilita...[阅读全文]
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(2005-04-20 16:25:14)

CTAngiography:Overview
CTAngiography(CTA)isbecomingincreasinglyimportantasasophisticatedtoolforevaluationandscreeningofthevascularstructuresofthebody.CTAisemergingasalessinvasivemoreeconomicalmethodofvascularevaluationcomparedtocatheterizationproceduresinangiographiclabs.ThevolumeofdatathattheCTAexamprovidesenablesvisualizationofcomplexvascularrelationshipsmoreeffectivelyinviewsunattainablewit...[阅读全文]
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(2005-04-20 16:24:20)

TraumaEvaluation:CTintheEmergentSituation
Thefastacquisitionofthinoverlappingsliceswiththesimultaneousevaluationofvasculature,softtissuesandbonystructuresmakeshelicalCTidealintheevaluationoftraumapatients.ClinicalsituationsthatinthepastrequiredtheuseofmultipletimeconsumingmodalitiescannowbeevaluatedquicklywitharapidhelicalCTexamination.Currentscannersallowforrapidevaluationfromheadtotoe.(Figur...[阅读全文]
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