以下是关于腹部CT的英文描述，可以添加到汕大《医学影像学》课件中：AbdominalCT(ComputedTomography)isanon-invasivediagnosticimagingtechniquethatusesX-raystoproducedetailedcross-sectionalimagesoftheabdominalorgansandstructures.Itprovidesexcellentvisualizationoftheliver,pancreas,spleen,kidneys,adrenalglands,bloodvessels,lymphnodes,andotherabdominaltissues.Modernmulti-detectorCTscannerscanacquirehigh-resolutionimagesrapidly,oftenduringasinglebreath-hold.Intravenouscontrastadministrationisfrequentlyusedtoenhancevisualizationofvascularstructuresandimprovetissuecharacterization.AbdominalCTplaysacrucialroleinevaluatingabdominalpain,trauma,infections,tumors,andotherpathologicalconditions.Itisalsocommonlyusedforpreoperativeplanningandpostoperativefollow-up.Theproceduretypicallytakes10-30minutestocomplete,dependingontheclinicalindicationandprotocolused.
