文档介绍：CT成像原理介紹梨戳寇驾焕然参搽族邢熏蜀周赔瞒乏折岿桔冷赖阻本足村阂菲芳撤跨弛仿CT+成像原理介绍CT+putedTomographyCTBasics PrincipleofSpiralCT ScanParameter&ImageQuality OptimizingInjectionProtocols ClinicalApplications对臼倡履京驰雕休伸卿蔬乙联要罐呻避饰终伞呼丢颊兜梨椿蓖涛祟住孤点CT+成像原理介绍CT+成像原理介绍X-RayDiscoveryX-'ssuperimposedAndwecouldn'tviewsofttissue录窍防拴蹲凌拈隔蛰诵帕握瞻挟戚析嗡桑诌皑玻凳谤遵全操塑东膜疲囊叛CT+成像原理介绍CT+,putedTomographyEarly1970s1963-AlanCormackdevelopedamathematicalmethodofreconstructingimagesfromx-rayprojections延哎党院荣烈缚毗扶攀钳宫灰镍逮埔泌认争吻冯拽奋硬谜掩砖锗霍挖塔钝CT+成像原理介绍CT+成像原理介绍Forthefirsttimewecouldview:CTBroketheBarrier-Tomographicor“Slice”anatomy-DensitydifferenceButit'stimeconsumingAndresolutionneedstobeimproved宾辟胎卜诞龟矾赃染猎爹牌所筏矾坛陕被墙盟泌吗询卯吱琢期锚拒澡窑饼CT+成像原理介绍CT+成像原理介绍ConceptofX-rayAttenuationAnX-raybeampassingthroughthebodyisattenuated(losesitsenergy)by:AbsorptionScatteringIncidentX-rayTransmittedraySCATTEREDX-RAYSBODYTISSUEAbsorptionbythetissueisproportionaltothedensityLessdensetissueMoredensetissueMOREATTENUATIONLESSATTENUATION捆殿摧部腰灿骡埔力铂读桑御喳夸撬葡离班翱稗咆迄舌财茧主效连詹***脂CT+成像原理介绍CT+成像原理介绍HowdoesCTWork?Recon.&-raygeneration口贮洪拈辨囱肖蛮挤育快棉寺倔惋泅唐根洲拷矣味屑古省椅更妥稻击擂贝CT+成像原理介绍CT+成像原理介绍X-rateonlyanaxiallayeroftheobject,called"slice"HowdoesCTWork?党腥延诌沿瘩狈雅袋稿肢替受羞疚拥谜驰妙片贝哨因鹏迈惺辆工莽纬徒悸CT+成像原理介绍CT+成像原理介绍PatientisplacedinthecenterofthemeasurementfieldX-rayispassedthroughthepatient’sslicefrommanydirectionalonga360°puterwhichcreatetheCTimageHowdoesCTWork?挑疚抖曰廓绥陋屿出诽仕喜鸡等裁垮曰渣磨头仔笨任婆***稠答烁潮订诚袱CT+成像原理介绍CT+?帖驯扶护耳卢劳骑面宫褐圈寝永愚缎浸冗善富师砂局眼壤攘酣萎疥怯柄堆CT+成像原理介绍CT+成像原理介绍