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ID:44418111
大小:180.90 KB
页数:22页
时间:2019-10-21
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1、上海歎通女曇医旁浣教案课程名称MedicalImaging2008年3月1日教师柴维敏刘燕职称副主任医师教研室Radiology教学时数4+4(见习)授课题目MedicalImaging-DiagnosticImagingModality授课对象临床医学七年制班地点瑞金医院科教楼408教室/放射科实地教学方式理论课和见习课(课件和实地走访)Keypoints:Diagnosticradiologyisadynamicspecialtythatcontinuestoundergorapidchangewithongoingadvanccmcntsintechnology.Not
2、onlyhasthenumberofimagingmethodsincreased,buteachmethodcontinuestoundergoimprovementandrefinementofitsuseinmedicaldiagnosis.Thischapterreviewsthebasicsofthemajordiagnosticimagingmethodsandprovidesthebasicprinciplesofimageinterpretationforeachmethod・Contrastagentscommonlyusedindiagnosticradi
3、ologyarealsodiscussed・Teachinginstruments:Powerpoint,computer,laserpointer,andmicrophonePracticeteaching:Discussionabouttheadvaneedimageologyandfunctionalimaging;thusvisiting16~sliceCTand1.5TIIDrooms;visitingthePET-CTroom;PACSserverroom.Moredetailsoftheteachingsyllabus:CONVENTIONALRADIOGRAP
4、HYConventionalradiographyremainsfundamentaltothepracticeofdiagnosticimaging.ImageGenerationX-raysareaformofradiantenergythatissimilarinmanywaystovisiblelight.X-raysdifferfromvisiblelightinthattheyhaveaveryshortwavelengthandareabletopenetratemanysubstancesthatareopaquetolight.Thex-raybeamisp
5、roducedbybombardingatungstentargetwithanelectronbeamwithinanx-raytube・FilmRadiographyConventionalfiImradiographyuti1izesascreen-fiImsystemwithinafilmcassetteasthex-raydetector6、epatternonfilmthatisrecognizableashumananatomy.Thefilmisremovedfromthecassetteanddevelopedbyanautomatedchemicalfilmprocessor.Thefinalproductisanx-rayimageofthepatient"sanatomyonafilm.Computedradiography(CR)isafilmlesssystemthateliminateschemicalprocessingandprovidesdigitalradiographicimages7、.CRsubstitutesaphosphorimagingplateforthefilmscreencassette・Thesamegantry,x-raytube,andexposurecontrolsystemsusedinconventionalradiographyareutilizedforCR.Thephosphor-coatedimagingplateinteractswithx-raystransmittedthroughthepatienttocapturealatentimage.
6、epatternonfilmthatisrecognizableashumananatomy.Thefilmisremovedfromthecassetteanddevelopedbyanautomatedchemicalfilmprocessor.Thefinalproductisanx-rayimageofthepatient"sanatomyonafilm.Computedradiography(CR)isafilmlesssystemthateliminateschemicalprocessingandprovidesdigitalradiographicimages
7、.CRsubstitutesaphosphorimagingplateforthefilmscreencassette・Thesamegantry,x-raytube,andexposurecontrolsystemsusedinconventionalradiographyareutilizedforCR.Thephosphor-coatedimagingplateinteractswithx-raystransmittedthroughthepatienttocapturealatentimage.
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