放射诊断学教案（双语教学）

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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-raydetector

6、epatternonfilmthatisrecognizableashumananatomy.Thefilmisremovedfromthecassetteanddevelopedbyanautomatedchemicalfilmprocessor.Thefinalproductisanx-rayimageofthepatient"sanatomyonafilm.Computedradiography(CR)isafilmlesssystemthateliminateschemicalprocessingandprovidesdigitalradiographicimages

7、.CRsubstitutesaphosphorimagingplateforthefilmscreencassette・Thesamegantry,x-raytube,andexposurecontrolsystemsusedinconventionalradiographyareutilizedforCR.Thephosphor-coatedimagingplateinteractswithx-raystransmittedthroughthepatienttocapturealatentimage.