重庆医科大学附属儿童医院Clinical applicationChidren'sHospitalotChongaingMedicalUniversiDiagnostic imaging:Interventional radiology:①To identify the natureandtype ofPreferredtreatmentforcertaindiseases(Budd-Chiaridiseases,syndrome, aneurysms, etc.),②Tofurtherunderstandthescope?Treatment of certain acute diseases (deep venousthrombosis,etc.),and staging oflesions;Toevaluatethetherapeuticeffects③ Diseases for which surgical opportunities have been lost:andfollow-up,@Creatingconditionsforsurgery,Health screening@ Alternative treatment for patients reluctant to undergosurgery,@Biopsy under imaging guidance
Clinical application 03 05 ◼ Diagnostic imaging： ➢ ① To identify the nature and type of diseases; ➢ ② To further understand the scope and staging of lesions; ➢ ③ To evaluate the therapeutic effects and follow-up; ➢ ④ Health screening. ◼ Interventional radiology： ➢ ① Preferred treatment for certain diseases (Budd-Chiari syndrome, aneurysms, etc.); ➢ ② Treatment of certain acute diseases (deep venous thrombosis, etc.); ➢ ③ Diseases for which surgical opportunities have been lost; ➢ ④ Creating conditions for surgery; ➢ ⑤ Alternative treatment for patients reluctant to undergo surgery; ➢ ⑥ Biopsy under imaging guidance
Overview of diagnostic imagingX-rayimaging(Radiography,X线成像）Sect.lComputedtomography（CT，X线计算机体层成像）Sect.2Magneticrsonanceimaging（MRI，磁共振成像）Sect.3Molecularimaging（分子影像学）Sect.4Clinical applicationand comparison ofdifferent imaging techniquesSect.5Sect.6Picturearchivingandcommunicationsystems（PACS，图像存档传输系统）&radiological informationsystem（RIS）（信息放射学）
Overview of diagnostic imaging Sect.2 X-ray imaging (Radiography, X线成像) Computed tomography (CT, X线计算机体层成像) Magnetic rsonance imaging（MRI, 磁共振成像） Molecular imaging (分子影像学) Clinical application and comparison of different imaging techniques Picture archiving and communication systems (PACS, 图像存档传输系统) & radiological information system (RIS) (信息放射学) Sect.3 Sect.4 Sect.5 Sect.6 Sect.1
重庆医科大学附属儿童医院Sect.1 X-ray imaging (Radiography)Chidren's Hospital ot Chongaing Medical UnversihyI.Imaging principleII. Device and imaging propertiesIII.Examination methodsIV. Safety of X-ray imagingV. Image characteristics
Sect.1 X-ray imaging (Radiography) I. Imaging principle II. Device and imaging properties III. Examination methods IV. Safety of X-ray imaging V. Image characteristics
重庆医科大学附属儿童医院I. Principle of radiographyChidren'sHospitalotChongaingMedicalUniverslyX-raycharacteristics:penetration（穿透性）absorbability（可吸收性）fluorescenteffect（荧光效应）andphotographiceffect（感光效应）Imagingconditions:differencesofdensityandthicknessamongtissuesX-raytissuelowdensityhighdensitymiddensity1111filmgrayblackwhite
I. Principle of radiography ➢ X-ray characteristics: penetration (穿透性), absorbability (可吸收性), fluorescent effect (荧光 效应) and photographic effect (感光效应) ➢ Imaging conditions: differences of density and thickness among tissues X-ray tissue film high density white low density black mid density gray
重庆医科大学附属儿童医院II. Device and imaging propertiesChidren's Hospital ot Chongaing MedicalUniversiyDeviceTraditionalX-raymachineDigital X-ray machine:Traditional X-rayTaditionaf radiographyChemicalmachinecombinedwithcomputersandXprocessingrayinformationchangedintodigitalinformation,includingCR(computedImaging plate,IPradiography)andDR(direct/digitalComputedradiography)tomographyFlatiDigitaf radiography
II. Device and imaging properties ◼ Device ➢ Traditional X-ray machine ➢ Digital X-ray machine: Traditional X-ray machine combined with computers and Xray information changed into digital information, including CR (computed radiography) and DR (direct/digital radiography) film Chemical processing Imaging plate,IP Flat panel detectors,FPD Laser reader Computed tomography Taditional radiography Digital radiography