呼吸肺肿瘤的影像诊断ppt课件

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1、Thanksforyourattendance欢迎光临指导影像学教研室江勋源《临床医技课》之呼吸系统的放射诊断肺肿瘤的影像诊断ImagingDiagnosisofLungTumorIntoday’slesson,wearegoingtostudyClassificationsoflungtumor肺肿瘤的分类Imagingappearanceofcentrallungcancer中心型肺癌的影像表现Imagingappearanceofperipherallungcancer周围型肺癌的影像表现Specialappearancesoflungcancer肺癌的特殊表现Imagingof

2、metastaticlungcancer肺转移瘤的影像表现Classification肺肿瘤的分类Accordingtoitsorigin,lungtumorcanbeclassifiedas根据肺肿瘤的起源分为：(一)Primary原发性1.Benign:rare良性少见2.Malignant:恶性A.>98%arePrimarylungcancer恶性中>98%是原发性支气管肺癌,简称肺癌B.Sarcoma<2%少数肺肉瘤(二)Secondary:Metastaticlungcancerorlungmetastasis继发性:转移性肺癌(肺转移癌)Primarylungcancer肺

3、癌primarybronchogeniccarcinoma原发性支气管肺癌Originatedfromthemucosaofthebronchi（bronchus)起源于支气管粘膜上皮和腺体Question:wheredoesthebloodsupplyoflungcancercomefrom?肺癌的血液供应来自哪里？Question:wheredoesthebloodsupplyoflungcancercomefrom?肺癌的血液供应来自哪里？Areview:Bloodcirculationsoflung:1.Functional:pulmonaryarterycapillarypu

4、lmonaryvein2.Nutritional:bronchialarteryIsee:thebloodsupplytoLungcancercomesfrombronchialartery!Aanatomicalbasisofinterventionaltherapy.肺癌血供来自支气管动脉是介入治疗的基础。Pathologicalclassificationsoflungcancer肺癌病理类型:(一)Cellular细胞类型1.Squamouscellcarcinoma鳞癌2.Adenocarcinoma腺癌3.undifferentiated未分化癌(1)Smallcellcar

5、cinoma小细胞癌(2)largecellcarcinoma大细胞癌(largecellcarcinomabelongstoSquamouscellcarcinomaunderelectronic-microscope)4.BronchioloalveolarCarcinoma细支气管肺泡癌(二)Gross大体病理类型Ｒeview:Trachea气管Mainbronchus主支气管Lobebronchus叶支气管Segmentalbronchus段支SubsegmentalSub-sub-sub-亚段与亚亚段Bronchiole细支气管Alveolus肺泡1.Central中心型（中央

6、型）：段支气管开口以上2.Peripheral外围型（周围型）：肺段以下3.Diffuse（弥漫型）BronchioloalveolarCarcinoma细支气管肺泡癌BAC二.pathologicalclassification(gross)大体病理类型:按其发生部位分为：Moresmoking,Morelungcancer.Smokingisproventobeariskfactoroflungcancer.No-smoking,please.二.ImagingappearancesofCentralLungCancer中央型肺癌的影像表现Directsigns:tumorm

7、ass,Bronchialobstruction直接征象：肺门肿块,支气管阻塞2.Indirectsigns:signsofobstructivecomplications间接征象：即支气管阻塞所致肺部征象A.Obstructiveemphysema阻塞性肺气肿B.Obstructivepneumonia阻塞性肺炎C.Obstructiveatelectasis阻塞性肺不张左主支气管内肺癌并左肺阻塞性肺气肿centrallungca