胸部疾病常见影像学征象ppt课件

.,1,胸部若干常见影像学征象,.,2,常见征象,空气支气管征空气半月征叶间裂膨出征膈肌连续征CT血管造影征深沟征,肺萎陷征平腰征指套征金S征晕轮征驼峰征luftsichel征,肺动脉周围环形征轮廓征胸膜裂开征肺少血征蜂窝征马赛克征树芽征,.,3,无气肺组织内支气管或细支气管意义：肺部病变疾病：肺炎、压迫性肺不张、淋巴瘤、肺泡癌,空气支气管征（Airbronchogramsign）,急性嗜酸性肺炎,.,4,10-year-oldboy25-year-oldmale,.,5,克雷白肺炎,.,6,ARDS,.,7,肺泡癌,.,8,肺泡癌,.,9,肺癌放射性肺炎,.,10,空腔内肿块或炎症坏死与空洞形成真菌、细菌感染,空气半月征（Aircrescentsign）,化脓性肺炎,.,11,结核合并真菌感染,.,12,WG,.,13,局部肺实变伴邻近叶间裂凸出快速进展的肺炎,叶间裂膨出征（Bulgingfissuresign）,感染性支气管与细支气管炎,.,14,克雷白杆菌肺炎,叶间裂膨出征（Bulgingfissuresign）,.,15,心底部连续透亮影纵隔气肿心包积气类似表现,膈肌连续征（Continuousdiaphragmsign）,纵隔积气,.,16,增强CT上实变肺内强化血管影肺泡癌、淋巴瘤、肺炎,CT血管造影征（CTangiogramsign）,肺泡癌,.,17,CT血管造影征（CTangiogramsign）,肺腺癌,.,18,仰卧位气体局部聚集出现于肋膈角时提示气胸量较大,深沟征（Deepsulcussign）,机械通气引起气胸,.,19,深沟征（Deepsulcussign）,外伤气胸,.,20,肺向下、外侧或背侧移位CT上并不向肺门区收缩,肺陷落征（Fallenlungsign）,机动车伤,.,21,肺陷落征（Fallenlungsign）,23-year-old,机动车伤,.,22,平腰征（Flatwaistsign）,主动脉结与肺动脉之间轮廓变平左下叶不张导致心脏左后移位,.,23,指套征（Finger-in-glovesign）,支气管内粘液、细胞碎屑、嗜酸细胞、真菌菌丝ABPA、肿瘤,CFandABPA,.,24,金S征（GoldenSsign）,中央肿块+外周肺不张肺癌,肺癌,.,25,12-year-oldboy,金S征（GoldenSsign）,.,26,晕轮征（Hallosign）,结节或实变周围晕状影像（GGO?)出血、白血病、侵袭性曲菌病,肺曲菌病,.,27,晕轮征（Hallosign）,肺炎,.,28,驼峰征（Hamptonhumpsign）,肺梗死所致的密度异常中部边缘隆起,肺梗死,.,29,驼峰征（Hamptonhumpsign）,肺栓塞,.,30,近膈肌尖幕征（Juxtaphrenicpeaksign）,膈面上三角形影上叶不张斜裂下端、下副裂、下肺韧带牵拉,纵隔放疗后,.,31,Luftsichel征（Luftsichesign）,左上叶不张，左下叶上段过度膨胀主动脉弓被衬托常为肺癌,.,32,溶冰征（MeltingIceCubeSign）,肺梗死自周边向中央吸收CT或胸片不同于肺炎,.,33,3-monthlater,溶冰征（MeltingIceCubeSign）,.,34,动脉周围环形征（RingAroundtheArterySign）,右肺动脉周围环形透亮影侧位或后前位纵隔气肿,.,35,动脉周围环形征（RingAroundtheArterySign）,.,36,轮廓征(SilhouetteSign),平片上心影、膈肌边缘被掩盖与心影、膈肌不连续的肺内病变中叶、舌段、基底段,.,37,轮廓征(SilhouetteSign),轮廓征阳性、阴性其他：膈肌、主动脉结、降主动脉、SVC、后纵隔线鉴别；曝光不足,.,38,轮廓征(SilhouetteSign),肺炎,.,39,轮廓征(SilhouetteSign),肺炎,.,40,胸膜裂开征(Splitpleurasign),正常时不能分辨两层胸膜胸腔积液时两层增厚的胸膜分离增强显示最佳脓胸、肺炎时胸水，恶性胸水、间皮瘤、胸腔积血,脓胸,.,41,胸膜裂开征(Splitpleurasign),脓胸,.,42,肺少血征(Westermarksign),局部肺血管减少、密度减低PE、气道病变,PE,.,43,肺少血征(Westermarksign),PE,.,44,肺少血征(Westermarksign),支气管闭锁,.,45,肺少血征(Westermarksign),支气管闭锁,.,46,蜂窝征(Honeycombsign),囊状影+增厚间隔肺泡与腺泡破坏+肺纤维化IIP(IPF)胶原血管病、石棉肺、慢性嗜酸性肺病、药物性肺病,IPF,.,47,蜂窝征(Honeycombsign),IPF,.,48,磨玻璃密度(Ground-Glassopacity,GGO),肺密度增高，血管与支气管仍可见间质性肺炎肺出血可复性病变,弥漫性肺炎,.,49,磨玻璃密度(Ground-Glassopacity,GGO),肺炎，薄层与厚层CT,.,50,肺腺癌UIP,磨玻璃密度(Ground-Glassopacity,GGO),.,51,急性嗜酸性肺炎,磨玻璃密度(Ground-Glassopacity,GGO),.,52,肺出血,磨玻璃密度(Ground-Glassopacity,GGO),.,53,肾功能衰竭,磨玻璃密度(Ground-Glassopacity,GGO),.,54,马赛克样表现(MosaicPattern),正常密度与低密度区交错气体潴留气道或肺血管病变呼气相可能明显,哮喘,.,55,哮喘,马赛克样表现(MosaicPattern),.,56,呼吸气比较，air-traping,马赛克样表现(MosaicPattern),.,57,镰状细胞贫血致血管阻塞,马赛克样表现(MosaicPattern),.,58,cPE,肺血管大小不一,马赛克样表现(MosaicPattern),.,59,CMV与RSV,马赛克样表现(MosaicPattern),.,60,病毒感染后BOOP,马赛克样表现(MosaicPattern),.,61,树芽征(Tree-in-bud),分支状影+小叶中心结节感染性病变经支气管播散TB，ABPA、误吸、DPB与OB、哮喘,细支气管炎,.,62,树芽征(Tree-in-bud),DPB,.,63,树芽征(Tree-in-bud),TB,.,64,树芽