胸部若干常见影像学征象常见征象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10-year-oldboy25-year-oldmale克雷白肺炎ARDS肺泡癌肺泡癌肺癌放射性肺炎空腔内肿块或炎症坏死与空洞形成真菌、细菌感染结核合并真菌感染WG局部肺实变伴邻近叶间裂凸出快速进展的肺炎克雷白杆菌肺炎心底部连续透亮影纵隔气肿心包积气类似表现增强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）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）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）平腰征（Flatwaistsign）指套征（Finger-in-glovesign）金S征（GoldenSsign）12-year-oldboy晕轮征（Hallosign）晕轮征（Hallosign）驼峰征（Hamptonhumpsign）驼峰征（Hamptonhumpsign）近膈肌尖幕征（Juxtaphrenicpeaksign）Luftsichel征（Luftsichesign）溶冰征（MeltingIceCubeSign）3-monthlater动脉周围环形征（RingAroundtheArterySign）动脉周围环形征（RingAroundtheArterySign）轮廓征(SilhouetteSign)轮廓征(SilhouetteSign)轮廓征(SilhouetteSign)轮廓征(SilhouetteSign)胸膜裂开征(Splitpleurasign)胸膜裂开征(Splitpleurasign)肺少血征(Westermarksign)肺少血征(Westermarksign)肺少血征(Westermarksign)肺少血征(Westermarksign)蜂窝征(Honeycombsign)蜂窝征(Honeycombsign)磨玻璃密度(Ground-Glassopacity,GGO)磨玻璃密度(Ground-Glassopacity,GGO)肺腺癌UIP急性嗜酸性肺炎肺出血肾功能衰竭马赛克样表现(MosaicPattern)哮喘呼吸气比较，air-traping镰状细胞贫血致血管阻塞cPE,肺血管大小不一CMV与RSV病毒感染后BOOP树芽征(Tree-in-bud)树芽征(Tree-in-bud)树芽征(Tree-in-bud)树芽征(Tree-in-bud)树芽征(Tree-in-bud)小结感谢各位同仁