冠状动脉CTA图像判读课件.ppt

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1、2011-08-12,冠状动脉CTA图像判读,胜利油田中心医院CT检查科 宋殿行,2011-08-12,Ao, aorta, 主动脉; LM, left main coronary artery，左主干; LCX, left circumflex artery，左旋支; RCA, right coronary artery右冠; RVOT, right ventricular outflow tract，右室流出道; D1, first diagonal branch,第一对角支; MO, marginal obtuse branch，钝缘支; LA, left atrium.左房,2011-

2、08-12,RCA, right coronary artery,右冠状动脉LAD, left anterior descending，前降支LCX, left circumflex artery，回旋支PDA, posterior descending artery，后降支PL, posterolateral branch，后侧支D1, first diagonal branch，第一对角支D2, second diagonal branch，第二对角支,2011-08-12,CCTA常用图像重组方法及比较,张兆琪,心血管疾病64排CT诊断学,人民卫生出版社,2008,2011-08-12,

3、VR图,2011-08-12,右冠 RCA,2011-08-12,前降支 LAD,2011-08-12,回旋支 LCX,2011-08-12,平铺图及MIP,2011-08-12,冠脉分段,2011-08-12,Raff et al. J of Cardiovas Comput Tomogr ,2009,3:122-136,2011-08-12,狭窄(直径)程度分级,SCCT推荐,正常：无斑块及狭窄 轻微狭窄：狭窄25%轻度狭窄：狭窄25-49%中度狭窄：狭窄50-69%重度狭窄：狭窄70-99%闭塞：狭窄100%,正常：无斑块及狭窄 轻度：狭窄39%中度：狭窄40-69%重度：狭窄70-99

4、%闭塞：狭窄100%,Budoff et al. Cardiac CT Imaging: Diagnosis of Cardiovascular Disease(2nd,2010)，107,2011-08-12,斑块范围的描述,局限性，累及血管长轴范围1cm节段性，累及血管长轴范围1cm3cm弥漫性，累及血管长轴范围3cm,2011-08-12,斑块性质的界定,钙化性斑块钙化成分20%非钙化斑块钙化成分20%混合性斑块钙化成分20%80%,Korosoglou G, et al. Eur Radiol (2010) 20: 18411850,2011-08-12,钙化斑块，管腔无狭窄,2011-08-12,局限性轻度狭窄，混合斑块,2011-08-12,局限性约中度狭窄，非钙化斑块,2011-08-12,弥漫性非钙化斑块；局部重度狭窄，非钙化斑块,2011-08-12,弥漫性中度狭窄 混合性斑块,2011-08-12,弥漫性重度狭窄 混合性斑块,2011-08-12,局限性闭塞 非钙化斑块,2011-08-12,弥漫性闭塞 非钙化斑块,RCA中段支架置入术后,2011-08-12,心脏搏动伪影,2011-08-12,呼吸伪影,2011-08-12,呼吸伪影,2011-08-12,谢谢,