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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,2011-08-12,RCA,right
2、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,VR图,2011-08-12,右冠 RCA,2
3、011-08-12,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%闭塞:狭窄100%,Budoff et al.C
4、ardiac 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,