冠状动脉CTA图像判读

2011-08-12冠状动脉CTA图像判读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2011-08-12RCA,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2011-08-12CCTA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,20082011-08-12VR图2011-08-12右冠RCA2011-08-12前降支LAD2011-08-12回旋支LCX2011-08-12平铺图及MIP 2011-08-12冠脉分段2011-08-12Raff et al.J of Cardiovas Comput Tomogr,2009,3:122-1362011-08-12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.Cardiac CT Imaging:Diagnosis of Cardiovascular Disease(2nd,2010)，1072011-08-12斑块范围的描述n局限性，累及血管长轴范围1cmn节段性，累及血管长轴范围1cm3cmn弥漫性，累及血管长轴范围3cm2011-08-12斑块性质的界定n钙化性斑块钙化成分20%n非钙化斑块钙化成分20%n混合性斑块钙化成分20%80%Korosoglou G,et al.Eur Radiol(2010)20:184118502011-08-12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