冠状动脉cta图像判读.ppt

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,leftmaincoronaryartery，左主干;LCX,leftcircumflexartery，左旋支;RCA,rightcoronaryartery右冠;RVOT,rightventricularoutflowtract，右室流出道;D1,firstdiagonalbranch,第一对角支;MO,marginalobtusebranch，钝缘支;LA,leftatrium.左房,2011-08-12,RCA,rightcoronaryartery,右冠状动脉LAD,leftanteriordescending，前降支LCX,leftcircumflexartery，回旋支PDA,posteriordescendingartery，后降支PL,posterolateralbranch，后侧支D1,firstdiagonalbranch，第一对角支D2,seconddiagonalbranch，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,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,Raffetal.JofCardiovasComputTomogr,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%,Budoffetal.CardiacCTImaging:DiagnosisofCardiovascularDisease(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%,KorosoglouG,etal.EurRadiol(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