冠狀動(dòng)脈CTA圖像判讀.ppt

1、2011-08-12,冠狀動(dòng)脈CTA圖像判讀,勝利油田中心醫(yī)院CT檢查科 宋殿行,2011-08-12,Ao, aorta, 主動(dòng)脈; 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,第一對(duì)角支; MO, marginal obtuse branch，鈍緣支; LA, left atrium.左房,2011-

2、08-12,RCA, right coronary artery,右冠狀動(dòng)脈 LAD, left anterior descending，前降支 LCX, left circumflex artery，回旋支 PDA, posterior descending artery，后降支 PL, posterolateral branch，后側(cè)支 D1, first diagonal branch，第一對(duì)角支 D2, second diagonal branch，第二對(duì)角支,2011-08-12,CCTA常用圖像重組方法及比較,張兆琪,心血管疾病64排CT診斷學(xué),人民衛(wèi)生出版社,2008,2011-

3、08-12,VR圖,2011-08-12,右冠 RCA,2011-08-12,前降支 LAD,2011-08-12,回旋支 LCX,2011-08-12,平鋪圖及MIP,2011-08-12,冠脈分段,2011-08-12,Raff et al. J of Cardiovas Comput Tomogr ,2009,3:122-136,2011-08-12,狹窄(直徑)程度分級(jí),SCCT推薦,正常：無(wú)斑塊及狹窄 輕微狹窄：狹窄25% 輕度狹窄：狹窄25-49% 中度狹窄：狹窄50-69% 重度狹窄：狹窄70-99% 閉塞：狹窄100%,正常：無(wú)斑塊及狹窄 輕度：狹窄39% 中度：狹窄40-69

4、% 重度：狹窄70-99% 閉塞：狹窄100%,Budoff et al. Cardiac CT Imaging: Diagnosis of Cardiovascular Disease(2nd,2010)，107,2011-08-12,斑塊范圍的描述,局限性，累及血管長(zhǎng)軸范圍1cm 節(jié)段性，累及血管長(zhǎng)軸范圍1cm3cm 彌漫性，累及血管長(zhǎng)軸范圍3cm,2011-08-12,斑塊性質(zhì)的界定,鈣化性斑塊鈣化成分20% 非鈣化斑塊鈣化成分20% 混合性斑塊鈣化成分20%80%,Korosoglou G, et al. Eur Radiol (2010) 20: 18411850,2011-08-12,鈣化斑塊，管腔無(wú)狹窄,2011-08-12,局限性輕度狹窄，混合斑塊,2011-08-12,局限性約中度狹窄，非鈣化斑塊,2011-08-12,彌漫性非鈣化斑塊；局部重度狹窄，非鈣化斑塊,2011-08-12,彌漫性中度狹窄 混合性斑塊,2011-08-12,彌漫性重度狹窄 混合性斑塊,2011-08-12,局限性閉塞 非鈣化斑塊,2011-08-12,彌漫性閉塞 非鈣化斑塊,RCA