多层螺旋C冠状动脉检查

1、= 83 msrotation time 0.33s4temp. resolution =courtesy of dr. wei li-xin. pla general hospital, chinathe vulnerable plaque without lumen stenosisthe aids of coronary ct imaging:detect the vulunerable plaque before rupturecourtesy of dr. wei li-xin. pla general hospital, chinasoft plaque 14 26 huinter

2、mediate plaque 91 21 hucalcified plaque 419 194 huschroeder et al. jacc 2001courtesy of dr. lars k. hofmann a 54-y/o man with “cardiopalmus”. lad irregular-surface plaque with lower density and lumen stenosis 50% 2005-11-09 2006-08-01 2008-12-19normal pattern of the left anterior descending artery (

3、lad) as seen on axial plane (a, b) and multiplanar reformation (c, d). the left anterior descending artery (arrow) is embedded through all of its length in the epicardial fat. *interventricular septum. ccta coronary computed tomographic angiography.k0nen，jacc, 2007,49(5): 587-693.intramuscula lad, s

4、uperficial type, as seen on axial plane (a, b) and multiplanar reformation (c, d). the mid lad (arrow) shows a typical deviation and straitening and is only partially surrounded by myocardium. of note, an atheroscleroticplaque in the proximal lad, whereas the intramuscular segment is free of disease

5、. konen，jacc, 2007,49(5): 587-693.intramuscular lad, right ventricular type (arrow). in this variant it is frequently difficult to follow the lad on sequential axial images (a, b) because it disappears between the right ventricular trabeculae, whereas the multiplanar reformationimages easily show it

6、s intraventricular course (c, d). konen，jacc, 2007,49(5): 587-693.intramuscular lad, right ventricular type (arrow). in this variant it is frequentlydifficult to follow the lad on sequential axial images (a, b) because it disappearsbetween the right ventricular trabeculae, whereas the multiplanar re

7、formationimages easily show its intraventricular course (c, d). konen，jacc, 2007,49(5): 587-693.m/58in-stent restenosisin-stent restenosis74 cases 16 mdct(n=27), 64 mdct(n=43)demonstration isr: accuracy 93% (10/70) sen 100% ppv 67% spe 91% npv 100%mdctivus stent diameter and area : r=0.78, r=0.73van mieghem ca, et al, circulation, 2006,114(7):616-6193737个冠脉内支架个冠脉内支架ctacta与与dsadsa评价再狭窄评价再狭窄 刘新