期刊文献+

双源CT的成像原理及在冠状动脉和双能量血管成像中的应用

下载PDF
导出
摘要 人们对双能量计算机断层扫描成像(dual-energy computed tomography,DECT)技术的探索始于20世纪70年代CT问世之初[1]。由于早期CT设备的空间分辨率低、计算机重建成像系统不稳定、低管电压球管不能提供足够的量子输出及完成一次扫描所需时间较长等因素,DECT技术在临床的应用一直受到限制,主要用于对肺部小结节内钙化的检测和对腹部脂肪组织进行定量分析[1,2]。
作者 许轶群
出处 《实用医技杂志》 2011年第3期262-264,共3页 Journal of Practical Medical Techniques
  • 相关文献

参考文献4

二级参考文献51

  • 1Flohr TG, Schoepf UJ, Ohnesorge BM. Chasing the heart: new developments for cardiac CT. J Thorac Imaging,2007,22:4-16.
  • 2Flohr TG, MeCollough CH, Bruder H, et al. First performance evaluation of a dual-source CT (DSCT) system. Eur Radiol, 2006,16:256-268.
  • 3Ohnesorge BM, Flohr TG, Becker CR, et al. Multi-slice and dual-source CT in cardiac imaging: principles, protocols, indications, and outlook. 2nd ed. Berlin : Springer-Verlag, 2007, 327-358.
  • 4Scheffel H, Alkadhi H, Plass A, et al. Accuracy of dual-source CT coronary angiography: first experience in a high pre-test probability population without heart rate control. Eur Radiol, 2006,16:2739-2747.
  • 5McCollough CH,Primak AN ,Saba O,et al. Dose performance of a 64-ehannel dual-source CT scanner. Radiology, 2007, 243 : 775-784.
  • 6Achenbach S, Ropers D, Kuettner A, et al. Contrast-enhanced coronary artery visualization by dual-source computed tomography: initial experience. Eur J Radiol, 2006,57:331-335.
  • 7Schoepf UJ, Zwemer PL, Savino G, et al. Coronary CT angiography. Radiology,2007,244:48-63.
  • 8Lescohka S, Scheffel H, Desbiolles L, et al. Image quality and reconstruction intervals of dual-source CT coronary angiography: recommendations for ECG-pulsing windowing. Invest Radiol, 2007,42:543-549.
  • 9Matt D, Scheffel H, Leschka S, et al Dual-source CT coronary angiagraphy: image quality, mean heart rate, and heart rate variability. AJR ,2007,189:567-573.
  • 10Husmann L, Leschka S, Desbiolles L, et al. Coronary artery motion and cardiac phases : dependency on heart rate :implications for CT image reconstruction. Radiology, 2007, 245 : 567-576.

共引文献141

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部