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Actively explore clinical application spectrum of dual-source CT

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF RADIOLOGY
Issue:
2
DOI:
10.3321/j.issn:1005-1201.2008.02.001
Key Word:
No keyword available

Abstract: @@ 双源CT(dual-source CT,DSCT)于2005年在北美放射学年会(RsNA)上推出,它使用2套X线管和2套探测器,2套采集系统呈90°安装,机架旋转90°即可获得180°数据,时间分辨率比单源CT快1倍,心脏扫描时单扇区时间分辨率达83 ms,而且空间分辨率为亚毫米、扫描时间短于10s,满足了需要高质量冠状动脉CT成像的要求,开辟了冠状动脉无创性成像的新纪元,已进入常的临床应用中,在有选择性的者中可代替有创性的冠状动脉造影检查,拓宽了CT在心脏和血管疾病方面的临床应用范围.

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