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不同管电压对下肢CT血管成像图像质量及辐射剂量的影响 被引量:8

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摘要 下肢CT血管成像(CTA)已成为常规检查,其大范围容积扫描使得辐射剂量较大[1]。近年来,通过降低管电压来降低辐射剂量的报道多局限于对比两组不同管电压[2]。本研究拟通过降低120 kV p管电压至100 kV p及80 kV p后,多组比较分析对下肢CTA图像质量及辐射剂量的影响,探讨满足诊断要求时低管电压扫描的可行性。
出处 《中国医学影像学杂志》 CSCD 北大核心 2017年第4期291-294,共4页 Chinese Journal of Medical Imaging
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