【摘 要】
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Introduction : Objective: To compare image quality and radiation dose of high pitch CTA with 128-slice dual source CT in lower-extremity arteries with low pitch CTA.Method : Methods: One hundred patie
【机 构】
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Department of Radiology, Busan National University School of Medicine, Korea
【出 处】
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The 7th Congress of Asian Society of Cardiovascular Imaging(
论文部分内容阅读
Introduction : Objective: To compare image quality and radiation dose of high pitch CTA with 128-slice dual source CT in lower-extremity arteries with low pitch CTA.Method : Methods: One hundred patients were divided into two groups; high-pitch (3) group of 50 patients and low pitch (0.6) group of 50 patients.For quantitative analysis, we calculated the mean arterial attenuation, the mean difference between maximum and minimum attenuation values,contrast-to-noise ratio (CNR), and figure of merit (FOM).In addition, visual scores were used for qualitative evaluation and radiation dose was reported in two groups.
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