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鼻窦低剂量CT扫描的应用研究

Study of the application of low-dose CT scanning in paranasal sinus

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【作者】 罗小平赵余祥张海荣刘秀祥徐伟峰翁新茫翁超寅祝敏艳李春怡

【Author】 LUO Xiao-ping,ZHAO Yu-xiang,ZHANG Hai-rong,LIU Xiu-xiang,XU Wei-feng, WONG Xie-mang,WONG Chao-yin,ZHU Min-yan,LI Chun-yi(The First Affiliated Hospital of Wenzhou Medical College,Wenzhou 325028,China)

【机构】 浙江省温州市第八人民医院浙江省温州市第八人民医院 浙江温州325028浙江温州325028

【摘要】 目的研究低剂量CT扫描在副鼻窦检查中的应用及其临床价值。方法将108例患者随机分为A、B、C 3组,每组各36例,在其他扫描参数不变的情况下,A组用250 mAs进行扫描,B组用50 mAs进行扫描,C组用30 mAs进行扫描,比较各组图像质量有无差异。结果B、C 2组单次扫描权重CT剂量指数分别降低了79.89%和87.99%;B组与A组所得图像质量比较无明显差异,C组与A组所得图像质量比较有显著性差异。结论可利用50 mAs低剂量对鼻窦进行扫描,所得的图像对疾病的诊治无影响。

【Abstract】 Objective It is to research the low-dose CT scanning in the paranasal sinus and its clinical value.Methods 108 cases were randomly divided into A,B, C group,each group had 36 cases.Group A were scanned by 250mAs,group B by 50mAs,and group C 30mAs,with other scanning parameters unchanged.Image quality of every group was compared to see whether there was difference.Results The exposal doses of group B,C were reduced by 79.89% and 87.99% respectively.No significant difference was found between group A and group B,and there was significant difference between group A and group C.Conclusion It is practical to scan the sinus with the low dose of 50 mAs,and its images have no effect on disease diagnosis.

【关键词】 副鼻窦辐射体层摄影术X线计算机
【Key words】 paranasal sinusradiationtomographyX-ray computed
【基金】 温州市鹿城区科技局资助项目(S060103)
  • 【文献出处】 现代中西医结合杂志 ,Modern Journal of Integrated Traditional Chinese and Western Medicine , 编辑部邮箱 ,2007年10期
  • 【分类号】R816.96
  • 【被引频次】2
  • 【下载频次】56
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