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《China Medical Equipment》 2005-01
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The measurement and analysis for MSCT dose

睴bjective〕Factors affecting multi-slice CT(MSCT)dose were analyzed,to povide rules of thumb that assist in minimizing the radiation dose in MSCT.〔Methods〕The dose phantom was used to measure dose for a MSCT,and the weighted CT dose index were calculated.〔Results〕(1)All the factors affecting single slice CT also have the same effect on MSCT,besides,there are other special factors affecting radiation dose in MSCT.(2)high speed mode values are50%lower than high-quality values.(3)a change in the section thickness does not change the absorbed radiation dose.in all scanning mode CTDI100w decreased when RPW increased.〔Conclusion〕CT doses must be controlled to get good image quality to the greatest extent with least dose on the basis of understanding the factors affecting MSCT radiation does.
【CateGory Index】: TH774
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Chinese Journal Full-text Database 1 Hits
1 WANG De-hong,YAO Guo-rong *,LU Zhong-jie(Department of Radiotherapy,the First Affiliated Hospital of Medical College,Zhejiang University,Hangzhou310009,China);Radiation dose control in CT-guided lung biopsy[J];中国介入影像与治疗学;2013-06
Chinese Journal Full-text Database 5 Hits
1 YAO Guo-rong,LU Zhong-jie,ZHOU Jin-qi(Department of Radiotherapy,the First Affiliated Hospital of Medical College,Zhejiang University,Hangzhou 310009,China);Vacuum bag fixation in CT guided percutaneous lung biopsy[J];中国介入影像与治疗学;2012-08
2 YANG Jie,XIAO Yue-yong,ZHANG Xiao,WU Bin,LI Jie,MA Xu-yang,LIU Shi-rong(Department of Radiology,Chinese PLA General Hospital,Beijing 100853,China);Electromagnetic navigation system in CT guided percutaneous lung biopsy[J];中国介入影像与治疗学;2012-03
3 WEI Wei,AI Hong,RUAN Li-tao(Department of Ultrasound,First Affiliated Hospital of Medical College ofXi'an Jiaotong University,Xi'an 710061,China);Ultrasound-guided percutaneous lung biopsy in peripheral pulmonary lesions[J];中国介入影像与治疗学;2011-02
4 ;The measurement and analysis for MSCT dose[J];中国医学装备;2005-01
5 WANG Xiao-feng,PENG Ming-chen (Xuanwu Hospital of Capital University of Medical Sciences,Beijing100053,China);A discussion about the dose of multi-detector row computed tomography[J];医疗设备信息;2004-12
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 SHEN Jian;ZHU Xiaoli;NI Caifang;Department of Interventional Radiology,First Affiliated Hospital of Soochow University;;Preliminary Clinical Application of CT-Guided Lung Biopsy with Assistance of an Intelligent Guiding Device[J];临床放射学杂志;2014-11
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