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首页> 外文期刊>Radiation Protection Dosimetry >DIAGNOSTIC REFERENCE LEVEL OF COMPUTED TOMOGRAPHY (CT) IN JAPAN
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DIAGNOSTIC REFERENCE LEVEL OF COMPUTED TOMOGRAPHY (CT) IN JAPAN

机译：日本计算机断层扫描（CT）的诊断参考水平

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摘要

Optimisation of computed tomography (CT) parameters is important in avoiding excess radiation exposure. The aim of this study is to establish the diagnostic reference levels (DRL) of CT in Japan by using dose-length product (DLP). Datasheets were sent to all hospitals/clinics which had CT scanner(s) in Gunma prefecture. Data were obtained for all patients who underwent CT during a single month (June 2010), and the distributions of DLP were evaluated for eight anatomical regions and five patient age groups. The DRL was defined as the 25th and 75th percentiles of DLP. Datasheets were collected from 80 of 192 hospitals/clinics (26090 patients). DLP for head CT of paediatric patients tended to be higher in Japan compared with DRLs of paediatric head CTs reported from the EU or Syria. Although this study was performed with limited samples, DLP for adult patients were at comparable levels for all anatomical regions.
机译：优化计算机断层扫描（CT）参数对于避免过多的辐射暴露很重要。这项研究的目的是通过使用剂量长度乘积（DLP）建立日本CT的诊断参考水平（DRL）。数据表被发送到群马县所有装有CT扫描仪的医院/诊所。获得了一个月（2010年6月）接受CT扫描的所有患者的数据，并评估了8个解剖区域和5个患者年龄组的DLP分布。 DRL被定义为DLP的第25和第75个百分位。数据表来自192家医院/诊所的80家（26090名患者）。与欧盟或叙利亚报道的小儿头颅CT的DRL相比，日本小儿头颅CT的DLP倾向于更高。尽管本研究仅以有限的样本进行，但成人患者的DLP在所有解剖区域均处于可比较的水平。

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  • 来源
    《Radiation Protection Dosimetry》 |2012年第1期|p.51-57|共7页
  • 作者

    Yasuhiro Fukushima; Yoshito Tsushima; Hiroyuki Takei; Ayako Taketomi-Takahashi; Hidenori Otake; Keigo Endo;

  • 作者单位

    Department of Radiology, Gunma University Hospital, 3-39-15 Showa-machi, Maebashi, Gunma, Japan;

    Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Hospital,3-39-15 Showa-machi, Maebashi, Gunma, Japan;

    Department of Radiology, Gunma University Hospital, 3-39-15 Showa-machi, Maebashi, Gunma, Japan;

    Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Hospital,3-39-15 Showa-machi, Maebashi, Gunma, Japan;

    Department of Radiology, Gunma University Hospital, 3-39-15 Showa-machi, Maebashi, Gunma, Japan;

    President, Kyoto College of Medical Science, 1-3 Imakita, Oyama-higashi, Sonobe, Nantan, Kyoto, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
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