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Should We be Concerned About the Rapid Increase in CT Usage?

机译:我们应该担心CT使用量的快速增长吗?

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摘要

1. There has been a rapid increase in the population dose from medical radiation within the last 20 years, particularly due to the increase in CT usage.rn2. Currently, about 65 million adult and 5 million pediatric CT exams are being performed in the US each year.rn3. CT-related x-ray doses are small, but very much larger than for most conventional radiological examinations.rn4. CT-related x-ray doses are large enough that there is statistically-significant epidemiological evidence of a small increase in cancer risk. Risks are larger for children.
机译:1.在过去的20年中,特别是由于CT用量的增加,医疗辐射引起的人口剂量迅速增加。目前,美国每年大约进行6500万例成人CT检查和500万例儿科CT检查。与CT相关的X射线剂量很小,但比大多数常规放射学检查要大得多。与CT相关的X射线剂量足够大,以致于统计学上的流行病学证据表明癌症风险小幅增加。儿童的风险更大。

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  • 来源
    《Reviews on environmental health》 |2010年第1期|p.63-67|共5页
  • 作者

    David J. Brenner;

  • 作者单位

    Center for Radiological Research, Columbia University Medical Center, 630 West 168th Street, VC 11-230, New York, NY 10032, U.S.A;

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  • 正文语种 eng
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