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Program Information

Radiation Risks at Level of Few CT Scans: How Real?- Science to Practice

M Rehani

E Samei
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W Morgan
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R Shore
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M Goske

M Rehani1*, E Samei2*, W Morgan3*, R Shore4*, M Goske5*, (1) International Atomic Energy Agency, Vienna, (2) Duke University Medical Center, Durham, NC, (3) Pacific Northwest National Laboratory, Richland, WA, (4) (5) Cincinnati Childrens Hospital, Cincinnati, OH


MO-C-18C-1 Monday 10:15AM - 12:15PM Room: 18C

There are controversies surrounding radiation effects in human population in the range of radiation doses encountered by patients resulting from one to several CT scans. While it is understandable why the effects from low levels of diagnostic radiation are controversial, the situation is complicated by the media which may distort the known facts. There is need to understand the state of science regarding low-level radiation effects and also to understand how to communicate the potential risk with patients, the public and media. This session will seek to come to a consensus in order to speak with one voice to the media and the public. This session will review radiation effects known so far from a variety of exposed groups since the nuclear holocaust, provide clarification where effects are certain and where they are not, at what level extrapolation is the only way and at what level there is weak but agreeable acceptance.

We will depict where and why there is agreement among organizations responsible for studying radiation effects, and how to deal with situations where effects are uncertain. Specific focus on radiation effects in children will be provided.
Finally, the session will attempt to bridge the communication gap from the science to how to be an effective communicator with patients, parents, and media about ionizing radiation.

Learning Objectives:
1. To have a clear understanding about certainties and uncertainties of radiation effects at the level of a few CT scans
2. To understand the results and limitations from 3 major pediatric CT scientific studies on childhood exposures published recently.
3. To understand successful strategies used in risk communication


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