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Informational handout key to giving parents a better understanding of CT radiation risks
Date:8/14/2007

er, said Dr. Larson.

While we were working on the handout, we found it extremely difficult to find meaningful estimates of exposure, dose, and risk for various types of procedures--even in the radiology literature. It is then not surprising that not only do parents underestimate the risk, but so do clinicians and radiologists, he said. When addressing the question of how much does a CT increase the risk of cancer" rather than providing a meaningful basis of comparison, most publications give one of two responses; either the risk is slight or it depends. While both may be accurate, neither are very helpful, he said.

Even though risk estimates are fraught with uncertainty, a reasonable quantitative estimate is an improvement upon slight, said Dr. Larson. If radiologists expect clinicians to have these discussions with their patients, then we need to do a better job discussing this subject amongst ourselves and with clinicians. We believe such information should be straightforward, accurate, and widely available, he said.


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Contact: Necoya Lightsey
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703-858-4304
American Roentgen Ray Society
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