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7 Μαΐ 2024 · The low doses of radiation used in CT scans have not been shown to cause long-term harm. But for repeated scans, there may be a small increase in the lifetime risk of cancer. This can affect children more than adults. CT scans have many benefits that outweigh any small risk.
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Are imaging examinations safe? Exposure to medical imaging that uses X-rays or gamma rays (radiographs, fluoroscopes, CT scans, and nuclear medicine) potentially may increase the risk of a cancer occurring later in life. Because the doses of radiation given in medical imaging are low, it is not possible to provide an accurate estimate of risk.
In this article, common questions about CT scanning and radiation are answered to provide physicians with accurate information on which to base their medical decisions and respond to patient questions.
5 Οκτ 2015 · Dr. McCollough wrote “Answers to Common Questions About the Use and Safety of CT Scans,” which was published Oct. 1 in Mayo Clinic Proceedings as a Q&A in an effort to provide credible, balanced information about how much radiation a CT scan delivers and what levels are considered safe.
On completion of this article, you should be able to (1) recognize the doses of common medical imaging studies, (2) recognize which patients may be at increased risk from radiation, and (3) be familiar with the evidentiary base for determining excess cancer risks from low-dose radiation.
among patients and some medical professionals that CT scans increase cancer risk remains unreasonably high. In this article, common questions about CT scanning and radiation are answered to provide phy-sicians with accurate information on which to base their medical decisions and respond to patient questions.
21 Δεκ 2018 · DEAR MAYO CLINIC: At what level does radiation exposure from X-rays and other medical imaging increase the risk of getting cancer in the future? ANSWER: While there are wide-ranging benefits to modern X-ray imaging technology, you are correct that there also are risks.