Study Warns of Long-Term Cancer Risk from Medical Imaging in Children
A recent study published in the New England Journal of Medicine has raised concerns about the long-term health effects of radiation exposure from medical imaging on children and adolescents. The research, led by an international team, suggests that even low doses of radiation can increase the risk of blood cancers among us.
The study, involving over 3.7 million children, found that 2,961 cases of hematologic cancers were diagnosed during an average follow-up period of 10.1 years. It was estimated that 10.1% of these cancers may be attributable to radiation exposure from medical imaging procedures. The risk was found to be higher among those exposed to greater doses. For instance, the excess cumulative incidence of hematologic cancers by 21 years of age was 25.6 per 10,000 among children exposed to at least 30 mGy, and 40.8 per 10,000 among those exposed to 50 to 100 mGy.
The study emphasizes the importance of careful consideration and minimization of radiation exposure during pediatric imaging. Even low doses, less than 50 mGy, were associated with an increased risk of hematologic cancer. This highlights the need for healthcare professionals to balance the benefits and risks of medical imaging for children and adolescents.
The study's findings underscore the importance of radiation protection in pediatric imaging. While the absolute risk remains small, the potential long-term effects are significant. Further research is needed to better understand and mitigate these risks, ensuring that children receive the best possible care without compromising their future health.
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