Large Multinational Study Shows Link Between CT Radiation Exposure and Brain Cancer in Children and Young Adults

December 9, 2022, Jeff Hall

In a new study based on five- to six-year follow-up data from over 650,000 children and young adults who had at least one computed tomography (CT) exam prior to the age of 22, researchers found a “strong dose-response relationship” between increased CT radiation exposure and brain cancer.

Increased cumulative exposure to radiation from computed tomography (CT) exams led to elevated risks for developing gliomas and other forms of brain cancer in children and young adults, according to the findings of a large multinational study of data from over 650,000 patients.

In the study, recently published in theLancet Oncology, researchers reviewed pooled data from nine European countries and a total of 658,752 patients. All study participants had at least one CT exam prior to the age of 22 with no prior cancer or benign brain tumor, according to the study. Examining follow-up data…

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