Forbes April 19, 2025
CT examinations in America could result in 103,000 future cancers, which would account for 5% of all new cancer diagnoses, according to a study published in JAMA Internal Medicine.
The study examined a risk model through a multicenter sample of CT exams over a 3 year period from the University of California San Francisco International CT dose registry. The authors of the study estimated over 100,000 cancers would result from 93 million scans performed in 2023 alone.
CT scans do use ionizing radiation, as opposed to other imaging modalities such as MRI and ultrasound which do not. It is also well known that ionizing radiation is a clear risk factor for many cancers including the lung, breast, colon and blood...
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