CT scan radiation increases cancer
a recent analysis found that a lifetime cancer risk attributable to CT scans could encompass up to 5% of all new cancer diagnoses annually (see radiation exposure CT death rate JAMAintmed2025 in dropbox, or doi:10.1001/jamainternmed.2025.0505). thanks to ian huntington for bringing this to my attention Details : -- about 93 million CT scans (computed tomography) are performed on 62 million patients annually in the US, and these scans are associated with carcinogenic ionizing radiation -- the assessment below is based on patient-level data from the University of California San Francisco International CT Dose Registry, a conglomerate of CT scans from 143 US hospitals and outpatient facilities associated with 22 healthcare organizations in 20 states -- each exam was captured in the Digital Imaging and Communications in Medicine (DICOM) metadata which included patient’s age, sex, effective diameter of the body part imaged, scanner type, exam name and description, ...