The Use of Computed Tomography in Pediatrics and the Associated Radiation Exposure and Estimated Cancer Risk

Increased use of computed tomography (CT) in pediatrics raises concerns about cancer risk from exposure to ionizing radiation.To quantify trends in the use of CT in pediatrics and the associated radiation exposure and cancer risk.Retrospective observational study.Seven US health care systems.The use of CT was evaluated for children younger than 15 years of age from 1996 to 2010, including 4 857 736 child-years of observation. Radiation doses...