Big changes are coming to the US health care system—some in response to the mounting scrutiny of medical imaging. New task force recommendations, the Choosing Wisely campaign, and Affordable Care Act policies are all attempting to curtail overtesting—with CT scans, MRIs and any other screening often ordered unnecessarily—that can drive up medical costs, lead to waste and unnecessary radiation, and prompt undue anxiety about false positive results.

Source: Radiologists must become gatekeepers of medical imaging, says Penn Medicine's Saurabh Jha