image testing

Imaging tests: Using them wisely

Ashish K. Jha, MD, MPH

Contributing Editor

CT scans, MRIs, and PET scans are among the many advanced imaging options available to doctors and patients today. Although these tests have revolutionized medical care, they also come at a cost. But not only are these tests expensive — many of them expose patients to radiation, and all of them can reveal potential problems that turn out to be harmless, but require follow-up tests to be sure. Rather than have insurance companies act as gatekeeper, it may be more effective to have clinicians consult with imaging experts when deciding on which, if any, tests are necessary.