CT Scans: Too Much Of A Good Thing Can Be Risky

News — By on April 24, 2009 at 5:13 am

Patients who undergo numerous CT scans over their lifetime may be at increased risk for cancer, according to a study published in the April issue of Radiology. “We found that while most patients accrue small cumulative cancer risks, 7 percent of the patients in our study had enough recurrent CT imaging to raise their estimated cancer risk by 1 percent or more above baseline levels,” said Aaron Sodickson, M.D., Ph.D., assistant director of Emergency Radiology at Brigham and Women’s Hospital and researcher at the Center for Evidence-Based Imaging in Boston. “The techniques implemented in our study can be used to identify higher risk patients who might benefit from enhanced radiation protection efforts.” CT has proven to be a valuable cl…

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