Experts reaffirm safety of contrast use for kidney CT
January 21, 2020 -- Concerns over the potential harms associated with intravenous iodinated contrast CT for kidney disease have been overstated, according to a series of consensus statements from the American College of Radiology and the National Kidney Foundation published online January 21 in Radiology.  Discuss
Education affects follow-up for CT lung screening exams
January 21, 2020 -- Individuals with higher education are most likely to have appropriate follow-up of incidental findings after CT lung cancer screening, according to a study published online January 10 in the Journal of the American College of Radiology.  Discuss
Most lung vaping cases linked to informal sources of THC
January 17, 2020 -- The recent outbreak of lung disease linked to vaping appears to be most prevalent in people who vaped THC-containing products obtained from informal sources, such as family, dealers, and online, according to a new report released on January 14 by the U.S. Centers for Disease Control and Prevention.  Discuss
CTA lowers costs, improves outcomes for minor stroke
January 16, 2020 -- Integrating CT angiography (CTA) into the routine clinical evaluation of patients with an acute minor stroke has the potential to lower costs and improve patient outcomes compared with standard medical management, according to a study published online January 14 in Radiology.  Discuss
Executive health programs buck imaging guidelines
January 13, 2020 -- Executive health screening programs at major U.S. hospitals continue to provide CT coronary artery calcium scoring, echocardiography, and other imaging-based screening tests against clinical recommendations, according to a research letter published online January 13 in JAMA Internal Medicine.  Discuss
AI can differentiate small renal masses on CT
January 10, 2020 -- An artificial intelligence (AI) algorithm can accurately differentiate between benign and malignant small solid masses on multiphase contrast-enhanced CT scans, Japanese researchers reported in a study published online January 8 in the American Journal of Roentgenology.  Discuss
CT, MRI payments plummet at private practices
January 9, 2020 -- Medicare reimbursement for CT and MRI exams performed at private practices have decreased dramatically over the past decade for radiologists, and even more so for physicians of other specialties, according to an article published in the January issue of the Journal of the American College of Radiology.  Discuss
Nodules on CT lung screening predict long-term cancer risk
January 9, 2020 -- The presence of noncalcified nodules on CT lung screening exams -- including small, stable nodules -- was associated with increased cancer risk as many as 12 years after baseline screening in a secondary analysis of the National Lung Screening Trial (NLST), published in the January issue of Lung Cancer.  Discuss
4D CT sheds light on post-TAVR treatment strategies
January 8, 2020 -- 4D CT scans showed that an anticoagulant-based treatment strategy was more effective than antiplatelet medication at reducing the risk of valve leaflet abnormalities after transcatheter aortic valve replacement (TAVR) in a recent study, published in the January 9 issue of the New England Journal of Medicine.  Discuss
CT bucks trend of flat imaging use rates
January 3, 2020 -- Diagnostic imaging usage rates in the U.S. have begun to decrease or stabilize in recent years for all imaging modalities with the exception of CT, for which the rate has increased in the last few years, according to an article published online December 31 in Radiology.  Discuss
Special Feature
Video from RSNA 2019: Reducing radiation dose in medical imaging
Video from RSNA 2019: Reducing radiation dose in medical imaging

Is radiology making progress in reducing the radiation dose used in medical imaging exams? Maybe, but there is still much work to be done, according to Dr. Rebecca Smith-Bindman of the University of California, San Francisco. Learn more

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