CT: Page 390

High-pitch chest CT captures fast-moving babies
By Eric Barnes
VIENNA - High-pitch chest CT is a robust technique that provides high-quality thoracic images of babies in motion -- quickly, without sedation, and at low radiation doses -- according to a study presented at the European Congress of Radiology.
March 5, 2011
Radiographer's role grows in planning, image interpretation
By Eric Barnes
VIENNA - As radiographers in Europe increasingly take over tasks once reserved for radiologists, investigators continue to find that their skills are often equivalent to if not better than those of their physician partners, according to two radiography presentations Saturday at the European Congress of Radiology.
March 4, 2011
High-pitch DSCTA often repeated, but dose still lower
By Eric Barnes
VIENNA - Nearly one in five coronary CT angiography scans acquired with an emerging high-pitch dual-source CT angiography (DSCTA) protocol needs to be repeated. But the low-dose acquisitions possible mean even repeated scans have lower overall doses than comparable 64-detector-row CTA scans, researchers reported at the European Congress of Radiology.
March 3, 2011
CT limited for detection of subtle aortic tears
By Eric Barnes
VIENNA - Even with electrocardiographic gating, CT angiography cannot confidently visualize subtle aortic tears of the ascending aorta. Transesophageal echocardiography may be a better option in some patients, according to a presentation Thursday at the European Congress of Radiology.
March 2, 2011
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iPhone suitable for reading virtual colonoscopy studies
By Erik L. Ridley
VIENNA - Although it requires longer interpretation times, an iPhone can be successfully used for preliminary reading of virtual colonoscopy studies, according to research presented Thursday at the European Congress of Radiology.
March 2, 2011
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Virtual colonoscopy use rises in U.S. hospitals
By Eric Barnes
Medicare doesn't cover most virtual colonoscopy exams, but the lack of reimbursement hasn't stopped more and more hospitals from offering the service, concludes a new study in the March Journal of the American College of Radiology.
March 1, 2011
NY Times probes infant overradiation, regulatory gaps
By Cynthia E. Keen
The New York Times lambasted the U.S. Congress in a front-page article for its failure over the past 12 years to enact legislation that would establish uniform training and certification requirements for radiologic technologists, medical physicists, and 10 other occupations in medical imaging and radiation therapy.
March 1, 2011
Direct patient contact could improve radiology's visibility
By Kate Madden Yee
Patients want CT and MR imaging results sooner than they're currently getting them, but they don't care whether results are communicated by radiologists or referring physicians, according to a new study published in the March issue of the American Journal of Roentgenology.
February 28, 2011
Dynamic cardiac CT stress perfusion equivalent to MRI
By Eric Barnes
Cardiac MRI may be the gold standard for evaluating myocardial perfusion, but there's no reason CT can't eventually take over much of MRI's workload in patients suspected of coronary artery disease, say researchers from the Medical University of South Carolina and two other centers.
February 28, 2011
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NIH summit mulls methods to lower CT dose
By Eric Barnes
In the quest for the sub-mSv CT exam, a number of methods can be called upon to reduce CT dose, presenters said in a summit sponsored by the U.S. National Institutes of Health (NIH), the American College of Radiology, and the Coalition for Imaging and Bioengineering Research.
February 24, 2011
Dialysis patients at higher risk from multiple CT scans
By Eric Barnes
Dialysis patients receive more frequent medical imaging exams, particularly CT, and hence more radiation exposure than the population as a whole, putting them at increased risk of developing cancer, according to a new study in the Journal of the American Society of Nephrology.
February 24, 2011
New data show worrisome use of imaging for prostate cancer
By Edward Susman
New research presented at this month's Genitourinary Cancers Symposium in Orlando, FL, indicates that imaging could be both overused and underused for prostate cancer patients, generating millions in unnecessary costs while also depriving some high-risk men of the benefits of imaging.
February 24, 2011
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