MR arthrography study finds 'optimal injection site'
October 24, 2008 -- Researchers in Spain are recommending that physicians use the upper third of the humeral head as the optimal injection site for anterior MR arthrography of the shoulder. They also concluded that it is "a simple, rapid procedure that is well tolerated by patients and reduces the radiation dose administered." Read More
Swiss pediatric CT survey leads to national dose standards
October 23, 2008 -- When a child needs a CT exam of the head, chest, or abdomen in Switzerland, pediatricians and parents can be assured that the radiation dose exposure will be identical regardless of the hospital. The country's success in standardizing pediatric CT dose could provide a model for similar efforts under way in the U.S. Read More
MRI used to diagnose complex lung infections in children
October 16, 2008 -- CT is the gold standard for lung imaging, particularly when a chest x-ray lacks the detail needed to make a diagnosis. But CT's far higher radiation dose -- equivalent to 200 chest radiographs -- has some pediatric radiologists looking for an alternative modality, especially for children with chronic lung conditions who may require many CT scans. Read More
Autopsy study confirms low prevalence of adenomas in youth
October 14, 2008 -- A rare autopsy study of more than 3,500 individuals found that the incidence of colorectal adenomas is low in those under 50, but rises sharply in the sixth decade of life. The study, which provides important new information about the natural history of colorectal polyps and cancer in the young, supports current guidelines recommending that screening begin at age 50. Read More
Faster respiratory motion prediction aids radiotherapy
October 10, 2008 -- Respiratory motion compensation algorithms are helping to reduce the irradiation of healthy tissues during radiotherapy by compensating for the patient's breathing during treatment. Researchers from Germany have developed new algorithms that reduce the computational burden of motion-tracking algorithms while maintaining accuracy. Read More
Two-point US exam keeps up with whole-leg US in detecting DVT
October 9, 2008 -- A serial two-point compression ultrasound study produced equivalent performance to whole-leg ultrasound in diagnosing suspected deep vein thrombosis (DVT), according to a large-scale, multicenter trial published in the October 8 issue of the Journal of the American Medical Association. Read More
Norwegian study finds mixed success with electronic reports
October 6, 2008 -- Streamlining the process of delivering radiology reports -- and making them universally accessible -- doesn't guarantee that they'll be read any faster by clinicians. In fact, quite the opposite may occur if human behavior doesn't adapt to the changes imposed by adopting healthcare informatics. Read More
CEUS shines in complex cystic renal masses
October 3, 2008 -- Contrast-enhanced ultrasound (CEUS) bested unenhanced ultrasound and CT for detecting cancer in complex cystic renal masses, according to research from Cattinara Hospital in Trieste, Italy. Read More
Flat-panel FFDM produces better image quality than CR mammography, study says
October 2, 2008 -- A flat-panel full-field digital mammography (FFDM) system produced better image quality than computed radiography-based mammography using digital storage phosphor, according to a study from researchers in Vienna, Austria. Read More
Step-and-shoot mode minimizes dose in dual-source cardiac CT
September 29, 2008 -- The use of a step-and-shoot mode with dual-source CT produced radiation doses under 2 mSv for coronary CT angiography studies of patients with normal heart rates, according to a study in the October issue of Radiology. Read More
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