Radiology News
JAMA IM: Older high-risk patients still getting cancer screenings
August 20, 2014 -- A substantial number of patients 65 years or older with limited life expectancy still receive routine screenings for cancer, despite the fact that they are unlikely to benefit from treatment procedures, according to a study published online August 18 in JAMA Internal Medicine.
CT, MRI use declined in ED after 2007
August 20, 2014 -- After a period of rapid increase from 1993 to 2007, use of medical imaging in the emergency department (ED) declined, mostly because of decreased utilization of CT and MRI, according to a new study published this month in the American Journal of Roentgenology.
Robot-assisted remote echocardiography shows promise
August 20, 2014 -- Can an ultrasound scanner be controlled robotically by an operator thousands of miles away? It's not just a dream, according to researchers who demonstrated the feasibility of robot-assisted echocardiography in a pair of articles published recently in JACC: Cardiovascular Imaging.
MRI points to brain benefits of exercise for kids
August 20, 2014 -- Diffusion-tensor MR images have confirmed that aerobically fit children have more favorable white-matter tracts in their brains than their less fit peers, thus improving their chances for greater cognitive function.
Decade of lung CAD brings insight, but little daily use
August 19, 2014 -- Computer-aided detection (CAD) is known to boost radiologist performance in the detection of lung nodules, and radiologists certainly need the help. But despite a decade of fine-tuning and some powerful new capabilities, CAD systems haven't found a place in daily practice at most imaging facilities
Who is the better radiologist?
August 19, 2014 -- If you were a patient, which radiologist would you rather have reading CT scans: the methodical but thorough plodder who orders lots of follow-up studies or the decisive reader who occasionally misses pathology? Would your answer change if you were an administrator? Or a referring physician? Dr. Saurabh Jha explores these questions.
Software extracts ROI values on PACS viewers
August 18, 2014 -- Optical character recognition software can automatically and reliably capture region-of-interest (ROI) values from images displayed on PACS viewers, potentially yielding significant time savings for radiologists, according to research published online in Academic Radiology.
MRI histogram analysis predicts bladder tumor aggressiveness
August 15, 2014 -- Sophisticated histogram-based measurements of diffusion on MRI scans can predict bladder tumor aggressiveness noninvasively, according to a new study in Abdominal Imaging. The results could potentially help clinicians tailor therapy to individual patients, and even help predict which patients' tumors will metastasize.
Study shows combined thoracic CT use has dropped
August 14, 2014 -- Combined CT scans of the thorax -- which Medicare has been keeping an eye on -- aren't being overused after all. In fact, use of the combined scans is low and falling over time, according to a new study in the Journal of the American College of Radiology.
MRI finds 2nd cancers after breast conservation therapy
August 14, 2014 -- Women who have had breast conservation therapy have an increased risk of developing second breast cancers, and they require careful tracking. But which modality is most effective? MRI, according to a new study published in Radiology.
Interventional radiologists need to follow shielding protocols
August 13, 2014 -- Patients must be protected from unnecessary radiation exposure, but what about radiologists who perform interventional exams, particularly CT-guided procedures? German researchers found that radiologists have a low risk of overexposure -- if appropriate precautions are taken.
AHRA: Evidence-based medicine requires evidence-based management
August 12, 2014 -- As the U.S. government tries to improve the way healthcare is delivered, the talk is all about evidence-based medicine. But shifting to this framework won't help unless radiology departments are managed the same way, according to a presentation at the AHRA annual meeting in Washington, DC.
MRI tracks early brain development in newborns
August 12, 2014 -- For the first time, researchers are using MRI to calculate the volume of multiple brain regions in newborns to investigate how those areas develop based on gender, gestational period, and other factors in the first 90 days of life.
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