Study: IMRT for prostate cancer may be overused
April 12, 2012 -- A study published in the April issue of Health Affairs comparing two types of effective radiotherapy treatments for prostate cancer found that intensity-modulated radiation therapy (IMRT), the more expensive of the two, may be overused.
FDA panel recommends approval for ABUS for breast screening
April 11, 2012 -- The first U.S. Food and Drug Administration (FDA) approval for an automated breast ultrasound (ABUS) system in breast cancer screening applications moved closer to reality after an FDA panel voted to recommend approval of U-Systems' somo.v system for use in screening of women with dense breasts.
Routine CT lung cancer screening a low-cost lifesaver
April 11, 2012 -- Routine CT lung cancer screening of high-risk individuals would save thousands of lives per year for less than a dollar a month per patient if it were implemented throughout the U.S. -- and would be even cheaper than breast screening, concludes a new study in the April issue of Health Affairs.
Taiwan study offers insight into reasons for repeat imaging
April 11, 2012 -- Repeated imaging scans are a big contributor to rising healthcare costs. Researchers from Taiwan investigated the phenomenon in a study of 2 million patients, and offer guidelines for appropriate repeat rates in a study in the April issue of the American Journal of Roentgenology.
Study links frequent dental x-rays with brain tumors
April 10, 2012 -- People who have received frequent dental x-rays have an increased risk of developing meningioma, according to a case-control study examining the correlation between dental x-rays and meningioma. The findings support the need for practitioners to exercise their best professional judgment when determining whether an imaging study is a diagnostic necessity.
U-Systems awaits FDA panel review of ABUS for screening
April 10, 2012 -- Ultrasound developer U-Systems hopes Wednesday's meeting of the U.S. Food and Drug Administration's Radiological Devices Panel will be a big step forward in its bid to be the first vendor to receive approval to market an automated breast ultrasound (ABUS) system for screening applications in women with dense breasts.
Late gadolinium enhancement, cardiac MRI show value
April 10, 2012 -- Late gadolinium enhancement through cardiac MRI can help predict adverse cardiovascular events among hypertrophic cardiomyopathy patients, according to a study scheduled for publication in the April 17 addition of the Journal of American College of Cardiology.
MESA: Metabolic syndrome, diabetes boost CAC, cardiac events
April 9, 2012 -- People with metabolic syndrome and/or diabetes mellitus have greater progression of coronary artery calcium (CAC) than those without the conditions, and the degree of progression in CAC predicts the risk of future cardiac events, according to a study in the Journal of the American College of Cardiology.
'Fatter' phantoms expose radiation's burden on the obese
April 9, 2012 -- It is well known that medical radiation dose is greatly affected by patient size, but less well known is the impact of other factors like fat composition. Authors of a new study in Physics in Medicine and Biology got a better handle on dose by creating phantoms that approximate the body habitus of overweight patients.
Imaging devices present hidden security risks
April 6, 2012 -- At an Ohio hospital recently, a member of the radiology department staff received an email from her boyfriend that included spybot software. When she opened the email on a computer at the facility, thousands of patient reports and images began downloading. Don't let this be you.
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