fMRI finds brain changes from violent video games November 30, 2011 -- CHICAGO - Just one week of playing a violent video game produced measurable differences in blood flow to select areas of the brain on functional MRI (fMRI), which may explain why game playing has been linked to behavioral changes in some people.
Easy 1-day VC prep delivers high sensitivity November 30, 2011 -- CHICAGO - Virtual colonoscopy using a same-day bowel preparation showed high diagnostic accuracy and equally high patient satisfaction in a study from Italy presented on Wednesday at the RSNA 2011 meeting.
Baseline mammogram callback rates too high, study finds November 30, 2011 -- CHICAGO - Recall rates for baseline screening mammograms are too high and could affect women's future compliance with screening, according to research presented Wednesday morning at the RSNA 2011 meeting.
ACR's CT dose registry goes for quality, quantity November 30, 2011 -- CHICAGO - The American College of Radiology's (ACR) Dose Index Registry pilot project has already amassed a critical number of studies, while developing ways to keep the data accurate despite wide variations in practice patterns and study nomenclature, according to a Wednesday presentation at RSNA 2011.
Frequent soccer 'heading' may cause brain injury November 30, 2011 -- CHICAGO - Too much "heading" a soccer ball could result in brain abnormalities similar to those found in traumatic brain injury patients, researchers from New York found in a study using diffusion-tensor MRI.
MRI shows fish-filled diet helps lower Alzheimer's risk November 30, 2011 -- CHICAGO - MR images suggest that eating baked or broiled fish on a weekly basis can reduce the risk of developing mild cognitive impairment and Alzheimer's disease, according to research presented on Wednesday at the RSNA 2011 show.
DBT helps detect, characterize dense tissue masses November 30, 2011 -- CHICAGO - Digital breast tomosynthesis (DBT) shows promise in detecting and characterizing masses, particularly in women with dense breast tissue, researchers said in a Tuesday session at the RSNA meeting. But the technology still has some important areas for growth.
Data-mining tool identifies overexposed chest x-rays November 30, 2011 -- CHICAGO - Taking a high-quality portable chest x-ray can be difficult, leading to an overexposed image when digital radiography equipment is used. One solution to reduce overexposures is a new data-mining tool, according to a Tuesday presentation at the RSNA 2011 meeting.
Study backs mammography screening in women under 50 November 29, 2011 -- CHICAGO - In a study of women ages 40 to 49 screened with mammography, the risk of finding invasive breast cancer was similar regardless of whether a woman had a family history of the disease, indicating that this age group would benefit from annual screening.
FDG-PET is cost-effective 1st imaging option for dementia November 29, 2011 -- CHICAGO - FDG-PET is more cost-effective in an initial workup of dementia patients, while amyloid PET imaging is more cost-effective as the secondary imaging option in a tertiary care setting, according to a study presented on Monday at the RSNA 2011 conference.