Resources: Page 496

Contrast dose halved in coronary CTA
By Eric Barnes
CHICAGO - Contrast doses for CT angiography (CTA) are too high, but they can be lowered substantially with the right equipment and careful attention to technique, according to researchers from Charité University Medical School in Berlin.
December 1, 2009
'Send-to-editor' speech recognition function boosts radiologist productivity
By Erik L. Ridley
CHICAGO - Speech recognition is often maligned as a technology that improves radiology report turnaround time at the expense of reduced radiologist efficiency and satisfaction. But a research team has found that radiologists who occasionally send reports to editors for transcription are significantly more productive.
November 30, 2009
3D software boosts diagnostic accuracy for Alzheimer's
By Wayne Forrest
CHICAGO - 3D stereotactic surface projection (3D-SSP) software enhances the diagnostic accuracy and confidence of both beginner and expert radiologists when interpreting FDG-PET scans of patients with mild cognitive impairment or Alzheimer's disease, according to a study from the Mayo Clinic in Rochester, MN.
November 30, 2009
New MRI scanners, 3D platform are Siemens RSNA highlights
By Brian Casey and Wayne Forrest
CHICAGO - A brace of new MRI scanners, new advanced visualization and PACS software, and new advances in CT, women's imaging, and ultrasound are highlights in the RSNA booth of Siemens Healthcare at this year's conference.
November 30, 2009
2009 12 02 12 01 09 663 Siemens Via
Emergency rooms struggle to find wayward can tabs
By Edward Susman
CHICAGO - The aluminum can industry's attempt to keep those ubiquitous tab openers from being inadvertently swallowed hasn't prevented the youth of America from accidentally ingesting them, causing challenges for radiologists.
November 30, 2009
2009 12 01 10 10 23 15 Donnelly2 150
DBT reduces false-positive rate by 41% in screening setting
By Kate Madden Yee
CHICAGO - Digital breast tomosynthesis (DBT), when combined with a patient's digital mammography priors, can reduce the screening false-positive rate by 41%, according to a study presented Monday at the RSNA annual meeting.
November 30, 2009
Coronary CTA edges CMR in a tight race
By Eric Barnes
CHICAGO - In a head-to-head comparison of two closely watched modalities, low-dose dual-source coronary CT angiography (CTA) outperformed cardiac MR (CMR) in sensitivity, specificity, and negative predictive value. But 1.5-tesla CMR countered with better specificity and positive predictive value.
November 30, 2009
2009 11 30 15 50 18 952 Donati thumb 11 09
Medical apps on iPhone demonstrate value, potential
By Erik L. Ridley
CHICAGO - Image viewing applications such as the popular OsiriX software might seem like a natural choice for radiologists seeking to outfit their iPhones for professional use. But other types of medical apps -- and those still to come -- also offer much potential value, according to research presented Monday at the 2009 RSNA meeting in Chicago.
November 29, 2009
3-tesla MRI, CT upgrades pace Toshiba RSNA launches
By Brian Casey
CHICAGO - Its new foray into 3-tesla MRI and new upgrades to its CT technology are among the highlights in the RSNA booth of Toshiba America Medical Systems at this year's conference.
November 29, 2009
2009 12 02 12 17 50 732 Toshiba Aquilion Thumb
Scientific poster digital format offers potential to transform medium
By Cynthia E. Keen
CHICAGO - Displaying scientific posters in digital format at this year's RSNA meeting allows authors not only to convey facts, graphs, and photos, but also to incorporate some interactive functionality. Onsite digital displays offer huge potential to educate readers in ways that even the best developed paper poster cannot.
November 29, 2009
RSNA 1999: Change is name of the game on RSNA show's exhibit floor
By Brian Casey and Eric Barnes
As part of a celebration of its 10-year anniversary, AuntMinnie is taking another look at notable articles that have run on the site over the past decade. This story describes new product introductions on the technical exhibit floor from the 1999 RSNA meeting.
November 29, 2009
2009 11 30 12 45 02 639 10th Bug 3
High-pitch DSCT offers speedy images equivalent to slow scans
By Eric Barnes
CHICAGO - High-pitch dual-source CT (DSCT) scans speed up scanning without harming image quality in most applications, say researchers from the Mayo Clinic in Rochester, MN.
November 29, 2009
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