December 2, 2008 DiagnosticImaging.com. Noncontrast MR angiography creates equivalent image quality to contrast By Rebekah Moan Noncontrast MR angiography provides an alternative to the more common contrast-enhanced MRA administered with a gadubutrol-based agent, according to a report presented at the RSNA meeting Tuesday morning. Dr. Christopher Francois, an assistant professor of radiology at the University of Wisconsin, and colleagues imaged 12 healthy volunteers and 51 patients with a 3D…
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December 2, 2008 Moola gets reports flying out the door By Donna Domino When offered $5000 bonuses, motivated residents at Massachusetts General Hospital completed scan signoffs in a fraction of the usual time. A study showed that turnaround times decreased from 19 hours to five within a year in the pay-for-performance incentive.
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December 2, 2008 DiagnosticImaging.com. Infinitt launches advanced viz package By Greg Freiherr Web-PACS and IT developer Infinitt North America unveiled at RSNA 2008 a software tool that uses 3D and other postprocessing techniques to improve visualization and analysis of coronary vessels. The package, called Xelis Cardiac, is the latest to join the company’s family of software modules built for specialized processing. It includes a Vessel Analysis package that allows one-click auto vessel…
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December 2, 2008 DiagnosticImaging.com. Gymnastic complaints extend beyond common growth plate injuries By Christiana Schmitz Adolescent gymnasts are developing a wider variety of arm, wrist, and hand injuries than previously described in gymnast-related medical literature, according to a retrospective review presented Monday at the RSNA meeting. Of the 125 patients studied, researchers isolated the MRIs of 12 gymnasts aged 12 to 16. The images revealed a pattern of injury that spanned far…
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December 2, 2008 DiagnosticImaging.com. Greater surgical precision possible with fMRI requires team approach By Donna Domino A neuroradiologist, a neurosurgeon, and a radiological technologist explained to an RSNA audience how working together to analyze fMR scans has significantly helped them pinpoint hard-to-reach brain tumors and plan delicate surgery, resulting in improved surgical outcomes. The trio, all based at the University of Wisconsin School of Medicine and Public Health in Madison,…
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December 2, 2008 DiagnosticImaging.com. GE unveils thin-client 3D system By Greg Freiherr After two years of R&D, GE Healthcare released at RSNA 2008 a thin-client server to support 3D visualization on PCs. The new AW (Advantage Workstation) Server allows access to and postprocessing of prior exams, according to GE. Its Smart Compression feature allows diagnostic review of full-fidelity static images, according to the company. …
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December 2, 2008 DiagnosticImaging.com. GE launches low-dose LightSpeed VCT By Greg Freiherr A new configuration of GE Healthcare’s LightSpeed VCT cuts dose by up to 40% during routine imaging, according to the company. The XTe configuration, shown at the RSNA meeting, is the latest development in the 64-slice VCT product line launched in 2004. Previously the company introduced its SnapShot Pulse, a prospective gating technique for reducing dose when doing cardiac exams. …
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December 2, 2008 DiagnosticImaging.com. Fellows learning coronary CTA come up to speed slowly By Donna Domino Physicians who are experienced in performing multislice coronary CT angiography can diagnose better, but acquiring the expertise is a time-consuming effort. Researchers from the Netherlands conducted a study to evaluate the effect of experience with coronary CTA, which is becoming a practical alternative to conventional angiography, on the ability to detect more than 50% of coronary…
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December 2, 2008 DiagnosticImaging.com. Fellows learning coronary CTA come up to speed slowly By Donna Domino Physicians who are experienced in performing multislice coronary CT angiography can diagnose better, but acquiring the expertise is a time-consuming effort. Researchers from the Netherlands conducted a study to evaluate the effect of experience with coronary CTA, which is becoming a practical alternative to conventional angiography, on the ability to detect more than 50% of coronary…
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December 2, 2008 DiagnosticImaging.com. Database mining shows CT scans stable in children, climbing in adults By John C. Hayes Researchers using a massive database of radiology reports to identify 10-year trends in scanning practices found mixed results. The good news: CT scans of children increased only slightly. In adults, however, they increased more than 50%, with abdominal and chest scans leading the way. The study was reported Monday in an informatics scientific session that focused…
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December 2, 2008 DiagnosticImaging.com. Critical results findings: Prototype system tells you whom to call By John C. Hayes A prototype system developed by the University of Maryland was able, for a time at least, to dramatically boost and document the communication of critical results findings, according to a presentation Tuesday. It's since been sent back to the drawing board for more work, but points to a solution to a problem that vexes radiologists nationwide. Documenting the communication…
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December 2, 2008 DiagnosticImaging.com. Core64, Core320 coronary CTA trials cross paths at meeting By James Brice The 2008 RSNA meeting serves as a reference point of sorts for two important trials testing the clinical efficacy of multislice cardiac CT. Results from the Core64 trials of 64-slice coronary CTA were published Nov. 28 in the New England Journal of Medicine while plans for a Core320 trial were announced in Chicago at the RSNA show. Though sponsored by Toshiba America Medical…
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December 2, 2008 DiagnosticImaging.com. Awkward, illegal patient info sneaks into PowerPoint files By Philip Ward Radiologists should take much greater care over the patient information contained in their PowerPoint files, according to researchers from the University of Michigan. "Think twice before publicly releasing PowerPoint files," said Frank Londy, RT(R), lead author of an informatics education exhibit at RSNA 2008. "Review common locations for hidden PHI (private health information)…
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December 1, 2008 DiagnosticImaging.com. Black women stand to gain most from breast MRI By Philip Ward Breast MRI can have a positive impact on clinical decision making for African American women with newly diagnosed breast cancer, leading to wider excisions and mastectomies, according to a new study carried out in Ohio. Age is also a factor. "Younger women are significantly more likely to change their therapeutic management on the basis of MRI findings than their older counterparts," said Dr.…
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December 1, 2008 DiagnosticImaging.com. Autistic children demonstrate measurable sound processing delays By Christiana Schmitz Magnetoencephalography technology used to study abnormalities in auditory and language processing of autistic children has demonstrated measurable delays, according to a study presented at the RSNA meeting. The study, funded by the National Institutes of Health and the Nancy Lurie Marks Family Foundation, subjected 64 autism patients, aged six to 15, to audio…
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December 1, 2008 Diagnostic Imaging. Vol. 30 No. 12 Are the changes beneficial or even needed? Journals take up dispute over certification exam revisions, length of residency The wide-ranging debate within the pages of two of radiology's leading peer-reviewed journals includes proposals for yet another dramatic approach to reforming the residency and testing process: cutting residency to three years and moving clinical training to a year of fellowship. Writing in the November issue of the…
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December 1, 2008 Diagnostic Imaging. Vol. 30 No. 12 Age bows out as factor for recurrence in DCIS patients Younger women with ductal carcinoma in situ have traditionally been held to have a higher risk of recurrence than older women with the condition. A new study from Fox Chase Cancer Center in Philadelphia, however, challenges this view. Dr. Aruna Turaka and colleagues examined 440 patients with DCIS. All patients received whole-breast radiotherapy, and 95% received additional radiation to…
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December 1, 2008 DiagnosticImaging.com. Younger ER pulmonary embolism patients could avoid radiation risk By Donna Domino More stringent criteria to evaluate emergency room patients under 40 years of age with suspected pulmonary embolism could decrease radiation exposure while also saving time and money, according to research presented at the RSNA meeting. Approximately $282,500 could be saved annually if different evaluations were used, said Dr. Wendy Silcox, a radiologist at St. Luke's…
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December 1, 2008 Diagnostic Imaging. Vol. 30 No. 12 Wine-based antioxidant may shield against radiation What could be better? A little wine, a little cheese—with a side of radiation protection. University of Pittsburgh researchers are studying the radiation protective properties of resveratrol, a natural antioxidant commonly found in red wine and many plants. Dr. Joel Greenberger and colleagues at Pitt's Center for Medical Countermeasures Against Radiation found that resveratrol,when altered…
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December 1, 2008 Diagnostic Imaging. Vol. 30 No. 12 Ultrasound unveils source of stump pain in amputees Inexpensive, interactive sonography scanning could beat limitations of accurate but costly MRI exams High-resolution sonography can accurately detect the causes of residual limb pain in amputees, according to British researchers, who found that ultrasound can guide proper treatment and rehabilitation, help educate patients about their condition, and even help with design and fitting of…
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