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November 2008 Blog Posts (124)

Reverse-auction process for teleradiology creates a stir

November 4, 2008 Reverse-auction process for teleradiology creates a stir By Rebekah Moan A new eBay-like model for radiologists in which the lowest bid wins a contract has alarmed some people. They cite patient safety and quality as concerns, while others claim this move is the next step for radiology. Neuroradiologist Dr. Daniel Roubein launched Telerays in October. Hospitals and imaging centers post their requests for reads on the HIPAA-compliant website of the Houston-based business, and… Continue

Added by Diagnostic Imaging on November 4, 2008 at 10:30pm — No Comments

New Study reinforces the power of CT to help answer questions in child abuse

A study published recently in the October issue of Pediatrics suggests that there might be many clinical markers that can help in distinguishing abusive from non-abusive head trauma particularly in young children. In this study the researchers from Japan compared characteristics of both abusive and non-abusive head trauma where computed tomography was widely and more easily available.

Dr. Takeo Fujiwara from the National Institute of Public Health in Saitama, Japan and his colleagues… Continue

Added by radRounds Radiology Network on November 4, 2008 at 3:29pm — No Comments

Multicenter trial confirms value of coronary CT angio

November 2, 2008 Diagnostic Imaging. Vol. 30 No. 11 Multicenter trial confirms value of coronary CT angio Negative predictive rate of 99% rules out disease in patients at intermediate risk of adverse event A 16-center clinical trial has put to rest lingering questions about the ability of 64-slice cardiac CT angiography to diagnose coronary artery disease for intermediate-risk patients. The ACCURACY Trial confirmed the positive findings of numerous single-center trials that preceded it, said… Continue

Added by Diagnostic Imaging on November 2, 2008 at 10:30pm — No Comments

Thin-client architecture taps 3D viewing for enterprise

November 1, 2008 Diagnostic Imaging. Vol. 30 No. 11 Thin-client architecture taps 3D viewing for enterprise BY DOUGLAS PAGE Mr. Page is a contributing editor to Diagnostic Imaging. In a foundering national economy, it isn't surprising that capital budget constraint has become a huge issue in medical imaging. From this financial pinch, two subtrends have emerged in the area of 3D advanced visualization. First is the demand for thin-client servers that allow distribution of advanced visualization… Continue

Added by Diagnostic Imaging on November 1, 2008 at 11:30pm — No Comments

Tech advisor CT vendors plot strategies for growth

November 1, 2008 Diagnostic Imaging. Vol. 30 No. 11 Tech advisor CT vendors plot strategies for growth By Greg Freiherr CT vendors have diverged this year as never before, choosing technological paths to new generations of scanners that reflect their own particular engineering strengths and history of R&D. Core developments by each have translated into novel capabilities. Software and mechanical fixes have countered weaknesses. This collection of articles produced by the vendors provides a… Continue

Added by Diagnostic Imaging on November 1, 2008 at 11:30pm — No Comments

Diagnostic Imaging North America - November 2008

November 1, 2008 Diagnostic Imaging North America - November 2008 COVER STORY By: James Brice * Prior authorization takes command DEPARTMENTS Agenda By: John C. Hayes * New staffers come up to speed just in time for RSNA meeting Overread * Elite medical facilities ban commercial support of CME * MRA finds value in hydrocephalus interventions * Multicenter trial confirms value of coronary CT angio * Dynamic breast MRI helps assess axillary nodes * Carotid US predicts heart attack, stroke *… Continue

Added by Diagnostic Imaging on November 1, 2008 at 11:30pm — No Comments

Diagnostic Imaging Europe - November 2008

November 1, 2008 Diagnostic Imaging Europe - November 2008 Cover Story * Calcium scoring, coronary CTA display strengths By: Gudrun M. Feuchtner, M.D., and Tony Defrance, M.D. Imaging News * Guidelines map imaging strategy to address cases of child abuse * Zerhouni announces resignation as research chief * European hospitals take action to avoid acute isotope shortage * CT proves its worth for investigating bowel obstruction * German expert looks to future in speech at world congress * Case of… Continue

Added by Diagnostic Imaging on November 1, 2008 at 11:30pm — No Comments

CT summation bolsters RFA's targeting accuracy

November 1, 2008 Diagnostic Imaging. Vol. 30 No. 11 CT summation bolsters RFA's targeting accuracy Merging multiple CT images increases the accuracy of probe repositioning during radiofrequency ablation treatments of various lesions, according to a recent study performed at Dartmouth-Hitchcock Medical Center. Author Dr. John M. Gemery, an assistant professor of vascular and interventional radiology at Dartmouth, successfully treated 40 patients using CT summation. The method allows for three or… Continue

Added by Diagnostic Imaging on November 1, 2008 at 11:30pm — No Comments

CT proves clinical worth in bowel obstruction cases

November 1, 2008 Diagnostic Imaging. Vol. 30 No. 11 CT proves clinical worth in bowel obstruction cases Two and a half years worth of data suggest that CT is the most accurate, cost-effective imaging modality for diagnosing the causes of large bowel obstruction, according to investigators in the U.K. Principal researcher Dr. Sathi Sukumar, a consultant radiologist at the University Hospital of South Manchester, and colleagues retrospectively reviewed 2400 CT reports on inpatient cases of… Continue

Added by Diagnostic Imaging on November 1, 2008 at 11:30pm — No Comments

CR prepares to challenge solid-state digital mammo

November 1, 2008 Diagnostic Imaging. Vol. 30 No. 11 CR prepares to challenge solid-state digital mammo Price, flexibility advantages could lead to proliferation of systems pending moves for FDA approval By Karen Sandrick Since full-field mammography started going digital eight years ago, systems based on flat-panel arrays have dominated. But computed radiography has begun seeping into that market and, if the FDA allows CR companies to apply for streamlined 510(k) approval of mammography… Continue

Added by Diagnostic Imaging on November 1, 2008 at 11:30pm — No Comments

Strategies can limit imaging fungibility

November 1, 2008 Diagnostic Imaging. Vol. 30 No. 11 Strategies can limit imaging fungibility Bundling, branding, and segmentation and customization will help radiologists By Bruce Reiner, M.D. Dr. Reiner is director of research at the Baltimore VA Medical Center in Maryland. Whether we would like to admit it or not, medical imaging is slowly on its way to becoming a commodity, which has been defined by Wikipedia as "anything for which there is a demand, but which is supplied without qualitative… Continue