May 1, 2008 Diagnostic Imaging. Habitat for Humanity beckons to SNM meeting volunteers -------------------------------------------------------------------------------- The molecular imaging community will lend a hand in efforts to rebuild New Orleans during a special event June 13 before the start of the 2008 Society of Nuclear Medicine meeting. IBA Molecular, a radiopharmacy chain in Louvain-la-Neuve, Belgium, has arranged for a day of volunteer construction help through the New Orleans-area…
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May 1, 2008 Google-based search tool mines RIS data Douglas Page -------------------------------------------------------------------------------- Radiology text and image data account for a significant portion of patient electronic medical record information in hospital archives, yet few means exist to aid radiologists in extracting relevant information from these databases. Recent work adds a new data mining tool in the form of a secure Google-based search engine. "Radiologists are just…
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May 1, 2008 Diagnostic Imaging. fMRI predicts response to liver tumor treatment H. A. Abella -------------------------------------------------------------------------------- Contrast enhancement and metabolic changes detected with functional MR imaging can help interventional radiologists anticipate the effects of transarterial chemoembolization on primary and metastatic tumors of the liver. Clinical trials from Johns Hopkins University and Northwestern University come on the heels of a third…
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May 1, 2008 Diagnostic Imaging. Flat polyps raise questions in colon cancer screening Study stirs up dispute among experts over how often CT colonography and other advanced visualization tools miss nonpolypoid neoplasms BY SHALMALI PAL -------------------------------------------------------------------------------- Truly flat or depressed colorectal polyps pose a diagnostic dilemma and are always worth a closer look. A study in the Journal of the American Medical Association may have overstated…
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May 1, 2008 Diagnostic Imaging. Emphasis shifts from detection to diagnosis Breast imaging, lung cancer assessment, and liver intervention tools will all benefit from advances Paula Gould -------------------------------------------------------------------------------- Computer-aided detection and diagnosis tools continue to advance and could at some point become superior to radiologists, presenters from Germany said during a special session at the European Congress of Radiology in Vienna in…
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May 1, 2008 Diagnostic Imaging. Dual-source CT lowers barriers to comprehensive exam James Brice -------------------------------------------------------------------------------- Innovative cardiovascular imagers are driving CT toward a golden era when a single comprehensive imaging exam can answer all the essential questions to diagnose and characterize coronary artery disease and then recommend appropriate treatment. Dr. Balázs Ruzsics and colleagues at the Medical College of South Carolina…
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May 1, 2008 Diagnostic Imaging. Don't skimp on better management in DRA era Value of a skilled manager to flailing practice increases just when times get toughest BY STEVEN R. RENARD -------------------------------------------------------------------------------- Declining reimbursements in outpatient diagnostic imaging pose significant challenges for center operators across the county. What was once a fairly easy business to operate has in many ways become a challenge, especially during the…
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May 1, 2008 Diagnostic Imaging. Display technology advances hold promise for radiology BY DAVID HIRSCHORN, M.D., AND KEVIN CONWAY -------------------------------------------------------------------------------- As display technology evolves, radiology departments are presented with a growing variety of PACS displays with increased brightness, sharper contrast, and improved calibration capability. Two developments on their way to the consumer market are likely to offer significant potential…
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May 1, 2008 Diagnostic Imaging. Diffusion tensor imaging lines up unique view of muscles Early studies correlate structure and function, with potential to guide injury management and disease therapy planning Karen Sandrick -------------------------------------------------------------------------------- Diffusion tensor imaging at 1.5T MRI just was not practical. While MRI at 1.5T could generate diffusion tensor maps, it required lengthy scan times to get resolution decent enough to eliminate…
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May 1, 2008 Diagnostic Imaging. Universal coverage may mean practice changes Side effects could cut two ways as utilization goes up and reimbursement goes down BY KIRK REINITZ, CPA -------------------------------------------------------------------------------- It's not too early to look ahead to 2009 and beyond, at least not during an election year in which healthcare financing reform is a major issue. Trying to predict who the next president will be would be a gamble. Much safer is the bet…
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May 1, 2008 Diagnostic Imaging. Teamwork and preparation create effective reading room Creative thinking and full representation in the design process help avoid common pitfalls when it's time for new PACS implementation BY BRUCE SILVER, M.D., AND KENNETH JOHNSON -------------------------------------------------------------------------------- Numerous studies have shown that poorly designed reading rooms reduce radiologists' productivity, contribute to reporting errors, and increase…
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May 1, 2008 Diagnostic Imaging. SPECT software comparison uncovers inconsistencies Quantitative variances in cardiac lead investigator to call for use of a single package over time -------------------------------------------------------------------------------- Most interpreters of cardiac SPECT use any of three software packages provided by vendors of gamma cameras and PACS: the Quantitative Gated SPECT algorithm from the Cedars-Sinai Medical Center, Emory Cardiac Tool Box from Emory…
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May 1, 2008 Dayhawk teleradiology phenomenon unsettles radiology market Douglas Page -------------------------------------------------------------------------------- The commercial success of nighthawk teleradiology services has spawned an emerging dayhawk teleradiology market. The process is generating a new menace to conventional radiology groups. "The new dayhawk market threatens the very existence of not just some radiologists' lifestyles but even their jobs," said Dr. Giles W. L. Boland,…
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May 1, 2008 CT installed base can handle demand for colon cancer screening H. A. Abella -------------------------------------------------------------------------------- A University of Wisconsin study has found that U.S. hospitals and outpatient clinics have enough excess multislice CT capacity to handle an expected increase in demand for CT screening colonography without adding new equipment. Thousands of CT scanners are used daily for a wide range of medical applications. Results of large…
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May 1, 2008 Diagnostic Imaging. CT industry prepares for 2008 rebound after last year's rout -------------------------------------------------------------------------------- Shrinking prices for 64-slice products offer bargains in market about to be transformed by new offers CT vendors had the worst year in recent memory in 2007, and this year was shaping up to be even worse. But that was before the Feds stepped in. Fearing recession, the Federal Reserve drastically cut short-term interest…
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May 1, 2008 Diagnostic Imaging. CT diagnoses un-bear-able condition -------------------------------------------------------------------------------- It's no joke. Three-D volume-rendered CT reveals that Petra, a 13-year-old koala bear, has cryptococcosis, an infectious fungus associated with eucalyptus leaves, a key food source for koalas. Petra is the first bear of her kind to have the potentially fatal disease characterized tomographically. Imaging may lead to better treatment. It was…
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May 1, 2008 Diagnostic Imaging. CT colonography experts plan for growing demand American Cancer Society endorsement paves way for broad public acceptance of colon cancer screening -------------------------------------------------------------------------------- Academic radiologists who helped invent CT colonography are urging their community-based colleagues to gear up for a possible jump in public demand for CTC following the American Cancer Society's decision in March to add the procedure to…
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May 1, 2008 Diagnostic Imaging. Combined strategies lower pediatric CT radiation dose -------------------------------------------------------------------------------- The combination of tube current modulation and bismuth shields during pediatric chest CT scanning can reduce radiation dose with a minimal impact on image quality, according to researchers from Duke University and the University of Arkansas. Although both techniques have been shown to effectively lower CT radiation dose, the…
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May 1, 2008 Diagnostic Imaging. Columnist explores impact of healthcare reform on your practice -------------------------------------------------------------------------------- The phrase "thinking outside of the box" has been used enough that it has become a cliché. But it still manages to convey some meaning, and we've got a good example of such thinking in this issue. Kirk Reinitz, who contributes occasional practice management articles for us, has tackled the topic of healthcare reform and…
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May 1, 2008 Diagnostic Imaging. Coding sphinxes rain down curses New regulations rule out common sense in overzealous attempt to rein in overutilization BY ERIC TREFELNER, M.D. -------------------------------------------------------------------------------- "Dr. Zahi Hawass, we are so thrilled that, as Secretary-General of the Supreme Council of Antiquities of Egypt, you have chosen our ultrahigh-tech CT scanner to look inside King Tut for new clues. Our CT tech Dave, just back from…
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