July 1, 2008 Diagnostic Imaging. SIIM vets discuss issues facing imaging informatics John C. Hayes -------------------------------------------------------------------------------- A question from the radiology news media—What are the biggest challenges facing the field?—led some Society of Imaging Informatics in Medicine veterans, participants on a panel assembled by the association, into discussion of a list of issues facing radiology informatics. Their comments produced insights into hot…
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July 1, 2008 Diagnostic Imaging. PET emerges as staging exam for cervical cancer By Shalmali Pal -------------------------------------------------------------------------------- Preliminary study establishes PET/CT effectiveness for evaluating cancer after a negative CT finding Surgery has been the standard for cervical cancer staging for more than three decades, despite leading to complications, especially when followed by radiation therapy. Evidence continues to accumulate, however,…
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July 1, 2008 Diagnostic Imaging. Pediatric imagers put dose campaign on the road By Yomi Wrong -------------------------------------------------------------------------------- The Alliance for Radiation Safety in Pediatric Imaging rolled out its Image Gently campaign in January with a successful website launch and maintained that momentum through the first half of 2008 with showings at key medical conferences. As of May, www.imagegently.org had pledges from nearly 1000 imaging providers to…
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July 1, 2008 Diagnostic Imaging. PACS must avoid driving radiology, patients apart BY DAVIDE CARAMELLA, M.D. -------------------------------------------------------------------------------- The International Society for Optical Engineering hosted the first conference and workshop on the subject. More than 25 years later, the development of PACS has followed paths that were then hard to predict. As PACS continues to evolve, I believe it will be progressively deployed in surgical departments to…
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July 1, 2008 Diagnostic Imaging. PACS control debate - radiology or IT - spices SIIM meeting IT proponents argue trends in enterprise require closer integration of all data, while opponents counter that radiology must control its destiny John C. Hayes -------------------------------------------------------------------------------- The choices may not be all that stark, but debate persists over who controls PACS—radiology or IT. The question was contested by two able advocates at the Society of…
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July 1, 2008 Diagnostic Imaging. Osteoplasty holds promise for repair of bone fractures H. A. Abella -------------------------------------------------------------------------------- Minimally invasive repair of painful vertebral compression fractures has become an established treatment for osteoporosis. The development of similar techniques to treat other fractures caused by age and metastatic disease could be a cost-effective way to deal with declining reimbursements and a growing elderly…
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July 1, 2008 Diagnostic Imaging. One-year mammography follow-up falls short ------------------------------------------------------------------------------- Women with diagnostic mammograms flagged as probably benign usually undergo short-interval follow-up. But at 12 months, this second look may not boost cancer detection. Erin Aiello Bowles, a research associate at the Group Health Center for Health Studies in Seattle, and colleagues at several U.S. institutions evaluated the accuracy of…
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July 1, 2008 Diagnostic Imaging. MSCT issue: Will a milligray a day keep the doctor away? By Shalmali Pal -------------------------------------------------------------------------------- Many imagers focus on limiting dose, but presentation looks at plusses from a little bit of radiation exposure When it comes to radiation dose, the news media, and the general public by extension, zero in one aspect only: risk, risk, and more risk. But what about any potential positive effects of exposure to…
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July 1, 2008 Diagnostic Imaging. MR spectroscopy glutamate measures reflect craving for heroin in addicts James Brice -------------------------------------------------------------------------------- New MR spectroscopy findings indicate that changes in brain glutamate levels reflect changes in heroin craving among addicts during methadone maintenance therapy. MRS may eventually help predict whether addicts will relapse after treatment. Animal studies have previously shown that glutamate is…
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July 1, 2008 Diagnostic Imaging. Molecular imaging enjoys progress on multiple fronts James Brice -------------------------------------------------------------------------------- From a pivotal study that may broaden Medicare's acceptance of FDG-PET to Raman spectroscopic techniques that promise a 1000-fold improvement in sensitivity compared with fluorescence imaging, the first half of 2008 will be remembered for fruitful molecular imaging research. As of June 1, the Centers for Medicare and…
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July 1, 2008 Diagnostic Imaging. Mid-year clinical update tracks radiology's course since the RSNA John C. Hayes -------------------------------------------------------------------------------- The RSNA is without doubt the big Kahuna of radiology medical meetings. With 60,000+ attendees and a program book that spans nearly 1000 pages in small type, the fall RSNA meeting sets the agenda for much of what goes on in radiology. But between the time the RSNA meeting closes shop in December and…
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July 1, 2008 Diagnostic Imaging. Las Vegas imaging center serves as proving ground Fast-paced AquilionOne workflow tests patient and data handling in preparation for commercial launch By Greg Freiherr -------------------------------------------------------------------------------- The patient who reported for a CT scan at the Spring Valley imaging center in Las Vegas complained of headaches, but the images returned by the newly installed AquilionOne CT scanner indicated something much worse was…
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July 1, 2008 Japanese hospital reports favorable experience with CAD-PACS integration Douglas Page -------------------------------------------------------------------------------- Temporal subtractions and nodule detection are the most common computer-aided detection systems available. Until recently, however, no report has described these CAD routines being integrated into PACS. That changed in March, when Japanese researchers at Kyushu University reported their four-year experience…
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July 1, 2008 Diagnostic Imaging. Insurance filter sorts work list for teleradiologists John C. Hayes -------------------------------------------------------------------------------- A system presented at the SIIM meeting is able to develop work lists based on a patient's insurance and a radiologist's credentialing status, which are important considerations as more studies are interpreted away from central offices and facilities try to maximize reimbursement. The original inspiration for the…
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July 1, 2008 Diagnostic Imaging. Innovators team with vendors to broaden access to new tools Exhibitors at annual imaging informatics conference showcase native integrations and plug-ins designed to complement, supplement PACS By Greg Freiherr -------------------------------------------------------------------------------- Advanced visualization is worming its way into PACS. Once-dedicated workstations are being democratized to support network access, thin-client servers gel with PACS, and…
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July 1, 2008 Diagnostic Imaging. High-tech suite of the future integrates imaging, robotics H. A. Abella -------------------------------------------------------------------------------- Researchers in the field of interventional radiology have looked relentlessly for new ways to improve the accuracy, outcomes, and cost of their image-guided treatments. They have experimented with various tracking and navigational devices as well as robotics. Until now, these technologies have remained outside…
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July 1, 2008 Diagnostic Imaging. High school student glimpses radiology through PE research Young man from Hawai’i learns an appreciation of medicine while comparing relative merits of D-dimer and pulmonary CT angiography H. A. Abella -------------------------------------------------------------------------------- The striking youthful looks of lead investigator Travis Ing seemed not to distract the audience from the main point of his paper presentation, which identified an expanded role for…
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July 1, 2008 Diagnostic Imaging. Functional MRI measures effects of liver treatment H. A. Abella -------------------------------------------------------------------------------- Interventional radiologists brought in palliative and potentially curative treatments for liver cancer. They are now also offering new ways to assess the effectiveness of these therapies. In January, researchers at Johns Hopkins University published results of a seminal study on the use of diffusion and perfusion MRI to…
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July 1, 2008 Diagnostic Imaging. fMRI shows social drinkers can't escape alcohol traps -------------------------------------------------------------------------------- Minimally invasive repair of painful vertebral compression fractures has become an established treatment for osteoporosis. The development of similar techniques to treat other fractures caused by age and metastatic disease could be a cost-effective way to deal with declining reimbursements and a growing elderly population.…
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July 1, 2008 Diagnostic Imaging. fMRI predicts benign brain tumors that turn malignant -------------------------------------------------------------------------------- Perfusion-weighted MRI can anticipate the transformation of low-grade gliomas into malignant tumors up to a year earlier than other imaging tests, according to researchers. The technique could help select patients who may benefit from more aggressive treatment. Adam Waldman, Ph.D., and colleagues at the Charing Cross Hospital in…
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