May 7, 2008 Report from ISMRM: Prostate imaging studies weigh diagnostic power of MRI methods -------------------------------------------------------------------------------- A clinical trial presented Monday demonstrated how complicated the quantification of dynamic contrast-enhanced MRI of suspected prostate cancer can be. Investigators hold great hope for DCE-MRI for this application because of the insensitivity of contrast-enhanced T2-weighted imaging and the considerable convenience of…
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Added by Diagnostic Imaging on May 7, 2008 at 12:00am —
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May 7, 2008 Philips advances quantitative MR Greg Freiherr -------------------------------------------------------------------------------- Quantitative MR, characterized by the precise measurement of data points that underlie MR images, may one day provide an exact and definable basis to recognize the early signs of disease and response to therapy. Philips Healthcare is moving toward that day, developing techniques that quantify the presence of cancerous tumors and heart disease. Stefanie…
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Added by Diagnostic Imaging on May 7, 2008 at 12:00am —
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May 6, 2008 Report from ISMRM: Society expands educational scope, global reach James Brice -------------------------------------------------------------------------------- Radiologists can anticipate access to more web-based educational programming from the International Society for Magnetic Resonance in Medicine and a more intense international flavor in the society's future work. Education and global outreach are key elements of the ISMRM's three-year strategic plan, said society president…
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Added by Diagnostic Imaging on May 6, 2008 at 7:00pm —
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May 6, 2008 Prostate imaging studies weigh diagnostic power of MRI methods James Brice -------------------------------------------------------------------------------- A clinical trial presented Monday demonstrated how complicated the quantification of dynamic contrast-enhanced MRI of suspected prostate cancer can be. Investigators hold great hope for DCE-MRI for this application because of the insensitivity of contrast-enhanced T2-weighted imaging and the considerable convenience of performing…
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Added by Diagnostic Imaging on May 6, 2008 at 12:00am —
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May 6, 2008 MR elastography shakes up assumptions about body MR James Brice -------------------------------------------------------------------------------- MR elastography debuted on Tuesday as a clinical application ready for diagnostic uses in the liver and many diagnostic niches elsewhere in the body. Modality inventor Dr. Richard Ehman noted during the morning plenary session that though elasticity is the physical property of tissue most changed by disease, it has never before been…
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Added by Diagnostic Imaging on May 6, 2008 at 12:00am —
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May 6, 2008 Merck plans evaluation of spin-signal MR Greg Freiherr -------------------------------------------------------------------------------- GE Healthcare's gas-based MRI imaging strategy may find a home, if tests of the technology by Merck pan out. The pharmaceutical company plans to audition GE's Spin Signal Technology (SST) utilizing hyperpolarized xenon 129 gas for use in assessing its experimental respiratory treatments. GE Healthcare has granted Merck access to the technology and…
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Added by Diagnostic Imaging on May 6, 2008 at 12:00am —
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May 6, 2008 Medrad launches prostate education Greg Freiherr -------------------------------------------------------------------------------- Medrad unveiled an educational program at the ISMRM meeting designed to teach the operators of GE Signa scanners how to perform prostate MR with its eCoil Endorectal Coil. The correspondence program will be led by John Kurhanewicz, Ph.D., director of the Prostate Cancer Imaging Research Program at the University of California, San Francisco and Dr.…
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Added by Diagnostic Imaging on May 6, 2008 at 12:00am —
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May 5, 2008 Ultrasound proves as good as MRI for presurgical staging of endometrial cancer Wendy Despain -------------------------------------------------------------------------------- Transvaginal ultrasound exams conducted by expert practitioners can replace MR imaging for preoperative staging of endometrial cancer. Researchers conclude that expensive MRIs should be reserved for patients whose ultrasound exams are unclear. Dr. Luca Savelli from the department of obstetrics and gynecology at…
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Added by Diagnostic Imaging on May 5, 2008 at 7:00pm —
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May 5, 2008 Society expands educational scope, global reach James Brice -------------------------------------------------------------------------------- Radiologists can anticipate access to more web-based educational programming from the International Society for Magnetic Resonance in Medicine and a more intense international flavor in the society's future work. Education and global outreach are key elements of the ISMRM's three-year strategic plan, noted society president Jeff Duerk, Ph.D.,…
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Added by Diagnostic Imaging on May 5, 2008 at 7:00pm —
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May 5, 2008 Siemens showcases 3T, 1.5T scanners Greg Freiherr -------------------------------------------------------------------------------- Siemens Healthcare is focusing on its 3T Verio and 1.5T Essenza at the ISMRM meeting. Both were unveiled last year at the RSNA meeting. Twenty of the wide-bore 3T scanners are operating, even though Verio began shipping only last month. Essenza sites are also running in Europe, Asia, and the U.S. Verio's 70-cm bore offers more patient-friendly…
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Added by Diagnostic Imaging on May 5, 2008 at 7:00pm —
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May 5, 2008 High school student gets glimpse of radiology through pulmonary research H. A. Abella This just in: The Punahou prep school of Honolulu grooms not only politicians like Barack Obama or entrepreneurs like AOL cofounder Steve Case. It may well be nurturing the future of radiology. Eighteen-year-old Travis Ing, a senior at Punahou, is the lead investigator of a study that identified an expanded role for the D-dimer assay in the diagnosis of pulmonary embolism. He presented the paper at…
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Added by Diagnostic Imaging on May 5, 2008 at 7:00pm —
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May 5, 2008 GE launches fast, easy-to-use 3T scanner Greg Freiherr -------------------------------------------------------------------------------- GE has unveiled a new 3T scanner, the Signa MR750, the first in a new generation of Signa scanners designed to handle the toughest imaging cases with minimal effort. More powerful gradients, increased anatomical coverage, enhanced parallel imaging, and a user interface that simplifies routine as well as academically challenging protocols promise to…
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Added by Diagnostic Imaging on May 5, 2008 at 7:00pm —
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May 4, 2008 ISMRM presentations reflect MR’s varied role in practice and research James Brice -------------------------------------------------------------------------------- Visitors to the 2008 International Society for Magnetic Resonance in Medicine meeting in Toronto need only wait a minute for the door to swing from clinical issues to advanced research on functional and metabolic imaging. Opportunities to learn something new fill the week staring May 3 with educational courses covering…
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Added by Diagnostic Imaging on May 4, 2008 at 7:00pm —
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May 2, 2008 MRI study shows reduced brain atrophy in treated MS patients Don Rauf -------------------------------------------------------------------------------- Therapeutic treatment in the very early stages of multiple sclerosis can help patients reduce brain tissue loss and maintain function. Brain atrophy is a common symptom in the relapsing-remitting form of the disease. A five-year MRI study led by Dr. Omar Khan, a professor of neurology and director of the Multiple Sclerosis Center at…
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Added by Diagnostic Imaging on May 2, 2008 at 7:00pm —
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May 1, 2008 Diagnostic Imaging. SIIM chooses city full of lakes in which to build its bridges Full exhibit hall, exciting scientific program, and thought-provoking general sessions portend successful, stimulating meeting By Caroline Wilson -------------------------------------------------------------------------------- Practice meets theory at the 2008 Society for Imaging Informatics in Medicine meeting, May 15 to 18, in Seattle. This year, the SIIM meeting will incorporate new hands-on…
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Added by Diagnostic Imaging on May 1, 2008 at 10:00pm —
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May 1, 2008 Diagnostic Imaging. PWI/DWI brain mismatch widens stroke window H. A. Abella -------------------------------------------------------------------------------- Results of the EPITHET trial indicate MRI perfusion-diffusion mismatch can add a crucial three extra hours for safe administration of tissue plasminogen activator (tPA) to treat qualified acute stroke patients. The phase II Echoplanar Imaging Thrombolytic Evaluation Trial involved 101 patients with acute ischemic stroke at 15…
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Added by Diagnostic Imaging on May 1, 2008 at 10:00pm —
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May 1, 2008 Diagnostic Imaging. Preop cardiac test hampers timely hip fracture surgery -------------------------------------------------------------------------------- Preoperative cardiac stress tests in hip fracture patients lead to unnecessary surgical delays and prolonged hospital stays, according to Mayo Clinic researchers. Dr. Stephen Sems and colleagues in Rochester, MN, retrospectively looked at 1010 proximal femur fractures in 973 patients treated between 2001 and 2006. Fifty-four…
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Added by Diagnostic Imaging on May 1, 2008 at 10:00pm —
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May 1, 2008 MR angiography illustrates runoff in diabetic patients Preoperative failure to identify vessels that could be recanalized or used for graft anastomosis may result in unnecessary amputations KARL-FRIEDRICH KREITNER, M.D. -------------------------------------------------------------------------------- Foot complications associated with diabetes are the most common cause of nontraumatic lower extremity amputations in the industrialized world. Research indicates that the risk of lower…
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Added by Diagnostic Imaging on May 1, 2008 at 9:30pm —
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May 1, 2008 Diagnostic Imaging. Mechanical thrombectomy boosts DVT management Combined mechanical/pharmaceutical approach proves optimal in treatment of extremity veins H. A. Abella -------------------------------------------------------------------------------- Results from a registry covering the clinical experience of 777 patients have found that a clot-busting mechanical device in combination with thrombolytic drugs is faster, more effective, and safer than thrombolysis alone for treating…
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Added by Diagnostic Imaging on May 1, 2008 at 9:30pm —
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May 1, 2008 Diagnostic Imaging. Jury acquits doctors in actor's wrongful death lawsuit -------------------------------------------------------------------------------- A radiologist and a cardiologist were cleared of negligence in the diagnosis and treatment of actor John Ritter, whose family brought a $67 million wrongful death suit against the two physicians. Ritter, who achieved stardom from work on the TV sitcom "Three's Company," died of an aortic dissection in 2003. He was 54. The…
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Added by Diagnostic Imaging on May 1, 2008 at 9:30pm —
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