December 3, 2008 DiagnosticImaging.com. Imaging analysts nail precise measurements for oncology research By Shalmali Pal Clinical trials in oncology demand standardized measurements of imaging scans to assess treatment response, but, unfortunately, the existing clinical workflow is not designed to produce these cohesive measurements on a routine basis. A group from Dana Farber Cancer Center has proposed using imaging analysts to deliver more consistent results. Some of the issues that currently…
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December 3, 2008 DiagnosticImaging.com. Good communication speeds stroke patients to crucial CT scans By Donna Domino Stroke victims get faster "door-to-CT" time when departments communicate effectively, especially when emergency medical staff is called while the patient is en route to the hospital. The top three medical killers in U.S. -- heart disease, cancer, and stroke -- kill 700,000 people annually. Time is paramount in triaging acute stroke patients receiving intravenous thrombolysis,…
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December 3, 2008 DiagnosticImaging.com. GE’s Logiq E9 takes high ground with new architecture By Greg Freiherr The latest development in ultrasound from GE Healthcare, its Logiq E9, promises to tap the modality's true diagnostic potential while exceeding that of ultrasound alone to provide interventional guidance. The ability to merge data from CT and other modalities into a live ultrasound scan distinguishes this new scanner, which began commercial deliveries in September. E9's Volume…
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December 3, 2008 DiagnosticImaging.com. GE presents newly approved molecular agent By Greg Freiherr GE Healthcare debuted at RSNA 2008 a recently FDA-approved molecular imaging agent that homes in on rare neuroendocrine tumors. The new agent, technically known as Iobenguane I 123 Injection, was approved earlier this year for use in diagnosis and during follow-up of patients with these tumors, if relapse or recurrence is suspected, according to GE, which began shipping the product in late…
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December 3, 2008 DiagnosticImaging.com. Gamma imaging picks up cancer unseen by mammograms By Kristin Minogue Out of every 10 women whose mammogram or physical exam reveals potentially cancerous cells in their breasts, approximately three of them will have additional dangerous clusters the examinations missed, according to a recent study presented at the RSNA conference Wednesday. Breast-specific gamma imaging can detect cancer cells that escape the notice of mammograms and physical exams, said…
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December 3, 2008 DiagnosticImaging.com. fMRI links traumatic flashbacks to brain malfunction By Kristen Minogue For victims of psychological trauma, the challenge of suppressing painful memories may be rooted in the wiring of the brain, an ongoing study revealed at the RSNA conference Wednesday. "These patients, they just become hyper-vigilant, hypersensitive to these events, and they are not capable of processing them, so they have flashbacks," said Dr. Nivedita Agarwal, a radiology resident…
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December 3, 2008 DiagnosticImaging.com. CT colonography diagnoses both cancer and osteoporosis By David Ma CT colonography can screen for both colorectal cancer and osteoporosis reliably at minimal additional cost and time, according to a study presented Tuesday at the RSNA meeting. Because the images are cross-sections of the entire body, CT colonography scans can also be constructed into a three-dimensional model of the spine, which can be used to measure bone mineral density, according to…
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December 3, 2008 DiagnosticImaging.com. CT bests ultrasound for diagnosing ER patients with abdominal pain By Donna Domino The news was mixed for CT in the emergency department in research presented Wednesday at the RSNA meeting. CT was found to be better than ultrasound for diagnosing ER patients with abdominal pain, but radiation dose can be drastically reduced for patients suspected of appendicitis, according to authors of several studies. In a study comparing CT and ultrasound for…
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December 3, 2008 DiagnosticImaging.com. Carestream launches SuperPACS at RSNA 2008 By Greg Freiherr An IT architecture that links multivendor, multisite PACS into an efficient enterprise network debuted at RSNA 2008 in the Carestream Health booth. Carestream framed the architecture as "the first-ever SuperPACS" that streamlines workflow among sites using disparate PACS by sharing patient images and information, while providing a global work list that spans the various PACS to balance exam…
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December 3, 2008 DiagnosticImaging.com. Breast-specific gamma imaging shows better sensitivity than other methods By Rebekah Moan Breast-specific gamma imaging demonstrates better specificity and sensitivity than mammography, ultrasound, and MRI, according to several studies presented at the RSNA meeting. Dr. Rachel Brem, director of breast imaging and intervention at George Washington University Medical Center, and colleagues conducted a retrospective multicenter study on 26 women with…
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December 3, 2008 DiagnosticImaging.com. Automated breast ultrasound identifies nonexistent breast cancer lesions By Rebekah Moan Automated breast ultrasound should not replace handheld ultrasound in a diagnostic breast center but rather should be used in conjunction with it or play a role in screening breast ultrasound, according to a study presented at the 2008 RSNA meeting. Dr. Linda Hovanessian Larsen, an associate professor of radiology at the University of Southern California, and…
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December 2, 2008 DiagnosticImaging.com. Toshiba introduces breast MR suite By Greg Freiherr Extending its reach in applications for MR in women's health, Toshiba unveiled at RSNA 2008 its Radiance Plus Breast Imaging Suite for use on the company's two 1.5T scanners, the Vantage Atlas and Vantage Titan. The cornerstone of the suite is the new multichannel Radiance Plus Breast Imaging Coil, a bilateral, multi-element coil designed to provide high temporal and spatial resolution for dynamic…
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December 2, 2008 DiagnosticImaging.com. Toshiba extends ultrasound reach in breast imaging By Greg Freiherr Toshiba America Medical Systems has positioned its MicroPure ultrasound technology as a way to better characterize microcalcifications. The new technology, showcased at RSNA 2008 on Toshiba's Aplio XG ultrasound scanner, improves the detection of small calcifications that otherwise may evade detection with ultrasound. The company also presented its work-in-progress ElastoQ, which displays…
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December 2, 2008 DiagnosticImaging.com. Three-T MRI triages kids with acute abdominal pain By H.A. Abella Results of a study by University of Vermont researchers suggest that 3T MRI should be considered as an alternative to CT in the evaluation of pediatric and young adult patients presenting to the emergency room with acute abdominal pain. The Centers for Disease Control and Prevention recorded more than 100 million visits to emergency rooms in 2005, most of them due to abdominal pain.…
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December 2, 2008 DiagnosticImaging.com. RSNA newcomer offers cut-rate 3D By Greg Freiherr FiatLux Imaging leveraged advances in the video gaming industry to develop software for processing 3D medical images, a product made to order for tight budgets. With a license price under $3000, Visualize 3D is affordable for "anywhere, anytime" imaging on PC laptops and tablets, possibly even Palm computers, according to the company. RSNA newcomer FiatLux, which was founded only 18 months ago, exhibited…
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December 2, 2008 Report from RSNA: 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 Medical…
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December 2, 2008 DiagnosticImaging.com. Radiologists remain unaware of radiation reduction strategies By James Brice Most radiologists know about the medical risks associated with patient exposure to ionizing radiation, but many are still in the dark about basic steps they can take to reduce patient exposure. A University of Michigan survey presented at the RSNA meeting found that a surprising percentage were unaware of methods to adjust mA and kVp during CT procedures. Only indirect evidence…
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December 2, 2008 DiagnosticImaging.com. Philips showcases value-priced ultrasound By Greg Freiherr Philips Healthcare showcased its new value-oriented HD15 ultrasound system at RSNA 2008. The latest addition to Philips' HD product line, commercially released in summer, is designed for use in small hospitals, clinics, and private practices. The system may be a primary ultrasound scanner for some users -- particularly those in emerging markets -- who do not need all the features of a high-end…
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December 2, 2008 DiagnosticImaging.com. Philips expands CT portfolio with 128-slice scanner By Greg Freiherr The Brilliance iCT SP (scalable platform) scanner officially joined the Philips CT portfolio at RSNA 2008. The compact, 128-slice scanner can be sited in a room measuring 365 square feet and can be scaled to deliver 256 slices per rotation if the needs of the facility grow, according to Philips. The new system has the same gantry rotation, 0.27 seconds, as the company's flagship…
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December 2, 2008 DiagnosticImaging.com. PACSGEAR unveils mammo digitizer By Greg Freiherr As the mammography community embraces digital mammography, newly converted sites must overcome the challenge of comparing new images with old. PACSGEAR introduced at RSNA 2008 its solution to the problem. Its PacsSCAN Film for Mammography digitizes plain-film mammograms and allows side-by-side comparison with images captured via full-field digital mammography systems. The digitized mammograms can be…
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