Subspecialties: Page 1143

Studies outline techniques for ramping up MR in renal artery imaging
By Shalmali Pal
Nephrogenic systemic fibrosis (NSF) continues to puzzle the MR imaging community, but patients with renal disorders must still undergo imaging exams and MRI remains the best option for detecting and grading kidney disease. Two recent studies offer advanced techniques for MR angiography (MRA) and MRI in the renal arteries. In both cases, gadolinium-based agents were used successfully without any serious side effects. AuntMinnie.com takes a look at the studies and discusses the role of gadolinium-enhanced MRA in this patient population with the authors.
January 9, 2008
2008 01 09 13 30 29 706
E-Z-EM sales, profit jump in fiscal Q2
By AuntMinnie.com staff writers
E-Z-EM of Lake Success, NY, reported growth in revenues and net income in the company's second fiscal quarter (end-December 1), one of the last reporting periods before the company's pending acquisition by Italian contrast firm Bracco is completed.
January 8, 2008
Pending Medicare decision roils cardiac CTA
By Eric Barnes
On December 13, 2007, the U.S. Centers for Medicare and Medicaid Services (CMS) proposed a wholesale change in the way coronary CT angiography (CTA) is reimbursed under Medicare. The proposal would severely limit payments for coronary CTA, and cardiac imaging providers are racing against the clock to prevent its implementation.
January 7, 2008
HealthHelp to pitch in for HRP
By AuntMinnie.com staff writers
Radiology benefit management firm HealthHelp said it has inked a deal to coordinate radiology services for the High-Risk Plaque (HRP) Initiative.
January 6, 2008
MedX scores clearance for T-Quest
By AuntMinnie.com staff writers
Nuclear medicine developer MedX has received U.S. Food and Drug Administration 510(k) clearance for its T-Quest gamma camera.
January 2, 2008
Comprehensive musculoskeletal US exam offers most value
By Erik L. Ridley
While a focused musculoskeletal sonographic exam can identify most abnormalities, a protocol-based exam allowed for identification of 98% of symptomatic abnormalities in a recent retrospective study, according to researchers from the University of Michigan Hospitals in Ann Arbor.
January 2, 2008
Ultrasound contrast advocates take aim at FDA black box warning
By Cynthia E. Keen
Advocates of ultrasound contrast have launched a grassroots lobbying effort to persuade the U.S. Food and Drug Administration (FDA) to relax its recent black box warning on the use of two echocardiography contrast agents. The group believes the FDA warning was unnecessarily strident given the safety profile of ultrasound contrast, and that the warning could hamstring further clinical use of cardiac ultrasound contrast.
January 2, 2008
Given pays royalties to Israeli government
By AuntMinnie.com staff writers
Israeli video-capsule developer Given Imaging said that it has paid its outstanding royalty obligation and accrued interest of approximately $5 million to Israel's Office of the Chief Scientist (OCS).
January 1, 2008
Varian nets FDA nod
By AuntMinnie.com staff writers
Radiation therapy vendor Varian Medical Systems has received U.S. Food and Drug Administration (FDA) 510(k) clearance for its RapidArc radiotherapy technology.
January 1, 2008
Teniae coli landmarks guide navigation in VC
By Eric Barnes
A new study in Radiology examines the use of teniae coli -- three thick bundles of muscle that run along the outer longitudinal layer of the colon's muscularis externa -- as a navigation and localization tool for virtual colonoscopy data. Researchers from the National Institutes of Health (NIH) in Bethesda, MD, believe that teniae coli, as extractable features of VC datasets, can significantly improve polyp localization over current methods.
January 1, 2008
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Sublingual nitroglycerin improves coronary CTA
By Eric Barnes
Nitroglycerin significantly improves the results of coronary CT angiography (CTA) by dilating the coronary arteries before scanning, researchers in Belgium have reported. Their study found that vessel lumen diameters and average volumes were larger when nitroglycerin spray was administered sublingually before scanning. Their study appears in the January issue of the American Journal of Roentgenology.
December 30, 2007
Headgear: Is radiosurgery the right treatment for trigeminal neuralgia?
By Sydney Schuster
The nerve disorder trigeminal neuralgia (TN) is not that common, but with the median age of 67 at diagnosis it has the potential to be a widespread health issue among aging baby boomers. Radiosurgery has gained popularity as a way to manage TN, but will it become the gold standard treatment? Neurosurgeons who work with radiosurgery praise it as being faster, safer, and just as effective as traditional management methods.
December 30, 2007
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