CT

CT vendors have responded to public concerns about radiation dose with innovations that promise to cut patient exposure substantially without affecting imaging service operations.

Standard nuclear scintigraphy of parathyroid cancer produces enough false positives for patients with multigland disease to lead researchers to recommend rapid intraoperative parathyroid hormone assay along with preoperative technetium-99m sestamibi imaging to assure that all lesions have been removed.

Endocrinologists are biting into radiology’s control over the management of nuclear imaging procedures involving an administration of radioiodine.

GE Healthcare announced at RSNA 2009 an effort to develop the next generation of software designed to cut patient x-ray dose from CT.

New software shown by Siemens at the RSNA meeting promises to cut patient exposure to x-rays by as much as 60% for a wide range of CT applications.

Over the last several months, Philips has been dropping hints that the company would unveil at RSNA 2009 a high-powered technique for cutting CT dose. The company did not disappoint.

A preliminary study suggests that CTA can play the role cardiac MRI has been playing for detecting and quantifying myocardial infarction to estimate the potential success of coronary bypass graft surgery.

Siemens unveiled a new information technology at RSNA 2009: software that promises to do the tedious and time-consuming tasks involved in reading MR and CT exams. The new product, a work-in-progress pending FDA clearance, is an outgrowth of the syngo platform that Siemens has used for years to provide consistency in data processing among its modalities.

Findings of a study released Sunday at the 2009 RSNA meeting by researchers in Boston suggest CT angiography could help radiologists identify the factors that keep some types of lower extremity fractures from healing faster and better than other, similar lesions.

Mild skin reactions are a not infrequent delayed adverse outcome of contrast-enhanced CT, according to a prospective study from the University of California, Davis.

Agfa HealthCare has signed an agreement with Curagita Holding AG to acquire all the shares of its subsidiary Insight Agents GmbH, a German-based developer and producer of generic contrast media.

CT colonography can pinpoint cancerous colorectal segments more accurately than colonoscopy, according to Italian investigators. They say virtual, not optical, colonoscopy should be the gold standard for the preoperative staging of colorectal cancer.

Cardiac imaging researchers are expanding the scope of topics considered at the 2009 RSNA meeting to include iodinated contrast media administration as a safety issue and clinical outcomes studies that weigh the relative merits of cost and clinical efficacy.

Rather than retreating after the hard blow handed them by the Centers for Medicare and Medicaid Services, which refused to grant reimbursement for the application in May, CT colonography researchers will arrive at the 2009 RSNA meeting with more of what CMS wants: hard data.

Using CT, Korean researchers have been able to accurately locate and diagnose damage produced in the lungs of patients who have accidentally swallowed fuel while siphoning it from car tanks.

OEM-software supplier ContextVision, its sister provider of end user products SharpView, and the Massachusetts General Hospital are investigating advanced 3D image filtering as a means to boost productivity and improve image quality for MRI, as well as cut dose in CT.

Medical imagers can now expect Medicare to routinely cover FDG-PET for initial staging of cervical cancer, thanks to a national coverage ruling announced Nov. 10.

A hospital run by Harrisburg, PA-based PinnacleHealth has become the first in the U.S. to install Toshiba America Medical Systems’ Aquilion Premium.

Imaging advocates, including the American College of Cardiology, cautioned against giving too much credence to a study in the New England Journal of Medicine concluding that adults are exposed to excessive doses of radiation from medical imaging procedures that are not supported by the clinical data.

A Boston University-led research team has come up with a breed of contrast agents that might open the door to the use of CT to noninvasively diagnose osteoarthritis. These agents visualize the distribution of glycosaminoglycans, the anionic sugars that account for the strength of joint cartilage.

Imaging experts are cautioning physicians not to rush to CT scanning for H1N1 flu patients, despite studies suggesting that chest CT is better than general radiography.

Developers of CT scanners have been trying to adapt their technology to breast imaging for decades. They have drawn a step closer, thanks to the efforts of researchers at the University of California, Davis. Their efforts may lead to the ability to not only visualize but treat breast cancer.

Partners Healthcare System in Boston has boosted CT contrast safety and saved money through a unique program that integrates contrast policies into the six-hospital system’s electronic medical records system, according to a new report.

Refurbished Aquilion CTs are now available from Toshiba America Medical Systems under a new program announced Nov. 10.

Medication errors may arise less often in a busy hospital radiology department than in other inpatient services, but they can cause more serious damage when they do happen. Radiologists at Boston-based Beth Israel Deaconess Medical Center came to these conclusions after evaluating 27 months of high-tech medical imaging experience. They used their data to identify the causes of errors and devise strategies to address them.

Dose reduction will be among Siemens’ key messages at the RSNA meeting this year. Driving home this message will be IRIS (iterative reconstruction in image space), a proprietary algorithm that processes raw data acquired by CTs, according to André Hartung, Siemens vice president, CT Marketing and Sales.

With years of slice wars behind them, vendors will argue that image quality and dose reduction are this year’s dominant issues in CT. Most of their arguments will be rooted in past developments.

SNM's Clinical Trials Network has expanded to include relationships with European PET radiopharmaceutical manufacturing sites to support molecular and nuclear imaging facilities on the continent that are gearing up to perform scientific studies for the program.

At RSNA 2009 Bracco Diagnostics will highlight pre-programmed protocols integrated into its CT contrast injectors.

The American College of Radiology is predicting that imaging access will plunge and patient waiting times will soar from new Medicare Physician Fee Schedule rules that will cut Medicare payments for outpatient imaging by an estimated 16% next year.