Automated CT volumetry of lymph nodes gauges treatment response
March 27, 2009 -- Cancer patients who respond to neoadjuvant therapy have a better prognosis than nonresponders, of course, but with the exception of FDG-PET, reductions in the size of tumors treated with chemotherapy or radiation have been difficult to gauge using imaging modalities that are capable of delineating the anatomy. Read More
VC/AAA screening combo cost-effective in older adults
March 26, 2009 -- A new analytic model has found that virtual colonoscopy is a highly cost-effective colon cancer screening method for older adults in the Medicare population, especially when combined with screening for abdominal aortic aneurysm (AAA), a test performed using the same CT dataset at little additional cost. Read More
CAD performance changes with breast density
March 25, 2009 -- Changes in breast density can affect the performance of computer-aided detection (CAD) software used to analyze mammography images, according to results of a study from Spain presented at the European Congress of Radiology. Read More
Mammography CAD recalls baffle CADET II researchers
March 20, 2009 -- Why do radiologists reviewing mammograms accept some prompts made by computer-aided detection (CAD) software, while others are rejected? Even researchers from one of Europe's most prominent CAD studies aren't sure, according to research presented at this month's European Congress of Radiology. Read More
7-tesla breast MRI shows advantages in first tests
March 13, 2009 -- The promise of a diagnostic advantage in mammography using powerful 7-tesla MRI was underlined by preliminary results presented at the European Congress of Radiology. Although image quality was improved compared to 1.5-tesla MRI, using such a powerful system might be problematic due to current patient safety rules. Read More
CT often unjustified in the young; German pediatricians lack dose awareness
March 10, 2009 -- VIENNA - About a third of the CT scans performed in patients younger than 35 could be replaced by other modalities, concludes a Norwegian study presented Tuesday at the European Congress of Radiology. Meanwhile, a survey in the region of Essen, Germany, found that many pediatricians lack basic knowledge of radiation exposures for various chest indications. Read More
E-learning tool may offer value in radiology education
March 10, 2009 -- VIENNA - An online e-learning tool shows promise for providing case-based radiological content, according to a presentation Tuesday at the European Congress of Radiology. Read More
ECR studies confirm impact of breast MRI on patient outcomes
March 10, 2009 -- VIENNA - With tissue-conservation procedures among the most common surgical treatments for breast cancer, imaging techniques that accurately probe the depths of disease status surely prove invaluable. Or do they? A pair of presentations from this week's European Congress of Radiology (ECR) sheds some light on the matter. Read More
NELSON lung cancer trial yields positive early results
March 9, 2009 -- VIENNA - A first peek at the first results of the first large randomized lung cancer screening trial to near completion found that CT detected four-fifths of participants' lung cancers at stage I -- in time to effect a curative resection. Read More
CT protocols reduce risk for pulmonary embolism
March 9, 2009 -- VIENNA - New research presented at the 2009 European Congress of Radiology examines whether reduced-energy CT and low-dose contrast media provide safer solutions without compromising pulmonary embolism image quality. Read More
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