RADIOLOGY NEWS
CT for brain metastasis unnecessary after PET/CT
April 2, 2009 -- A CT scan is often ordered to find brain metastases in lung cancer patients. But if a whole-body PET/CT scan is already available from the original workup, there's no need for a dedicated CT scan, according to researchers from Belgium, who found that the CT portion of the PET/CT scan is enough for the initial diagnosis. Read More
ACC study: Coronary CTA tops other tests for long-term prognosis
April 2, 2009 -- ORLANDO - Coronary CT angiography (CCTA) is better than conventional risk scores and calcium scoring at predicting the long-term prognosis of patients with obstructive coronary artery disease, researchers reported at the annual meeting of the American College of Cardiology (ACC). Read More
Follow-up ultrasound aids in evaluating new lesions from breast MR
April 1, 2009 -- Performing a "second-look" ultrasound study can offer value for evaluating suspicious incidental lesions discovered on breast MRI, according to a pair of Italian studies presented at the 2009 European Congress of Radiology. Read More
ACC study: Sequential CT delivers less radiation, good image quality
March 31, 2009 -- ORLANDO - Using a sequential scanning mode during coronary CT angiography studies cuts radiation dose in half without impairing image quality compared to standard retrospective spiral data acquisition, according to a study presented at this week's American College of Cardiology (ACC) meeting. Read More
German conference yields data compression recommendations
March 30, 2009 -- Germany is the latest country to benefit from clinical recommendations on the use of lossy compression in radiology, with a recent consensus conference adding its own findings to newly issued research in Canada and the U.K. Read More
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
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