FDG-PET/CT has mixed results in lung cancer screening
October 21, 2014 -- Lung cancer researchers from Italy have found that FDG-PET/CT is "highly sensitive" in the diagnosis of indeterminate nodules, as well as nodules larger than 15 mm and solid nodules, but less effective with other smaller, subsolid nodules.
CCTA, not calcium score, predicts events in asymptomatics
October 16, 2014 -- Coronary CT angiography (CCTA) significantly outperformed coronary calcium scoring for predicting cardiac events in asymptomatic individuals, concludes an Austrian study presented at the European Society of Cardiology meeting, held last month in Barcelona, Spain.
Consent problems hold back fetal autopsies
October 15, 2014 -- Global researchers who are eager to gain experience in fetal autopsies using CT and MRI are facing immense frustration due to ongoing difficulties over obtaining consent, and one investigator reports being "hamstrung" by the procedures and bureaucracy of ethics committees.
Dual-energy CT develops greater role in brachytherapy
October 10, 2014 -- A group of Canadian and Dutch researchers has developed a brachytherapy dosimetry method that accounts for dose heterogeneity. They have used dual-energy CT to extract these parameters, and the treatment is proving valuable in early stage prostate or breast cancer.
3D CT reveals brain damage in Paleolithic youth
October 6, 2014 -- Detailed high-resolution 3D 256-detector-row CT images have opened a fascinating window onto the life of a teenager who lived in what is now northern Israel and who suffered severe head trauma 100,000 years ago, according to a French anthropologist.
Peripheral artery disease gets its own CAD
October 3, 2014 -- Researchers in Switzerland and the U.K. have built a computer-aided detection (CAD) system that locates and measures peripheral artery disease based on the size of the lumen and the degree of stenosis. The system has been tested on a phantom and in 15 patients.
Survey: Patients unfazed by false positives on CTC exams
October 2, 2014 -- In a new survey, patients said they believe the benefits of having a malignancy detected on colon screening exams more than outweigh the drawbacks of a false positive, even if it would lead to unnecessary imaging or invasive follow-up, according to a group of leading experts from the U.K.
Germans focus on pediatric dose, as crisis deepens
October 1, 2014 -- A special session on radiation protection was a highlight at the recent annual meeting of the German Society for Pediatrics and Adolescent Medicine. It reflected mounting concerns over dose, but also highlighted the crisis facing pediatric radiology.
Debate over cervical spinal trauma takes new turn
September 30, 2014 -- Many cervical spine injuries identified on subsequent CT scans are not visible on plain radiographs, and there is also a high rate of technical inadequacy of cervical spine plain radiography in trauma cases, according to award-winning research.
Irish radiology department finds it's not easy being green
September 26, 2014 -- A new survey found that radiology staff members at a hospital in Dublin were reluctant to take simple actions that could save thousands of euros in energy costs. Administrators may therefore need to take more extreme actions, such as programming computers to automatically go into sleep mode overnight, to wring out cost savings.