DSCT matches angiography for stenosis detection -- even in fast hearts
December 4, 2007 -- Dual-source CT (DSCT) offers diagnostic accuracy comparable to that of invasive coronary angiography when it comes to identifying significant coronary artery stenoses, according to researchers from Germany. To test whether DSCT could match angiography in accuracy, they examined patients with suspected coronary artery disease and found DSCT angiography offered high sensitivity for detecting stenosis.
US-based minimally invasive treatments prove feasible for uterine fibroids
November 20, 2007 -- When it comes to the ultrasound-based treatment of uterine fibroids, clinicians should target patients whose benign tumors are not too big or not too small, according to two new studies. Researchers from Italy found that that percutaneous sonography-guided radiofrequency thermal ablation (RFA) was particularly adept at shrinking medium-sized fibroids, while a Japanese team found that MR-guided focused ultrasound (MRgFUS) surgery was an optimal therapy option for fibroids with specific characteristics on preoperative imaging.
Five-modality Munich trial finds high sensitivity for OC, VC
November 12, 2007 -- A virtual colonoscopy screening trial performed entirely on 64-detector-row CT found clinically significant polyps nearly as accurately as optical colonoscopy, researchers report. The Munich Colorectal Cancer Prevention Trial incorporated five separate colorectal cancer screening modalities in the same screening cohort. The researchers presented their results at the recent 2007 International Symposium on Virtual Colonoscopy in Boston.
VC in elderly patients yields extracolonic advantage
November 7, 2007 -- Virtual colonoscopy is a valuable screening tool in symptomatic individuals age 70 and older, yielding diagnostic benefits far beyond the scope of barium enema exams, which remain common in the U.K. due to staffing and equipment issues, researchers report in this month's American Journal of Roentgenology.
Italian multicenter VC trial screens higher-risk cohort
October 17, 2007 -- BOSTON - One of the largest virtual colonoscopy trials ever aimed at a higher-risk screening population has yielded good results across 12 sites in Italy. Researchers presented the first results of the study on Tuesday at the International Symposium on Virtual Colonoscopy.
Advanced liver imaging shapes surgical strategies
September 18, 2007 -- The days of planning liver interventions on the strength of a few CT or MR reconstructions may be numbered. Researchers from Germany and beyond are honing a set of advanced planning tools that not only provide high-resolution color-coded 3D visualization of the liver parenchyma and vasculature, but offer quantitative views of the intrahepatic vessel branching system and the risks of cutting at a given point in the organ.
ESR adopts 'bigger is better' membership strategy
August 13, 2007 -- Although the Radiological Society of North America continues to host the world's largest radiology meeting, the Vienna-based European Society of Radiology (ESR) hopes to surpass RSNA's membership numbers, partially through an innovative low-cost membership drive. The philosophy behind the membership drive can be summed up with ESR's new slogan: "The bigger we are -- the better we can serve you."
Giant virtual reality chamber boosts 3D echo accuracy
August 2, 2007 -- Have you ever diagnosed a three-foot-tall 3D heart? Talk about cardiomegaly. Researchers from the Netherlands who survived the experience found they could diagnose valve defects that went unnoticed in a standard 2D exam. At the 2007 Computer Assisted Radiology and Surgery (CARS) meeting in Berlin, Anton Koning, Ph.D., from Erasmus University Medical Center in Rotterdam discussed how 3D visualizes complex pathology of the heart and how image display can be improved with different kinds of VR (virtual reality) systems.
Alliance for MRI gains delay, but new European rules still loom
July 26, 2007 -- A coalition of European MRI advocates won a partial victory in June in its fight against new safety regulations that some believe will effectively shut down the use of MRI across the European Union. But the Alliance for MRI, led by the European Society of Radiology (ESR) of Vienna, faces additional struggle in winning a permanent injunction against implementation of the rules.
Cold case closed: CT solves iceman's cause of death
July 4, 2007 -- You could say it's the oldest open "cold case" to date -- the death of the famous Alpine glacier iceman. Since he was discovered in 1991, his 5,300-year-old mummified remains have been subjected to numerous scientific tests, and theories have abounded as to how he died. Recently, however, a team of Italian and Swiss researchers determined the iceman's exact cause of death using multidetector-row CT (MDCT).
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