Speed, spatial resolution add clinical detail to CTA

August 6, 2008 Diagnostic Imaging. Speed, spatial resolution add clinical detail to CTA Dual-energy scanning offers potential to remove bone and arterial calcium, clarifying angiographies Paula Gould -------------------------------------------------------------------------------- Cardiovascular imaging has much to gain from developments in CT. The improved temporal and spatial resolution has already translated into superior image quality. Now the radiology community is waiting to see whether the promises made by proponents of dual energy—that it can remove calcified plaques from coronary CT angiography studies—will be kept. Imaging with 64-plus-slice technology is making a real difference to the details that can be seen in diseased and damaged blood vessels. Radiologists can now get a much better picture of a patient's renal artery stenosis than would have been possible with 16-slice CT, for example. Small intracranial or hepatic artery aneurysms can also be visualized clearly.

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