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Diagnostic Imaging spoke with Dr. Johnsey Leef III, a radiologist with Charleston Area Medical Center in Charleston, WV, about how the industry is responding to the call for lower dose imaging and what his department is doing to address the issue.

Heavy smokers screened for lung cancer with low-dose helical CT scans had a 20 percent lower mortality risk than those screened with standard X-ray, according to a large scale study recently published in the New England Journal of Medicine. So should the lung cancer screening policy change?

Radiologists have been struggling to balance image noise with radiation dose in computed tomography (CT) scans for decades. But the competition just went up a notch (or perhaps many notches) with the recent FDA approval of GE Healthcare’s Model Based Image Reconstruction (MBIR) technology, Veo. While MBIR is the most recent of the iterative reconstruction technologies, top manufacturers offer their own software answers to the noise versus dose argument.

Radiologists can boost patient safety without significantly affecting the quality of the images by cutting the dose of contrast media in coronary CT angiography, according to a new study in the American Journal of Roentgenology.

Adenosine stress 128-slice dual source computed tomography perfusion imaging (CTP) with a high pitch factor appears to provide faster, more accurate heart scans for both viewing blood vessels in the heart and measuring blood supply to the heart muscle - while exposing patients to less radiation, researchers report in Circulation: Cardiovascular Imaging, a journal of the American Heart Association.

Computed tomography (CT) scans beat traditional spirometry in identifying lung damage associated with flare-ups of chronic obstructive pulmonary disease, or COPD, a study published online in the journal Radiology concludes.

"Picturing Science: Museum Scientists and Imaging Technologies," an exhibition of more than 20 sets of striking large-format prints, showcases advanced imaging technologies used by scientists at the American Museum of Natural History and reveals once-hidden, intricate details of both natural phenomena and cultural artifacts.

It's now possible to diagnose strokes from scans sent to a smart-phone, using a newly developed Candian app. Researchers found that the sensitivity and specificity of detecting intraparenchymal hemorrhage were 100 percent for the iOS device.

CT colonography is a better screening test than optical colonoscopy (OC), according to a new study published in the May Radiology print issue. Using meta-analysis of studies done over a 15 year period, authors found that the sensitivity of CT colonography for colorectal cancer detection was 96.1 percent, compared with 94.7 percent for OC.