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Dual Energy CT: Cardiovascular and Oncologic Applications


January 7
12:00 pm
BEB 201
Sandy Bird

The Center for Biomedical Imaging-Guest Lecture

Carlo De Cecco, M.D.
Research Assistant Professor
Department of Radiology and Radiological Science

"Dual Energy CT: Cardiovascular and Oncologic Applications"

Dual Energy CT (DECT) is an innovative imaging technique, whose basic principle is the application of two distinct energy settings making able to distinguish materials with different molecular composition on the basis of their attenuation profiles and thus operating a transition from density based image to spectral imaging. DECT applications are based on two distinct capabilities: 1) material differentiation, which means achieving material-specific imaging with separation of distinct materials, for example iodine, calcium, and uric acid, within an image obtained during a single examination and 2) material identification and quantification, which means accurate assessment of the presence and amount of iodine within a target lesion. In particular, with DECT acquisition multiple data-sets such as elemental decomposition analysis, iodinated density map, monochromatic images or virtual unenhanced images can be obtained simultaneously making the Radiologist able to address different diagnostic problems and improving lesion detection and characterization. These technical characteristics make DECT an innovative imaging modality particularly useful in cardiovascular and oncologic imaging, having clear advantages in myocardial perfusion analysis, tumor detection, lesion characterization, evaluation of response to therapy, and detection of oncologic-related disease.

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