نتایج جستجو برای: dual energy ct
تعداد نتایج: 932254 فیلتر نتایج به سال:
The principal advantages of dual-energy computed tomography (CT) over conventional CT in the musculoskeletal setting relate to the additional information provided regarding tissue composition, artifact reduction, and image optimization. This article discusses the manifestations of these in clinical practice-urate and bone marrow edema detection, metal artifact reduction, and tendon analysis, wi...
Jeffrey Ashton1, Cristian Badea2, Jennifer West1 1Duke University, Biomedical Engineering Department 2Duke University Medical Center, Department of Radiology Statement of Purpose: X-ray computed tomography (CT) is one of the most useful imaging tools for modern clinicians. However, molecular imaging with CT is not feasible with existing contrast agents, so clinicians must instead rely on other ...
Dual Energy CT in Clinical Practice, Johnson, T., Fink, C., Schönberg, S. O., Reiser, M. F., Springer-Verlag, Berlin, Heidelberg, 2011. Hardcover, 219 pp. Price: $239.00. ISBN: 978-3-642-01739-1.
Dual-energy CT (DECT) is accomplished by near simultaneous imaging at two energy levels, typically 80 kV and 140 kV, using scanners that either employ rapid kV switching or have two orthogonal sets of X-ray tunes and detectors mounted in the gantry. Attenuation properties differ at the two energy levels, which allow the DECT to differentiate and quantify certain substances such as water, calciu...
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