Dual energy CT: preliminary observations and potential clinical applications in the abdomen
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- 2 August 2008
- journal article
- review article
- Published by Springer Nature in European Radiology
- Vol. 19 (1), 13-23
- https://doi.org/10.1007/s00330-008-1122-7
Abstract
Dual energy CT (DECT) is a new technique that allows differentiation of materials and tissues based on CT density values derived from two synchronous CT acquisitions at different tube potentials. With the introduction of a new dual source CT system, this technique can now be used routinely in abdominal imaging. Potential clinical applications include evaluation of renal masses, liver lesions, urinary calculi, small bowel, pancreas, and adrenal glands. In CT angiography of abdominal aortic aneurysms, dual energy CT techniques can be used to remove bones from the datasets, and virtual unenhanced images allow differentiation of contrast agent from calcifying thrombus in patients with endovascular stents. This review describes potential applications, practical guidelines, and limitations of dual energy CT in the abdomen.Keywords
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