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Dual-Energy Computed Tomographic Scanners: Principles, Comparisons, and Contrasts

Bolus, David N. MD

Journal of Computer Assisted Tomography: November/December 2013 - Volume 37 - Issue 6 - p 944–947
doi: 10.1097/RCT.0000000000000028
Abdominal CT Techniques and Dose Optimization

Abstract: The underlying principles of dual-energy computed tomography are reviewed, with comparison and contrast of the primary dual-energy computed tomographic scanners that are currently in use. Practical clinical implications of the differences in hardware, software, and imaging processing implementations are discussed, noting the rationale for convergence of technology and terminology.

From the Sections of Body Imaging, Body Intervention, and CT Colonography, Department of Radiology, University of Alabama at Birmingham, Birmingham, AL.

Received for publication August 23, 2013; accepted October 4, 2013.

Reprints: David N. Bolus, MD, Sections of Body Imaging, Body Intervention, and CT Colonography, Department of Radiology, University of Alabama at Birmingham, JTN 358A, 619 South 19th St, Birmingham, AL 35249-6830 (e-mail: dbolus@uabmc.edu).

Presented at the 2012 GE CT workshop.

The author declares no conflict of interest.

© 2013 by Lippincott Williams & Wilkins