Dual-Energy and Dual-Source CT: Is There a Role in the Abdomen and Pelvis?

Joel G. Fletcher, Naoki Takahashi, Robert Hartman, Luis Guimaraes, James E. Huprich, David M. Hough, Lifeng Yu, Cynthia H. McCollough

Research output: Contribution to journalReview article

144 Scopus citations

Abstract

Dual-energy CT refers to the use of CT data representing two different energy spectra and allows for the possibility of differentiating and classifying tissue to obtain material-specific images. Dual-energy CT data can be acquired using various CT hardware platforms, with numerous approaches also existing for display of anatomic and material-specific dual-energy information. Dual-source CT refers to the use of two x-ray sources and two x-ray detectors mounted on a single CT gantry and can be used in either a dual-energy or single-energy mode. This article summarizes and reviews current and potential applications for dual-energy and dual-source CT in the abdomen and pelvis.

Original languageEnglish (US)
Pages (from-to)41-57
Number of pages17
JournalRadiologic Clinics of North America
Volume47
Issue number1
DOIs
StatePublished - Jan 1 2009

Keywords

  • Abdominal CT
  • CT applications
  • Dual-energy CT
  • Dual-source CT
  • Radiation dose

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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