• AJR Am J Roentgenol · Apr 2014

    Review

    Applications of dual-energy CT in emergency radiology.

    • Shima Aran, Laleh Daftari Besheli, Besheli Laleh Daftari LD, Musturay Karcaaltincaba, Rajiv Gupta, Efren J Flores, and Hani H Abujudeh.
    • 1 Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit St, Founders Bldg, Rm 210, Boston, MA 02114.
    • AJR Am J Roentgenol. 2014 Apr 1; 202 (4): W314-24.

    ObjectiveRecent technologic advances in MDCT have led to the introduction of dual-energy CT (DECT). The basic principle of DECT is to acquire images at two different energy levels simultaneously and to use the attenuation differences at these different energy levels for deriving additional information, such as virtual monochromatic images, artifact suppression, and material composition of various tissues.ConclusionA variety of image reconstruction and postprocessing techniques are available for better demonstration and characterization of pathologic abnormalities. DECT can provide both anatomic and functional information of different organ systems. This article focuses on the main applications of DECT in emergency radiology.

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