• AJR Am J Roentgenol · Nov 2012

    Review

    Dual-energy CT: oncologic applications.

    • Carlo Nicola De Cecco, Anna Darnell, Marco Rengo, Giuseppe Muscogiuri, Davide Bellini, Carmen Ayuso, and Andrea Laghi.
    • Departments of Radiological Sciences, Oncology, and Pathology, University of Rome Sapienza-Polo Pontino, Via Franco Faggiana 34, Latina, Italy. carlodececco@gmail.com
    • AJR Am J Roentgenol. 2012 Nov 1;199(5 Suppl):S98-S105.

    ObjectiveDual-energy CT (DECT) is an innovative imaging technique that operates on the basic principle of application of two distinct energy settings that make the transition from CT attenuation-based imaging to material-specific or spectral imaging. The purpose of this review is to describe the use of DECT in oncology.ConclusionApplications of DECT in clinical practice are based on two capabilities: material differentiation and material identification and quantification. The capability of obtaining different material-specific datasets (iodine map, virtual unenhanced, and monochromatic images) in the same acquisition can improve lesion detection and characterization. This approach can also affect evaluation of the response to therapy and detection of oncology-related disorders. DECT is an innovative imaging technique that can dramatically affect the care of oncologic patients.

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