The Role of Dual-Energy Computed Tomography in Assessment of Abdominal Oncology and Beyond.

Desiree E Morgan

Journal: Radiologic clinics of North America 2018;56(4):565-585

PMID: 29936948

Full Text on Elsevier Science View on PubMed

Abstract

The added value and strength of dual energy computed tomography for the evaluation of oncologic patients revolve around the use of lower energy reconstructed images and iodine material density images. Lower keV simulated monoenergetic images optimize soft tissue tumor to nontumoral attenuation differences and increase contrast to noise ratios to improve lesion detection. Iodine material density images or maps are helpful from a qualitative standpoint for image interpretation because they result in improved detection and characterization of tumors and lymph node involvement, and from a quantitative assessment by enabling interrogation of specific properties of tissues to predict and assess therapeutic response.

Address: Department of Radiology University of Alabama at Birmingham, 619 19th Street South, JTN 456, Birmingham, AL 35249-6830, USA. Electronic address: [email protected].

DOI: 10.1016/j.rcl.2018.03.005

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MeSH Terms: Abdomen, Abdominal Neoplasms, Humans, Radiography, Dual-Energy Scanned Projection, Tomography, X-Ray Computed