Dual-energy CT Aortography with 50% Reduced Iodine Dose Versus Single-energy CT Aortography with Standard Iodine Dose.

William P Shuman,Keith T Chan,Janet M Busey,Lee M Mitsumori,Kent M Koprowicz

Academic Radiology（2016）

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摘要

DECT aortography with 50% reduced iodine reconstructed at 50 keV resulted in significantly greater aortic attenuation, good subjective vascular enhancement, and comparable SNR and CNR compared to standard iodine dose SECT. DECT image noise at 77 keV was similar to SECT at 120 kVp.

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关键词

Computed tomography,contrast media,aortography,dual energy

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