11 Graser A, Johnson TR, Hecht EM et al.Dual-source dual-energy MDCT of pancreatic adenocarcinoma: initial observations with data generated at 80 kVp and at simulated weighted-average 120 kVp. Dual energy CT: preliminary observations and potential clinical applications in the abdomen. 9 Graser A, Johnson TR, Chandarana H, Macari M.Dual energy CT characterization of urinary calculi: initial in vitro and clinical experience. 8 Graser A, Johnson TR, Bader M et al.Compound analysis of gallstones using dual energy computed tomography: results in a phantom model. 7 Bauer RW, Schulz JR, Zedler B, Graf TG, Vogl TJ.Spectroscopic (multi-energy) CT distinguishes iodine and barium contrast material in MICE. 6 Anderson NG, Butler AP, Scott NJ et al.Single-phase dual-energy CT allows for characterization of renal masses as benign or malignant. 5 Graser A, Becker CR, Staehler M et al.Dual-energy CT revisited with multidetector CT: review of principles and clinical applications.

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2 Coursey CA, Nelson RC, Boll DT et al.

Extraction of information from CT scans at different energies.

1 Millner MR, McDavid WD, Waggener RG, Dennis MJ, Payne WH, Sank VJ.

CT number distribution was narrower with MARS than with standard reconstruction in 35 of 37 patients ( P <. Linear-weighted κ statistic showed moderate to perfect agreement between radiologists.

Far-field artifacts were more prominent on axial MARS-reconstructed images than on standard reconstructions ( P <. Amount of artifacts, for both any and near field, was significantly smaller on sagittal and coronal MARS-reconstructed images than on standard reconstructions ( P <. Reduction of blooming was noted on MARS-reconstructed images ( P =. Tumor visibility was graded higher with standard versus MARS reconstruction (grade, 3.7 ± 1.0 vs 2.8 ± 1.1 P =. MARS-reconstructed images received a better grade than those with standard reconstruction in 60% and 65% of patients by the first and second radiologist, respectively. Fiducial seeds were placed in pancreas ( n = 5), liver ( n = 7), periportal lymph nodes ( n = 1), and gallbladder bed ( n = 1).

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