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. 2015 Sep 29;10(9):e0139275. doi: 10.1371/journal.pone.0139275

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© 2015 Almutairi et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 3 — Examples of image quality of DECTA maximum-intensity projection (MIP) were shown in a 53-year-old female with body weight of 54 kg using 80 ml of contrast medium, Comparison among DECTA acquisitions in the different virtual monochromatic energies (50, 55, 60, 65, 70 and 75 keV) shows higher image noise at 50 and 55 keV which affects visualization of the vascular lumen details. VMS images acquired at 65 keV were shown to have better image quality (higher SNR and CNR) compared to the other keVs. DECTA: dual-energy CT angiography, VMS: virtual monochromatic spectral.