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. 2017 Mar 29;5(5):19. doi: 10.1007/s40134-017-0213-0

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 18 — Images of a young male patient with prevertebral abscesses. Blended images (50%) (a) and VMIs (b–f). VMIs demonstrate improved visualization of the infiltration and abscesses at lower energies (arrow): 40 keV (b), 50 keV (c), 60 keV (d), 70 keV (e), and 80 keV (f). There is better visualization of the internal carotid artery at lower mono-energetic reconstructions, compared with blended image and higher-energy images, although at the cost of increased noise (arrowhead)