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. 2015 Jun 12;39:64–73. doi: 10.1007/s00270-015-1146-8

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© The Author(s) 2015

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. 2 — Example of how the C-arm CT scan delay was determined on power injection DSA in the right hepatic artery. A Start of the DSA run. Only vascular contrast enhancement is visible. B Midway the DSA run. Parenchymal contrast enhancement of the right liver lobe (white arrows indicate the border of the right liver lobe) is starting to show. C At the end of the DSA run, maximal parenchymal contrast enhancement is reached. The time between the first and last run is used as delay for the C-arm CT scan