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. 2015 Sep 15;6(6):631–639. doi: 10.1007/s13244-015-0431-z

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© The Author(s) 2015

Open Access This 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 — a Coronal MIP MDCT image showing an appearance of complete thrombosis of the infrarenal portion of IVC (on the right (arrow) and tortuous appearance of gonadal vein (median pathway) (on the left) (asterisk) b Coronal MIP MDCT image showing enlarged inferior hemorrhoidal vein (portal pathway) (arrow) c Sagittal MIP MDCT image showing ascending lumbar veins with an appearance of pseudomasses at the level of lumbar vertebra (deep pathway) (arrow) d Coronal MPR MRI image showing infrarenal IVC agenesis (arrow) (e) Coronal MPR MRI image showing enlarged epigastric vein (superficial pathway) (arrow)