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. 2020 Feb 4;20:30. doi: 10.1186/s12876-020-1180-0

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© The Author(s). 2020

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. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Elderly male patients diagnosed with gynura segetum-induced HSOS received contrast-enhanced CT and MRI scan. a-d images of plain and contrast-enhanced CT scan; a plain CT scan; b arterial phase; c porta-venous phase; patchy liver enhancement (arrow) and heterogeneous hypoattenuation (arrowhead) were shown; d equilibrium phases. e-f: images of pre-contrast and portal-venous phase on dynamic contrast-enhanced MRI scan;e pre-contrast MRI scan; f portal-venous phase of MRI scan. Heterogeneous hypointensity (arrowhead) and patchy enhancement (arrow) were shown