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. 2016 May 27;95(21):e3450. doi: 10.1097/MD.0000000000003450

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Copyright © 2016 Wolters Kluwer Health, Inc. All rights reserved.

This is an open access article distributed under the Creative Commons Attribution-NoDerivatives License 4.0, which allows for redistribution, commercial and non-commercial, as long as it is passed along unchanged and in whole, with credit to the author. http://creativecommons.org/licenses/by-nd/4.0

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Primary hepatic neuroendocrine tumor in a 59-year-old man (case 6). A, Conventional B-mode ultrasonography revealed a monolocular lesion (arrow) with a wall nodule (arrow head) 17.6 cm in diameter. B, C, Contrast-enhanced ultrasonography obtained at 18 s (B) and 45 s (C) showed hyperenhancement in the wall nodule (arrow head) in the arterial phase (B) and hypoenhancement in the portal venous phase (C). CT revealed a cystic lesion (arrow) with a wall nodule (arrow head) in the plain phase (D) and hyperenhancement in the wall nodule (arrow head) in the arterial phase (E) and hypoenhancement in the portal venous phase (F).