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. 2014 Apr 29;14(1):18. doi: 10.1186/1470-7330-14-18

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Copyright © 2014 Guimaraes et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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A 29-year-old man Intestinal obstruction caused by intussusception. Patient with metastatic melanoma evolving into a clinical picture of intestinal obstruction. Computed tomographic images obtained after oral and intravenous iodinated contrast show intussusception with distention of the upstream small bowel loops. (A) Axial and (B) sagittal images showing the proximal portion of intussusception and invagination of the mesenteric adipose tissue toward its interior (arrows). (C) Axial and (D) sagittal images showing the distal portion of intussusception with parietal thickening of the invaginated small intestinal loops (arrows), which was confirmed as a melanoma metastasis after surgical resection.