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. 2016 Feb 25;2:20. doi: 10.1186/s40792-016-0147-4

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© Al Beteddini et al. 2016

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. 4 — Microphotographs showing the histopathological properties of the cyst. a Overall view of the ciliated foregut cyst (haematoxylin and eosin, ×22 magnification). b Pseudostratified ciliated columnar epithelium resting on sub-epithelial connective tissue, a smooth muscle layer and an outer fibrous layer (haematoxylin and eosin, ×349 magnification). c Mucus-laden goblet cells in some areas of the cyst (haematoxylin and eosin, ×540 magnification).d CK7-positive epithelial lining (CK7 immunohistochemical stain, ×400 magnification). The epithelium is negative for CK20 and CDX2 immunohistochemical stains (not shown in the figure)