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. 2019 Sep 5;15:55. doi: 10.1186/s13223-019-0369-7

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© The Author(s) 2019

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. 1 — Paranasal computed tomography images before treatment. Pretreatment computed tomography at 8 years and 6 months of age shows paranasal sinusitis. The scans reveal secretory reservoirs in the frontal, maxillary, ethmoid, and butterfly paranasal sinuses