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. 2021 Feb 15;12:20. doi: 10.1186/s13244-021-00969-9

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Wooden stick. Axial CT image in soft tissue window (a) shows phlegmonous fat stranding in the left buccal region, surrounding multiple hypodense features (arrows), giving the impression of emphysema. Closer inspection of the lung windows (b) reveals that one of the hypodense structures has a discernible internal structure (dashed arrow), distinguishing it from the homogenously hypodense gas locules (arrowheads). Three pieces of a wooden stick were surgically removed (c)