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. 2019 May 31;14:26. doi: 10.1186/s13017-019-0245-2

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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. 2 — CT classification of corrosive injuries of the esophagus. a Grade I—homogenous enhancement of the esophageal wall while wall edema and mediastinal fat stranding are absent. b Grade IIa—internal enhancement of the esophageal mucosa and hypodense aspect of the esophageal wall which appears thickened, concomitant enhancement of the outer wall confers a “target” aspect. c Grade IIb—fine rim of external wall enhancement, the necrotic mucosa does not enhance anymore and fills the esophageal lumen which shows liquid density. d Grade III injuries show the absence of post-contrast wall enhancement