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. 2018 Jun 27;8:9740. doi: 10.1038/s41598-018-28152-z

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© The Author(s) 2018

Open Access This 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Two CTA Risk Findings for Postoperative PND. Oblique sagittal MPR image showing dissection involving the thoracic aorta and supra-aortic branches. An entry tear (black arrow) is located in the aortic arch, and the intimal flap extends into the aAO in a retrograde fashion. Note the thrombosis (white arrow) in the false lumen, due to the integrated intimal flap in the aAO. The two CTA findings, which exist simultaneously, indicate an extremely high risk of thrombus in the false lumen extending to the cerebrum via the entry point. CTA = CT angiography; PND = permanent neurological dysfunction; MPR = multiplanar reformation; aAO = ascending aorta.