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. 2022 Jun 3;64(8):1483–1509. doi: 10.1007/s00234-022-02986-x

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© The Author(s) 2022

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. 7 — Left sphenoid sinus mucocele with high protein content in a 53-year-old male patient with headache. MRI shows a large mass (white arrows) displacing the ipsilateral internal carotid artery posteriorly (white dotted arrow) on T2W axial image (a) and the pituitary gland superiorly (white dotted arrow) on T2W sagittal image (b). Sphenoid sinus is markedly enlarged with mucous content and peripheral rim enhancement on axial (c) and sagittal (d) T1W fat-saturated CE images. No sign of superimposed infection or invasion of the adjacent structures is observed