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. 2021 Oct 18;11:40. doi: 10.1186/s12348-021-00272-0

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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 — A 20-year old COVID-19-affected patient presented with rhino-orbitocerebral mucormycosis. (A) Complete blepharoptosis and inflammatory signs are seen on the left side. There is a mild proptosis on the right side. (B) Note the conjunctival injection, the chemosis and the corneal oedema. (C) Coronal and (D, E) Axial contrast-enhanced brain CT scan show thickening with infiltration of left hemiface fat planes (white stars); left pre-septal collection (arrow) with exophthalmos and lengthening of the antero-posterior axis of the eyeball (large arrow). This collection reaches the cellulo-fatty tissues next to the left maxillary sinus (curved arrow), the latter is the site of a partial liquid filling. The left cavernous sinus shows signs of thrombosis (black arrow). (F) axial T2 weighted image MRI showing T2 hypersignals (large arrow) in areas of the frontal lobes confirming endocranial extension. (G) MR angiography shows left carotid artery thrombosis (arrow). (H) 3D T1 weighted sequence with contrast shows left cavernous sinus thrombosis (curved arrow)