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. 2022 Oct 18;13:993645. doi: 10.3389/fneur.2022.993645

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Copyright © 2022 Cacciaguerra, Sechi, Rocca, Filippi, Pittock and Flanagan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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MRI and corresponding schematic representation of key findings on axial view of inflammatory myelopathies and their mimics. Each finding, labeled by a letter (A–L), is shown on the most appropriate magnetic resonance imaging sequence (e.g., T2-weighted image in the top row; post-contrast T1-weighted image in the bottom rows), a brief description is provided. Red color indicates inflammatory myelopathies, while blue color indicates their mimics. The figure was created with BioRender.com. The arrowheads in (J) highlight a peripheral area of enhancement surrounding the central dot sign; in (L) indicate two veins visible around the area of enhancement. AQP4+NMOSD, aquaporin-4-IgG-positive neuromyelitis optica spectrum disorders; CSF, cerebrospinal fluid; DAVF, dural arteriovenous fistula; ITM, idiopathic transverse myelitis; MOGAD, myelin oligodendrocyte glycoprotein antibody-associated disease; MS, multiple sclerosis.