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. 2019 Jul 20;13:220. doi: 10.1186/s13256-019-2155-z

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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. 1 — a–c Sagittal magnetic resonance imaging. a T1-weighted image. b T2-weighted image. c T1-weighted gadolinium-enhanced image. Intradural extramedullary mass at the level of L2–L3 showing T1-low, T2-high signals enhanced uniformly with gadolinium (arrow). d Lateral myelography showing a total block of contrast below the level of L2–L3 and capping of contrast by the mass (arrowhead)