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. 2020 May 21;14(6):790–800. doi: 10.31616/asj.2019.0297

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Copyright © 2020 by Korean Society of Spine Surgery

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4. — Pseudomeningocele. (A) A huge pseudomeningocele formed at the subcutaneous layer connecting to the deeper inside of the spinal canal at postoperative week 8 MRI. (B) Revision using biportal endoscopic spinal surgery into the pocket for debridement and to eliminate the pseudomembrane and trace the tract into the remnant orifice (*) of the dura. It is already healed and left as a crescent shape. (C) TachoSil is patched at the orifice. (D) Postrevision 4-week MRI shows a successfully resolved state. MRI, magnetic resonance imaging.