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. 2022 May 10;16(6):906–917. doi: 10.31616/asj.2021.0421

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Copyright © 2022 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 — Case example for grade 2 collapse. (A, B) Preoperative anteroposterior and lateral radiograph demonstrating grade 2 collapse at L4. (C) Preoperative sagittal computed tomography (CT) image showing inferior endplate collapse at L4. (D) Preoperative sagittal magnetic resonance imaging (MRI) showing foraminal stenosis (white arrow). (E, F) Postoperative radiographs at 24 months after LIF. (G) Postoperative coronal CT image showing bony fusion 24 months postoperatively (white arrow). (H) Postoperative parasagittal MRI shows indirectly decompressed neural foramen (white arrow).