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. 2016 Aug 23;17(5):565–580. doi: 10.3348/kjr.2016.17.5.565

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Copyright © 2016 The Korean Society of Radiology

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 17 — 29-year-old man presented with pain and fever after percutaneous discectomy. Seven days after discectomy for disc extrusion, sagittal T1-weighted imaging (T1WI) (A) showed focal cortical discontinuity (arrow) and faint marrow signal changes. Corresponding fat-suppressed, contrast-enhanced sagittal T1WI (B) showed prominent epidural enhancement (arrows). MRI (images not shown) performed 20 days after first post-operative MRI revealed aggravation of infectious changes.