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. 2019 Nov 7;2019:6492675. doi: 10.1155/2019/6492675

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Copyright © 2019 Hyeun Sung Kim et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Case of early recurrence after PELD. Preoperative MRI shows L4–5 disc herniation left downward migrated type (a, b). Immediate postoperative MRI image shows L4–5 left side disc removed and left nerve root decompressed (c, d). However, 4 month later, follow-up MRI shows L4–5 disc reherination again at same operated site (e, f). According to scoring system, (1) age: 55 (2 point), (2) gender: female (0 point), (3) BMI: 23 kg/m² (0 point), (4) disc degeneration scale: 3 scale (1 point), (5) Modic change (0 point), (6) combined HNP: 1 level (0 point), (7) disc herniation episode: first (0 point), (8) annulus preservation: minimal annulotomy (0 point), (9) approach: transforaminal outside-in (0 point) (10) disc location: paracentral downward migrated (2 points) (11) herniated disc level: L4–5 (1 point), (12) disc height: 66% (1 point), (13) segmental dynamic motion: group 7 (0 point), (14) early ambulation: bed resting 5 days (0 point), (15) spinal orthosis: corset (0 point). Total score: 7 points (group B).