1. Cinotti G, Roysam GS, Eisenstein SM, Postacchini F. Ipsilateral recurrent lumbar disc herniation: a prospective, controlled study. J Bone Joint Surg Br 1998 80:825–832. PMID:
9768893.
2. Ehrendorfer S. Ipsilateral recurrent lumbar disc herniation. J Bone Joint Surg Br 1999 81:368PMID:
10204952.
3. Ozgen S, Naderi S, Ozek MM, Pamir MN. Findings and outcome of revision lumbar disc surgery. J Spinal Disord 1999 12:287–292. PMID:
10451043.
4. Papadopoulos EC, Girardi FP, Sandhu HS, et al. Outcome of revision discectomies following recurrent lumbar disc herniation. Spine (Phila Pa 1976) 2006 31:1473–1476. PMID:
16741457.
5. Suk KS, Lee HM, Moon SH, Kim NH. Recurrent lumbar disc herniation: results of operative management. Spine (Phila Pa 1976) 2001 26:672–676. PMID:
11246384.
6. Fu TS, Lai PL, Tsai TT, Niu CC, Chen LH, Chen WJ. Long-term results of disc excision for recurrent lumbar disc herniation with or without posterolateral fusion. Spine (Phila Pa 1976) 2005 30:2830–2834. PMID:
16371913.
7. Ahn Y, Lee SH, Park WM, Lee HY, Shin SW, Kang HY. Percutaneous endoscopic lumbar discectomy for recurrent disc herniation: surgical technique, outcome, and prognostic factors of 43 consecutive cases. Spine (Phila Pa 1976) 2004 29:E326–E332. PMID:
15303041.
8. Knight MT, Ellison DR, Goswami A, Hillier VF. Review of safety in endoscopic laser foraminoplasty for the management of back pain. J Clin Laser Med Surg 2001 19:147–157. PMID:
11469307.
9. Knight MT, Goswami A, Patko JT, Buxton N. Endoscopic foraminoplasty: a prospective study on 250 consecutive patients with independent evaluation. J Clin Laser Med Surg 2001 19:73–81. PMID:
11443793.
10. Knight MT, Vajda A, Jakab GV, Awan S. Endoscopic laser foraminoplasty on the lumbar spine: early experience. Minim Invasive Neurosurg 1998 41:5–9. PMID:
9565957.
11. Ruetten S, Komp M, Godolias G. An extreme lateral access for the surgery of lumbar disc herniations inside the spinal canal using the full-endoscopic uniportal transforaminal approach-technique and prospective results of 463 patients. Spine (Phila Pa 1976) 2005 30:2570–2578. PMID:
16284597.
12. Yeung AT, Yeung CA. Advances in endoscopic disc and spine surgery: foraminal approach. Surg Technol Int 2003 11:255–263. PMID:
12931309.
13. Yeung AT. The evolution of percutaneous spinal endoscopy and discectomy: state of the art. Mt Sinai J Med 2000 67:327–332. PMID:
11021785.
14. Yeung AT, Yeung CA. Minimally invasive techniques for the management of lumbar disc herniation. Orthop Clin North Am 2007 38:363–372. PMID:
17629984.
15. Ruetten S, Komp M, Merk H, Godolias G. Full-endoscopic interlaminar and transforaminal lumbar discectomy versus conventional microsurgical technique: a prospective, randomized, controlled study. Spine (Phila Pa 1976) 2008 33:931–939. PMID:
18427312.
16. Ruetten S, Komp M, Merk H, Godolias G. Use of newly developed instruments and endoscopes: full-endoscopic resection of lumbar disc herniations via the interlaminar and lateral transforaminal approach. J Neurosurg Spine 2007 6:521–530. PMID:
17561740.
17. Ruetten S, Komp M, Godolias G. A New full-endoscopic technique for the interlaminar operation of lumbar disc herniations using 6-mm endoscopes: prospective 2-year results of 331 patients. Minim Invasive Neurosurg 2006 49:80–87. PMID:
16708336.
18. Kim JM, Lee SH, Ahn Y, Yoon DH, Lee CD, Lim ST. Recurrence after successful percutaneous endoscopic lumbar discectomy. Minim Invasive Neurosurg 2007 50:82–85. PMID:
17674293.
19. Lee SH, Kang BU, Ahn Y, et al. Operative failure of percutaneous endoscopic lumbar discectomy: a radiologic analysis of 55 cases. Spine (Phila Pa 1976) 2006 31:E285–E290. PMID:
16648734.
20. Mullin WJ, Heithoff KB, Gilbert TJ Jr, Renfrew DL. Magnetic resonance evaluation of recurrent disc herniation: is gadolinium necessary? Spine (Phila Pa 1976) 2000 25:1493–1499. PMID:
10851097.
21. Lehmann TR, LaRocca HS. Repeat lumbar surgery: a review of patients with failure from previous lumbar surgery treated by spinal canal exploration and lumbar spinal fusion. Spine (Phila Pa 1976) 1981 6:615–619. PMID:
6461073.
22. Cinotti G, Gumina S, Giannicola G, Postacchini F. Contralateral recurrent lumbar disc herniation: results of discectomy compared with those in primary herniation. Spine (Phila Pa 1976) 1999 24:800–806. PMID:
10222532.
23. Jönsson B, Strömqvist B. Repeat decompression of lumbar nerve roots: a prospective two-year evaluation. J Bone Joint Surg Br 1993 75:894–897. PMID:
8245078.
24. Dai LY, Zhou Q, Yao WF, Shen L. Recurrent lumbar disc herniation after discectomy: outcome of repeat discectomy. Surg Neurol 2005 64:226. –231. discussion 31. PMID:
16099250.
25. Ebeling U, Kalbarcyk H, Reulen HJ. Microsurgical reoperation following lumbar disc surgery: timing, surgical findings, and outcome in 92 patients. J Neurosurg 1989 70:397–404. PMID:
2915246.
26. Hoogland T, Schubert M, Miklitz B, Ramirez A. Transforaminal posterolateral endoscopic discectomy with or without the combination of a low-dose chymopapain: a prospective randomized study in 280 consecutive cases. Spine (Phila Pa 1976) 2006 31:E890–E897. PMID:
17108817.
27. Kambin P, O'Brien E, Zhou L, Schaffer JL. Arthroscopic microdiscectomy and selective fragmentectomy. Clin Orthop Relat Res 1998 (347): 150–167. PMID:
9520885.
28. Kambin P, Zhou L. Arthroscopic discectomy of the lumbar spine. Clin Orthop Relat Res 1997 (337): 49–57. PMID:
9137176.
29. Lee DY, Ahn Y, Lee SH. Percutaneous endoscopic lumbar discectomy for adolescent lumbar disc herniation: surgical outcomes in 46 consecutive patients. Mt Sinai J Med 2006 73:864–870. PMID:
17117312.
30. Lee S, Kim SK, Lee SH, et al. Percutaneous endoscopic lumbar discectomy for migrated disc herniation: classification of disc migration and surgical approaches. Eur Spine J 2007 16:431–437. PMID:
16972067.
31. Sasani M, Ozer AF, Oktenoglu T, Canbulat N, Sarioglu AC. Percutaneous endoscopic discectomy for far lateral lumbar disc herniations: prospective study and outcome of 66 patients. Minim Invasive Neurosurg 2007 50:91–97. PMID:
17674295.
32. Luukkonen MT. Medial facetectomy in recurrent lumbar nerve root compression. J Spinal Disord Tech 2005 18:48–51. PMID:
15687852.
33. Choi G, Lee SH, Raiturker PP, Lee S, Chae YS. Percutaneous endoscopic interlaminar discectomy for intracanalicular disc herniations at L5-S1 using a rigid working channel endoscope. Neurosurgery 2006 58(1 Suppl): ONS59–ONS68. PMID:
16479630.
34. Kambin P, Savitz MH. Arthroscopic microdiscectomy: an alternative to open disc surgery. Mt Sinai J Med 2000 67:283–287. PMID:
11021778.
35. Kambin P, Gennarelli T, Hermantin F. Minimally invasive techniques in spinal surgery: current practice. Neurosurg Focus 1998 4:e8PMID:
17206771.
36. Mayer HM, Brock M. Percutaneous endoscopic discectomy: surgical technique and preliminary results compared to microsurgical discectomy. J Neurosurg 1993 78:216–225. PMID:
8267686.
37. Mayer HM, Brock M. Percutaneous endoscopic lumbar discectomy (PELD). Neurosurg Rev 1993 16:115–120. PMID:
8345904.
38. Mayer HM, Brock M, Berlien HP, Weber B. Percutaneous endoscopic laser discectomy (PELD): a new surgical technique for non-sequestrated lumbar discs. Acta Neurochir Suppl (Wien) 1992 54:53–58. PMID:
1595409.
39. Jang JS, An SH, Lee SH. Transforaminal percutaneous endoscopic discectomy in the treatment of foraminal and extraforaminal lumbar disc herniations. J Spinal Disord Tech 2006 19:338–343. PMID:
16826005.