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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Clinical effects of arthroscopic-assisted uni-portal spinal surgery and unilateral bi-portal endoscopy on unilateral laminotomy for bilateral decompression in patients with lumbar spinal stenosis: a retrospective cohort study

Fig. 2

Positioning and external observation before spinal decompression were performed by the two surgical methods. A and B Target disc space by AUSS method was confirmed via posteroanterior and lateral fluoroscopy. C Operative photograph showing OSE method for bilateral decompression. D and E Target disc space by the UBE method was confirmed via posteroanterior and lateral fluoroscopy. F Operative photograph showing UBE method for bilateral decompression

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X