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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Unilateral biportal endoscopic discectomy versus percutaneous endoscopic lumbar discectomy in the treatment of lumbar disc herniation: a retrospective study

Fig. 1

A, B Preoperative sagittal and axial magnetic resonance images in a 34-year-old male patient complaining of left radicular leg pain, showing L4–L5 disc herniation on the left side. C Image of the patient who underwent unilateral biportal endoscopic discectomy. D Endoscopic image showing the relaxation of L5 nerve root after decompression. E, F Postoperative sagittal and axial magnetic resonance images made one day after surgery. High signal intensity (red arrow) indicating blood extravasates. G, H Postoperative computed tomography made two days after surgery showing defect of lamina after partial laminotomy

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