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Fig. 5 | Journal of Orthopaedic Surgery and Research

Fig. 5

From: Linical efficacy of percutaneous endoscopic lumbar discectomy for the treatment of lumbar spinal stenosis in elderly patients: a retrospective study

Fig. 5

A female patient with lumbar spinal stenosis (LSS) who received PELD. ae Preoperative X-ray radiography and computed tomography (CT) and magnetic resonance images (MRI) showing severe lateral recess stenosis and hypertrophy of the articular process and lumbar disc herniation with LSS at the left L4-5 level. f, g Intra-operative endoscopic images showing the medial side of the facet and osteophytes have been removed, and the neural tube has been completely decompressed. h Postoperative CT images showing the dorsal partial hypertrophied facet joint and ventral extruded disc had been removed

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