Fig. 3From: 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 studyImaging data of a typical case of L4/L5 lumbar spinal stenosis undergoing AUSS treatment. A, B Preoperative magnetic resonance imaging. C Preoperative computed tomography. D Computed tomography 1 week after surgeryBack to article page