Fig. 7From: Percutaneous transforaminal endoscopic decompression with removal of the posterosuperior region underneath the slipping vertebral body for lumbar spinal stenosis with degenerative lumbar spondylolisthesis: a retrospective studyIllustrations of the endoscopic decompression procedure. (A, C) The special pathological compression of DLS with LSS was shown on the sagittal (A) and cross-sectional planes (C), (B, D) The PRSVB and hypertrophic LF were removed under endoscopy. The final view of the state of nerve decompression and the enlargement of spinal canal, foramen and lateral recessBack to article page