Fig. 3From: Comparison of 270-degree percutaneous transforaminal endoscopic decompression under local anesthesia and minimally invasive transforaminal lumbar interbody fusion in the treatment of geriatric lateral recess stenosis associated with degenerative lumbar spondylolisthesisIllustrations of the 270-degree PTED. A, B Specific pathologic features of LRS-DLS. C, D Final view of the nerve 270-degree decompression status and the restoration of the lateral recessBack to article page