A comparison study of posterior cervical percutaneous endoscopic ventral bony decompression and simple dorsal decompression treatment in cervical spondylotic radiculopathy caused by cervical foraminal and/or lateral spinal stenosis: a clinical retrospective study

摘要

Surgical procedure. Surgeon during operation. The position of the working sleeve. Removal of ventral osteophytes. Both and Spinal cord is represented by yellow and black circle, respectively. Vertebral edge with ventral osteophytes removed is represented by yellow triangle, ventral pressure substances is represented by black triangle, nerve root is represented by black diamond