Fig. 2

A 51-year-old female treated with PEID. (A-B) Lumbar spine X-ray, anteroposterior and lateral views. (C-D) Lumbar MRI scans showing L5/S1 lumbar disc herniation. (E-F) Insertion of the working cannula. (G) Depression of the S1 nerve root. (H) Herniated nucleus pulposus. (I-J) Postoperative decompression status