Research Article
Posterolateral Endoscopic Lumbar Decompression Rotate-to-Retract Technique for Foraminal Disc Herniation: A Technical Report
Figure 1
(a) Insertion of working channel at a steeper angle than usual PLELD |
(b) Working cannula is retrieved until its tip is outside the disc |
(c) C-arm image of working cannula in place and discogram obtained |