Lumbar Discectomy Techniques
Disectomy Technique for Posterolateral L4/5 disc
Anatomy
L4/5 disc at level of facet joints
Interlaminar space is below disc
- have to take inferior aspect of superior lamina
Pedicle and transverse process at same level
Disc usually on one side
- hemilaminotomy
- no need to remove spinous process
- this preserves stability