wiltse approach

Lumbar Discectomy Techniques

Disectomy Technique for Posterolateral L4/5 disc 




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