wiltse approach

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