Disk
herniations (DH):
‘Extrusion-DH’
Are quite absent in asymptomatic population
‘Extrusion-DH’ = 1% of cases
‘Protrusion-DH’ = 1/3 of cases
‘Extrusion-DH’
= Mostly symptomatic.
Extrusion-DH
Protrusion-DH
Type:
T2
T2