Presentation
Low back pain radiating to the left lower limb.
Patient Data
Age: 40 years
Gender: Female
From the case:
Disc extrusion
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There is a left paracentral disc extrusion at the L5-S1 level, compressing the thecal sac and the S1 nerve root. The extruded disc material has a broader dome than a neck with no extension above or below the endplates on sagittal sequences.
Dehydrated L4-L5 disc.
Case Discussion
Disc extrusion is a type of intervertebral disc herniation which has:
- a broader dome than a neck (base) in at least one plane
and/or
- extends above or below the endplates