Left – midline sagittal T2WI shows disk desiccation and minimal disc bulges with no
significant compression of the spinal canal.
Middle – Left sided T1WI sagittal shows a lesion within the left L3-L4 foramen, compressing
the exiting nerve root. The lesion appears to be contiguous with the intervertebral disc.
Right – Axial T2 (upper) and T1WIs (lower) at the L3-L4 level disclose a left lateral disc
extrusion within the lateral foramen.
Key words: degenerative disk herniation extrusion mri
Lateral extruded disk