Lumbar disc extrusion
From the case:
Lumbar disc extrusion
CT
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Axial non-contrast
Large L5/S1 disc extrusion compressing the right S1 nerve root.
From the case:
Lumbar disc extrusion
Annotated image
Sagittal
Extrusion: dome or edges of the herniation (B) are larger than the neck (A).