Diffuse posterior disc bulging seen with some extrusion/sequestration of nuclear material in the midline and extending inferiorly. This extruded/sequestered fragment measures up to 2.7 cm craniocaudal and up to 1.1 x 1.4 cm in the axial plane. Significant central canal stenosis with AP diameter measuring 0.3 cm with impingement of the right S1 traversing nerve root. Bilateral L5 exiting nerve roots are preserved.
Mild facet joint arthropathy or ligamentum flavum hypertrophy.
The migrated disc showed typical characteristic peripheral enhancement post contrast.