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Straightening of the lumbar spine with preserved alignment. Irregular L5 end plate margins. Decreased hydration of L4-5 disc depicted by the reduced T2 hyperintensity of the disc.
L4-5 disc posterior bulge with central annular tear and protrusion indenting ventral thecal sac, obliterating both lateral recess and compressing both exiting nerve roots.
L5-S1 disc posterior bulge with left posteorlateral annular tear and protrusion indenting ventral thecal sac, obliterating both lateral recess and compressing both exiting nerve roots.
Conus medullaris and cauda equina nerve roots are normal. Pre and paravertebral soft tissues are normal.