Spondylodegenerative changes of the lumbar spine with fatty degeneration of the vertebral endplates.
Secondary canal stenosis at T12/L1 level.
Diffuse disc bulges at L3/L4, L4/L5 and L5/S1 levels indenting the thecal sac and both nerve roots.
The high signal intensity on T1W images may be due to the presence of immature calcium.