What is disc hydration loss?

* Loss of lumber lordosis* Loss of normal disc hydration seen at multiple levels

* Disc bulge seen at L2 -3 L3-4 L4-5 and L5-s1 levels indenting anterior thecal sac with impingement of the corresponding exit nerve roots at l3-4 l4-5 and l50s1 levels

* No spinal canal stenosis seen

* Normal vertebral bodises