question: I underwent a discectomy in Nov 12 at L4-5 level. The sciatica (mlld) again appeared wef Jul 13.My MRI report of 14 Aug says \"L4-5 disc reveals moderate diffuse posterior bulge indenting the thecal sac and bilaterally traversing nerve roots. A focal hyperintensity is seen on T2 weighted images- High Intensity Zone within its posterior margin in midline suggestive of a partial annular tear.Presently am getting sciatica pain in my hips and ankle.