Fig.7. CT examination at the level of L5-S1: Left-side paramedian hernia of the intervertebral dusk of L5-S1, protruding into the canal lumen as far as 8 mm (1/3 of the sagittal lumen of the canal). The dural sac is dislocated in a dorsal direction; the dural infundibulum of the S1 left root is pushed aside and thickened; the posterior epidural space is not differentiated.