and epidural steroid injections. If these measures do not help, surgery may be required. L5-S1 is one of the two most common sites for back surgery. The other is the area just above, called L4-L5.

Those with a history of previous lumbar spine surgery or those who had received epidural steroid injections within the last 6 months were excluded. Patients were randomized to injections with ...

Results: The disc signal intensity was progressively reduced the more caudal the disc space. It was most common at the L5/S1 level, and, of the abnormal group, 36% (n = 11) showed the most ...