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Learn how a lumbar disc herniates and
can cause lower back pain
Sciatica is leg pain caused by a
problem in the low back.
See how a disc degenerates and how it can cause pain and other symptoms
I can't help with your answer... but I'm curious... how did your doctor detect the fluid pocket? X-ray.. MRI... some other imaging technique? Can you see in the imaging the impingement on the spinal nerve column the same way you would see a herniated disc?