What is "cauda equina syndrome"?

Compression: Cauda equina is the cluster of nerve roots distal to the end of the spinal cord in the lumbosacral cistern, at the lower back. Compression due to disc rupture, tumor, or narrowing can cause leg weakness, and/or numbness, inability to initiate urination, constipation or diarrhea, and various expressions of pain. Can be lumber stenosis, which is gradual. All of the above need evaluation, ?Op.