Are there any therapeutic options for cauda equina syndrome secondary to dural ectasia in end-stage ankylosing spondylitis?  

The cauda equina syndrome is a rare complication in patients with ankylosing spondylitis (AS). Patients with longstanding disease leading to significant ankylosis of the spine have the highest risk of developing it. The likely underlying mechanism is arachnoiditis leading to damage of the lumbosacra...