Radiculopathy as a complication of ankylosing spondylitis.

Lumbar radiculopathy in ankylosing spondylitis with dural ectasia

“…Dural ectasia is a dural degenerative disorder which is uncommon. Cervical radiculopathy and polyradiculopathy in AS has been reported, 10,11 but, to our knowledge, solitary (L5) radiculopathy has not been previously reported.…”

“…Monoradiculopathy and polyradiculopathy have been reported in two cases. 10,11 However, these patients had a radiculopathy which progressed to CES in association with AS without dural ectasia.…”

Progressive cauda equina syndrome and extensive calification/ossification of the lumbosacral meninges.

“…[1][2][3][4][5][6][7][8][9][10] Posterior saccular diverticula are seen when myelography is performed in the supine position. The CT shows erosions in the internal aspect of the posterior vertebral arch.…”