What is the role of MRI and CT scanning in the evaluation of ankylosing spondylitis (AS) in patients with bowel or bladder dysfunction?

Updated: Sep 03, 2019
  • Author: Lawrence H Brent, MD; Chief Editor: Herbert S Diamond, MD  more...
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Patients who develop bowel or bladder dysfunction should be evaluated immediately with MRI to assess for possible cauda equina syndrome secondary to spinal stenosis. The presence of cauda equina syndrome is a surgical emergency necessitating decompression within 48 hours to prevent permanent loss of function.

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