Document Detail

Cauda equina syndrome and dural ectasia: rare manifestations in chronic ankylosing spondylitis.
MedLine Citation:
PMID:  21606066     Owner:  NLM     Status:  MEDLINE    
Cauda equina syndrome (CES) is a rare manifestation in patients with long-standing ankylosing spondylitis (AS). We report a 57-year-old male patient with a 30-year history of AS who developed CES in the past 4 years. The CT and MRI examinations showed unique appearances of dural ectasia, multiple dorsal dural diverticula, erosion of the vertebral posterior elements, tethering of the conus medullaris to the dorsal aspect of the spinal canal and adhesion of the nerve roots of the cauda equina to the wall of the dural sac. A large dural defect was found at surgery. De-adhesion of the tethered conus medullaris was performed but without significant clinical improvement. The possible aetiologies of CES and dural ectasia in patients with chronic AS are discussed and the literature is reviewed.
C-C Liu; Y-C Lin; C-P Lo; T-P Chang
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Publication Detail:
Type:  Case Reports; Journal Article; Review    
Journal Detail:
Title:  The British journal of radiology     Volume:  84     ISSN:  1748-880X     ISO Abbreviation:  Br J Radiol     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-05-24     Completed Date:  2011-07-20     Revised Date:  2013-06-28    
Medline Journal Info:
Nlm Unique ID:  0373125     Medline TA:  Br J Radiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  e123-5     Citation Subset:  AIM; IM    
Department of Radiology, Buddhist Tzu Chi General Hospital, Taichung Branch, No. 66 Sec. 1 Fongsing Road, Taichung, Taiwan.
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MeSH Terms
Dilatation, Pathologic / diagnosis,  etiology,  surgery
Laminectomy / methods
Magnetic Resonance Imaging / methods
Middle Aged
Polyradiculopathy / diagnosis,  etiology*,  surgery
Spondylitis, Ankylosing / complications*,  diagnosis,  surgery
Tomography, X-Ray Computed / methods
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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