Document Detail

Cervical myelopathy in patients with congenital cervical block vertebrae.
MedLine Citation:
PMID:  20058448     Owner:  NLM     Status:  MEDLINE    
Thirty-two patients with congenital cervical block vertebrae are reviewed. Twenty-nine patients had single level fusion, one had two-level fusion, and the remaining two had multilevel fusion. Eighteen patients had cervical myelopathy; five of these had related trauma and 13 had no history of trauma. The five patients who had cervical myelopathy following trauma underwent magnetic resonance imaging (MRI); three of them had abnormalities in the spinal cord at the segment adjacent to fusion. In all five patients the symptoms and signs were attributed to the segment adjacent to fusion. Myelography, computed tomographic myelography and MRI were performed in 11 of the 13 patients with cervical myelopathy without trauma. In 9 of them maximum compression of the spinal cord was not seen at the segment adjacent to fusion. The major factor contributing to cervical myelopathy was associated spinal canal stenosis. Seven patients with cervical myelopathy without history of trauma were treated surgically, six of whom had spinal canal stenosis treated by enlargement of the spinal canal: subtotal corpectomy and arthrodesis was performed in three, and open-door expansive laminoplasty in three. Anterior interbody arthrodesis was performed in one patient without spinal canal stenosis. All recovered from the myelopathy postopera-tively. When a trauma occurs, it concentrates stress at the segment adjacent to fusion, resulting in possible spinal cord injury. On the other hand, when there is no trauma, spinal canal stenosis is the principal factor contributing to cervical myelopathy.
N Shirasaki; K Okada; S Oka
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society     Volume:  2     ISSN:  0940-6719     ISO Abbreviation:  Eur Spine J     Publication Date:  1993 Jun 
Date Detail:
Created Date:  2010-01-11     Completed Date:  2010-03-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9301980     Medline TA:  Eur Spine J     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  46-50     Citation Subset:  IM    
Department of Orthopaedic Surgery, Osaka Seamen's Insurance Hospital, Osaka, Japan.
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MeSH Terms
Cervical Vertebrae / abnormalities*
Middle Aged
Musculoskeletal Abnormalities / complications
Retrospective Studies
Spinal Cord Diseases / etiology*,  surgery*
Spinal Cord Injuries / complications
Spinal Fusion
Spinal Stenosis / complications
Treatment Outcome
Young Adult

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