Document Detail

Pedicle origin and intervertebral compartment in the lumbar and upper sacral spine. A biometric study.
MedLine Citation:
PMID:  2718807     Owner:  NLM     Status:  MEDLINE    
The osseous boundaries of the intervertebral compartment are described. Measurements of the pedicles demonstrate that their configuration determines the shape of the intervertebral compartment. The pedicles originate in the upper lumbar spine (L 1 and L 2) in a vertical direction from the posterior aspects of the vertebral bodies. In the caudal lumbar spine (L 4 and L 5) the origin of the pedicles is more oblique and thereby moves much more laterally and ventrally. As a consequence the horizontal extension of the pedicles is increasing in the lower lumbar spine. In the upper lumbar region the intervertebral compartment corresponds more to a foramen, in the lower lumbar spine more to a canal. The resulting clinical relevance for the length of the intervertebral compartment and the nerve root course is discussed.
S Pfaundler; U Ebeling; H J Reulen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta neurochirurgica     Volume:  97     ISSN:  0001-6268     ISO Abbreviation:  Acta Neurochir (Wien)     Publication Date:  1989  
Date Detail:
Created Date:  1989-06-15     Completed Date:  1989-06-15     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0151000     Medline TA:  Acta Neurochir (Wien)     Country:  AUSTRIA    
Other Details:
Languages:  eng     Pagination:  158-65     Citation Subset:  IM    
Department of Neurosurgery, University Hospital, Inselspital, Bern, Switzerland.
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MeSH Terms
Aged, 80 and over
Lumbar Vertebrae / anatomy & histology*
Middle Aged
Sacrum / anatomy & histology*

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