Document Detail

Are there typical localisations of lumbar disc herniations? A prospective study.
MedLine Citation:
PMID:  1414514     Owner:  NLM     Status:  MEDLINE    
A prospective intra-operative analysis of the location of lumbar disc herniation was performed in 131 patients with verified 54% contained (incomplete) and 46% non-contained (complete) lumbar disc herniations. Bulging discs or protrusions are not included in this study. Complete disc herniations occurred more frequently in the upper lumbar spine. The localization of the lumbar disc herniations within its segment showed no correlation to the affected level. 64% of the disc herniations were located medio-laterally, 20% laterally, 12% within or lateral of the intervertebral compartment and 5% in the midline. Nearly one third of all herniations were found at the level of the disc space. Medio-lateral disc herniations were displaced more often in a caudal direction, lateral herniations were found displaced upwards and downwards with similar frequency while extraforminal herniations migrated significantly more often in a cranial direction. The pathomechanism and anatomical pathways of disc fragment migration are discussed on the basis of a new concept of the anterior extradural space.
U Ebeling; H J Reulen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta neurochirurgica     Volume:  117     ISSN:  0001-6268     ISO Abbreviation:  Acta Neurochir (Wien)     Publication Date:  1992  
Date Detail:
Created Date:  1992-11-04     Completed Date:  1992-11-04     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0151000     Medline TA:  Acta Neurochir (Wien)     Country:  AUSTRIA    
Other Details:
Languages:  eng     Pagination:  143-8     Citation Subset:  IM    
Neurosurgical Clinic, University of Berne, Switzerland.
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MeSH Terms
Aged, 80 and over
Intervertebral Disk Displacement / diagnosis,  surgery*
Lumbar Vertebrae / surgery*
Magnetic Resonance Imaging
Middle Aged
Prospective Studies
Tomography, X-Ray Computed

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