Document Detail


Dorsal thoracic spinal cord herniation: report of an unusual case and review of the literature.
MedLine Citation:
PMID:  23092719     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND CONTEXT: Spinal cord herniation is a rare but well-documented condition that has been associated with tethering through the dural defect. Both spinal cord herniation and cord tethering result in progressive myelopathy that can be improved or stabilized with surgical intervention. Most cases of herniation are caused by dural defects in the ventral or ventrolateral thoracic spine, rarely occurring through the dorsal dura. This is the first reported case of a spontaneous dorsal herniation. PURPOSE: To describe a unique case of thoracic tethered cord resulting from a dorsal dural defect through which there is spinal cord herniation. STUDY DESIGN: A case report and review of the literature. METHODS: A 55-year-old man presented with progressive low back pain, paresthesias, and weakness in his left lower extremity that was exacerbated by walking. Imaging revealed a dorsal dural defect with tethering and herniation of the spinal cord at T7. RESULTS: The patient underwent a T6-T7 laminoplasty to release the tethered cord and repair the dural defect. At 1-year follow-up, the patient noted improvement in strength and back spasticity. CONCLUSIONS: Spinal cord herniation through a dural defect is an uncommon but important cause of symptomatic tethered cord in adults. Surgical intervention can significantly alter the course and prevent further disability.
Authors:
Tri C Le; Betsy H Grunch; Isaac O Karikari; Ankit I Mehta; Timothy R Owens; Oren N Gottfried; Carlos A Bagley
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-20
Journal Detail:
Title:  The spine journal : official journal of the North American Spine Society     Volume:  -     ISSN:  1878-1632     ISO Abbreviation:  Spine J     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101130732     Medline TA:  Spine J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Published by Elsevier Inc.
Affiliation:
Division of Neurosurgery, Duke University Medical Center, DUMC 3807, Durham, NC 27710, USA.
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