Document Detail

Vascular malformations, rare causes of sciatic neuropathy: a case series.
MedLine Citation:
PMID:  20881578     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Sciatica is typically a clear-cut symptom complex commonly related to an impingement at the spinal nerve level. Etiologies of sciatic neuropathy outside the neural foramina are uncommon.
OBJECTIVE: To describe 4 patients presenting with radiating leg pain due to sciatic nerve involvement, all with a vascular etiology.
METHODS: Four patients presenting with neuropathic pain were retrospectively reviewed. Preoperative 3 Tesla magnetic resonance imaging was used to identify these lesions, which most commonly showed diffuse T2 changes with nerve enhancement upon administration of contrast.
RESULTS: Exploration revealed vascular lesions. All patients went on to external and limited internal neurolysis of the involved sciatic nerve segment. Intraoperative histological study confirmed the presence of a venous angioma, an arteriovenous malformation, a venous malformation associated with Klippel-Trenaunay syndrome, and a capillary hemangioma. Follow-up demonstrated stable neurological examinations with reduction in pain at 1 year or greater.
CONCLUSION: In patients with sciatic distribution symptoms and signs, after initial negative spine imaging, high-resolution imaging of the sciatic nerve itself should be undertaken to address rarer causes such as vascular abnormalities. In these cases, exploration and fascicular biopsy provided a diagnosis; external and limited internal neurolysis improved pain.
Jamie J Van Gompel; Christoph J Griessenauer; Bernd W Scheithauer; Kimberly K Amrami; Robert J Spinner
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Neurosurgery     Volume:  67     ISSN:  1524-4040     ISO Abbreviation:  Neurosurgery     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-30     Completed Date:  2011-01-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7802914     Medline TA:  Neurosurgery     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1133-42; discussion 1142     Citation Subset:  IM    
Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota, USA.
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MeSH Terms
Sciatic Neuropathy / etiology*
Vascular Malformations / complications*
Young Adult

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

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