Document Detail

Abducens schwannoma inside the cavernous sinus proper: case report.
MedLine Citation:
PMID:  15165798     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Only 2 cases of abducens nerve schwannoma solely inside the cavernous sinus have been reported. In both cases, abducens nerve palsy remained after operation. We report the first case of abducens nerve schwannoma inside the cavernous sinus proper with postoperative recovery from abducens nerve palsy. CASE DESCRIPTION: The patient was a 47-year-old female who developed left abducens and trigeminal nerve palsies. Neuroradiological examination revealed left intra-cavernous sinus tumor. Total removal of the tumor was performed. The location of the tumor was confirmed intraoperatively inside the cavernous sinus itself, with no relation to the trigeminal nerve. Further, the relation of the tumor to one particular nerve fiber within the abducens nerve bundle was confirmed inside the cavernous sinus. After surgery, the patient had transient abducens nerve palsy. It had totally disappeared by 6 months. CONCLUSION: When the tumor origin is just within the spacious cavernous sinus rather than more posterior in the narrow dural tunnel of Dorello's canal, successful preservation of the nerve function is possible postoperatively through a thorough knowledge of the membranous anatomy and careful preoperative study of the radiographic findings.
Toru Nakagawa; Koichi Uchida; Mehmet Faik Ozveren; Takeshi Kawase
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Surgical neurology     Volume:  61     ISSN:  0090-3019     ISO Abbreviation:  Surg Neurol     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-05-28     Completed Date:  2004-06-17     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0367070     Medline TA:  Surg Neurol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  559-63; discussion 563     Citation Subset:  IM    
Department of Neurosurgery, Keio University School of Medicine, Tokyo, Japan.
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MeSH Terms
Abducens Nerve / pathology*,  surgery
Cavernous Sinus
Cranial Nerve Neoplasms / pathology*,  surgery
Magnetic Resonance Imaging
Middle Aged
Neoplasm Invasiveness
Neurilemmoma / pathology*,  surgery

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