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Stereotactic radiosurgery for glossopharyngeal neuralgia: preliminary report of 5 cases.
MedLine Citation:
PMID:  21740122     Owner:  NLM     Status:  Publisher    
Object Glossopharyngeal neuralgia (GPN) is a rare pain disorder characterized by severe, stabbing pain of the ear, posterior tongue, and throat. The authors report their early experience of using stereotactic radiosurgery (SRS) as an alternative to posterior fossa surgery for patients with medically resistant GPN. Methods Five patients (3 men, 2 woman) with medically resistant GPN underwent Gamma Knife surgery. The radiosurgical target was the distal portion of the glossopharyngeal and vagus nerves at the jugular foramen (glossopharyngeal meatus). The maximum radiation dose in all cases was 80 Gy. The median follow-up after radiosurgery was 13 months (range 2-19 months). Results Three patients became pain-free at 2 days, 3 days, and 2 weeks, respectively, and were able to discontinue the medications taken preoperatively for their pain. None of these patients have suffered recurrent pain since becoming pain free. Two patients experienced no benefit from the procedure and underwent posterior fossa surgery 2 and 5 months after SRS. Both of these patients continued to have pain after posterior fossa surgery. One of these patients was later discovered to have a head and neck cancer as the cause of his pain. No patient developed hoarseness or dysphagia after radiosurgery. Conclusions This preliminary experience demonstrates that SRS is an option for patients with medically resistant GPN. Additional follow-up and a larger number of patients are needed to demonstrate the long-term safety and optimal radiation dosimetry for this indication.
Bruce E Pollock; Christopher J Boes
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-8
Journal Detail:
Title:  Journal of neurosurgery     Volume:  -     ISSN:  1933-0693     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0253357     Medline TA:  J Neurosurg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Departments of Neurological Surgery.
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