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X-knife stereotactic radiosurgery on the trigeminal ganglion to treat trigeminal neuralgia: a preliminary study.
MedLine Citation:
PMID:  21302189     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND: Stereotactic radiosurgery is an attractive option for elderly patients and those who do not tolerate the more invasive surgical procedures available for trigeminal neuralgia (TN). In the majority of the studies, the target location was designated as the proximal nerve at the root entry zone (REZ). The purpose of this article was to evaluate the efficacy of and complications associated with X-knife stereotactic radiosurgery on the trigeminal ganglion (TG) for TN.
PATIENTS AND METHODS: 40 patients with typical idiopathic TN were treated with X-knife. The maximum radiation dose was 70 Gy. A 4-mm collimator and a 9-arc technique were employed. Treatment was focused at the TG.
RESULTS: At the last follow-up (mean follow-up period: 7.9 months, range: 1-19 months), pain relief for all patients was excellent in 16 (40%), good in 17 (42.5%), for a total success rate of 82.8%. The mean time to initial relief was 12.5 days ranging from immediate in onset (<24 h) to 2 months. One patient (3.0%) experienced some recurrent pain. 3 patients (7.5%) experienced noticeable subjective facial numbness. Hearing impairment was found in 1 patient (2.5%), and ulceration of the temporal skin was seen in 2 patients (5%).
CONCLUSION: Similar to other TN radiosurgery reports, X-knife stereotactic radiosurgery for TN provides effective pain relief with a low complication rate.
Authors:
M-J Chen; Z-Y Shao; W-J Zhang; Z-H Wang; W-H Zhang; H-S Hu
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Publication Detail:
Type:  Journal Article     Date:  2011-02-07
Journal Detail:
Title:  Minimally invasive neurosurgery : MIN     Volume:  53     ISSN:  1439-2291     ISO Abbreviation:  Minim Invasive Neurosurg     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2011-02-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9440973     Medline TA:  Minim Invasive Neurosurg     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  223-8     Citation Subset:  IM    
Copyright Information:
© Georg Thieme Verlag KG Stuttgart · New York.
Affiliation:
Department of Oral and Maxillofacial Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai, People's Republic of China.
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