CyberKnife radiosurgery for trigeminal neuralgia treatment: A preliminary multicenter experience

Alan T. Villavicencio, Michael Lim, Sigita Burneikiene, Pantaleo Romanelli, John R. Adler, Lee McNeely, Steven D. Chang, Laura Fariselli, Melinda McIntyre, Regina Bower, Giovanni Broggi, Jeffrey J. Thramann

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

OBJECTIVE: Radiosurgery has gained acceptance as a treatment option for trigeminal neuralgia. We report our preliminary multicenter experience treating trigeminal neuralgia with the CyberKnife (Accuray, Inc., Sunnyvale, CA). METHODS: A total of 95 patients were treated for idiopathic trigeminal neuralgia between May 2002 and October 2005. Radiosurgical dose and volume parameters were retrospectively analyzed in relation to pain response, complications, and recurrence of symptoms. Optimal treatment parameters were identified for patients who had excellent and sustained pain relief with no complications, including severe or moderate hypesthesia. RESULTS: Excellent pain relief was initially experienced by 64 out of 95 patients (67%). The median time to pain relief was 14 days (range, 0.3-180 d). Posttreatment numbness occurred in 45 (47%) of the patients treated. Using higher radiation doses and treating longer segments of the nerve led to both better pain relief and a higher incidence of hypesthesia. The presence of posttreatment numbness was predictive of better pain relief. The overall rate of complications was 18%. At the mean follow-up time of 2 years, 47 of the 95 patients (50%) had sustained pain relief, all of whom were completely off pain medications. CONCLUSION: The results of this study suggest the following optimal radiosurgical treatment parameters for treatment of idiopathic trigeminal neuralgia: a median maximal dose of 78 Gy (range, 70-85.4 Gy) and a median length of the nerve treated of 6 mm (range, 5-12 mm).

Original languageEnglish
Pages (from-to)647-654
Number of pages8
JournalNeurosurgery
Volume62
Issue number3
DOIs
Publication statusPublished - Mar 2008

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Trigeminal Neuralgia
Radiosurgery
Pain
Hypesthesia
Therapeutics
Median Nerve
Radiation
Recurrence
Incidence

Keywords

  • CyberKnife
  • Radiosurgical rhizotomy
  • Stereotactic radiosurgery
  • Trigeminal nerve
  • Trigeminal neuralgia

ASJC Scopus subject areas

  • Clinical Neurology
  • Surgery

Cite this

Villavicencio, A. T., Lim, M., Burneikiene, S., Romanelli, P., Adler, J. R., McNeely, L., ... Thramann, J. J. (2008). CyberKnife radiosurgery for trigeminal neuralgia treatment: A preliminary multicenter experience. Neurosurgery, 62(3), 647-654. https://doi.org/10.1227/01.neu.0000317313.46826.dc

CyberKnife radiosurgery for trigeminal neuralgia treatment : A preliminary multicenter experience. / Villavicencio, Alan T.; Lim, Michael; Burneikiene, Sigita; Romanelli, Pantaleo; Adler, John R.; McNeely, Lee; Chang, Steven D.; Fariselli, Laura; McIntyre, Melinda; Bower, Regina; Broggi, Giovanni; Thramann, Jeffrey J.

In: Neurosurgery, Vol. 62, No. 3, 03.2008, p. 647-654.

Research output: Contribution to journalArticle

Villavicencio, AT, Lim, M, Burneikiene, S, Romanelli, P, Adler, JR, McNeely, L, Chang, SD, Fariselli, L, McIntyre, M, Bower, R, Broggi, G & Thramann, JJ 2008, 'CyberKnife radiosurgery for trigeminal neuralgia treatment: A preliminary multicenter experience', Neurosurgery, vol. 62, no. 3, pp. 647-654. https://doi.org/10.1227/01.neu.0000317313.46826.dc
Villavicencio AT, Lim M, Burneikiene S, Romanelli P, Adler JR, McNeely L et al. CyberKnife radiosurgery for trigeminal neuralgia treatment: A preliminary multicenter experience. Neurosurgery. 2008 Mar;62(3):647-654. https://doi.org/10.1227/01.neu.0000317313.46826.dc
Villavicencio, Alan T. ; Lim, Michael ; Burneikiene, Sigita ; Romanelli, Pantaleo ; Adler, John R. ; McNeely, Lee ; Chang, Steven D. ; Fariselli, Laura ; McIntyre, Melinda ; Bower, Regina ; Broggi, Giovanni ; Thramann, Jeffrey J. / CyberKnife radiosurgery for trigeminal neuralgia treatment : A preliminary multicenter experience. In: Neurosurgery. 2008 ; Vol. 62, No. 3. pp. 647-654.
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