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J Neurol Surg A Cent Eur Neurosurg. 2013 Jul;74(4):251-7. doi: 10.1055/s-0032-1330953. Epub 2013 Jan 10.

Electromagnetic navigation-guided radiofrequency thermocoagulation in trigeminal neuralgia: technical note with three case reports.

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1
Department of Oral and Maxillofacial Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai, China.

Abstract

OBJECTIVE:

To introduce our device and procedure of electromagnetic navigation (EMN)-guided radiofrequency thermocoagulation (RFT) in patients with trigeminal neuralgia (TN).

METHODS:

The EMN system mainly consists of an electromagnetic localizer, a thermoplastic facial mask with fiducial markers, and navigation software. A new surgical interface in which the foramen ovale (FO) and the trigeminal ganglion (TG) were integrated was used. It was applied in three patients with TN.

RESULTS:

FO was successfully and accurately cannulated on the first attempt by using EMN guidance. During the follow-up period, pain did not reoccur, and appropriate trigeminal sensory paresthesia was elicited. There were no surgery-related complications.

CONCLUSION:

The EMN system is effective and highly accurate for RFT in patients with primary TN. Our modification of the registration system and surgical interface could make the RFT process more simple and accurate.

PMID:
23307309
DOI:
10.1055/s-0032-1330953
[Indexed for MEDLINE]
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