• J Neurol Surg A Cent Eur Neurosurg · Jul 2013

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

    • Min-Jie Chen, Li-Xu Gu, Wei-Jie Zhang, Chi Yang, and Min-Jun Dong.
    • Department of Oral and Maxillofacial Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai, China.
    • J Neurol Surg A Cent Eur Neurosurg. 2013 Jul 1;74(4):251-7.

    ObjectiveTo introduce our device and procedure of electromagnetic navigation (EMN)-guided radiofrequency thermocoagulation (RFT) in patients with trigeminal neuralgia (TN).MethodsThe 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.ResultsFO 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.ConclusionThe 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.Georg Thieme Verlag KG Stuttgart · New York.

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