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    Gamma Knife radiosurgery for the treatment of trigeminal neuralgia: A single center-experience
    (2024) Akçakaya, Mehmet Osman; Mirkhasilova, Muyassar; Öztürk, Onur; Uğurlar, Doğa; Tönge, Mehmet; Alço, Gül; Ercan, Tülay; İğdem, Şefik; Karadereler, Selhan
    Introduction and objectives: We aimed to assess the outcomes of patients with trigeminal neuralgia (TGN) who underwent Gamma Knife radiosurgery (GKRS). Materials and methods: Fifty-three patients with typical TGN underwent GKRS from May 2012 until December 2022. Among these patients, 45 patients who were follow-up for at least 12 months were included in the study. A mean dose of 87.5 Gy (range, 80–90) was administered to the trigeminal nerve. Postoperatively, outcome was considered excellent if the patient was pain- and medication-free. Results: The mean symtpom duration was 9.53 years, and the mean patient age was 59.8 years (range, 34–85). The mean follow-up period was 46.8 months (range, 12–127 months). 46.7% of patients had a history of previous surgical interventions. A single nerve division was affected in 14 patients (31.1%), and multiple divisions were affected in 31 patients (68.9%). The rate of initial pain relief was 80%. Hypoesthesia in the area of trigeminal nerve developed in 30 (66.7%). Twenty patients (44.4%) exhibited excellent results within 72.4 months. Recurrence occurred in 11 patients (24.4%) with 27.6 months. Conclusions: Our results suggest that GKRS is a safe and effective procedure. Thus, it is an attractive first- and second-line treatment choice for TGN.