“…204 Earlier surgeries such as nervus intermedius resection, greater superficial petrosal nerve resection, and trigeminal nerve resection were performed but had high rates of recurrence coupled with the risk of significant side effects. 140,203,205 In SUNCT, DBS, 200,206 microvascular decompression, 207-209 balloon compression of the gasserian ganglion, 210 and Gamma Knife radiosurgery 211 have been reported; however, evidence regarding efficacy is limited to investigational case reports and case series.…”