Table 1.

Demographic, clinical, surgical and outcome data for patients with glossopharyngeal neuralgia treated with Gamma Knife radiosurgery

Patient	Age	Sex	NV conflict	Target	Dose (Gy)	Total follow-up (months)	Result at 3 months	Result at last follow-up	Subsequent Treatment
1	83	F	Yes	GPM	60	7	Class I	Class V	Repeat GKR
				GPM	70	10	Class I	Class V	TC twice
2	62	M	No	Cistern	70	24	Class IV	Class V	CS
3	66	M	Yes	Cistern	70	24	Class IV	Class V	MVD
4	49	M	No	GPM	75	32	Class I	Class I	None
5	71	M	Yes	GPM	80	13	Class I	Class II	None
6	36	F	No	GPM	80	10	Class I	Class I	None
7	65	M	Yes	GPM	80	8	Class I	Class II	None

Cistern: Cisternal segment of the glossopharyngeal nerve, Class I: Pain-free without medication, Class II: Pain-free with medication, Class IV: Pain frequency reduction between 50 to 90%, Class V: No significant reduction in pain frequency, CS: Cortical stimulator, F: Female, GKR: Gamma Knife radiosurgery, GPM: Distal part of the glossopharyngeal nerve at the glossopharyngeal meatus of the jugular foramen, Gy: Gray, M: Male, MVD: Microvascular decompression, NV: Neurovascular, TC: Thermocoagulation.