Table 1. Demographics and clinical presentation of subjects studied.

Subject/Gender	Age	Trigeminal division affected	Laterality	Medications	Effect of treatment	Post GKRS numbness	Post treatment MR gadolinium enhancement
S1/F	43	V1, V2, V3	Left	Intolerant/poor effectiveness	Significant improvement initially, pain recurred at 1 year	No	Yes
S2/F	77	V2, V3	Right	Carbamazepine 800 mg daily	No pain at one year post treatment	No	No
S3/M	53	V1, V2	Right	Carbamazepine 600 mg daily	No pain at 6 months	No	No
S4/F	82	V2	Left	Intolerant/poor effectiveness	No pain at 6 months	No	Yes
S5/F	83	V1	Left	Intolerant/poor effectiveness	No pain at 6 months	No	Yes