Patient, tumor, and RF ablation characteristics

Patient (No.)	Age/Sex (yr)	Anatomic Site	Nidus Size (mm)	Distance^{^a} (mm)	Ablation Time (min:sec)	Articulation	Wattage	Follow-Up (mo)
1^{^b}	32/M	C5 lateral mass	8 × 7 × 5	5	6:09	Yes	3 and 5	27
2	16/M	C7 transverse process	10 × 8 × 7	1	5:23	Yes	3 and 5	26
3	15/F	L2 superior articular process	10 × 9 × 9	2	1:55	Yes	3 and 5	23
4	6/M	C7 superior articular process	13 × 9 × 8	0	5:41	No	3 and 5	19
5	13/M	T10 pedicle	19 × 15 × 13	0	9:04	No	3 and 5	11
6	18/F	L2 vertebral body	7 × 6 × 6	0	9:08	Yes	3 and 5	6
7	13/M	C5 superior articular process	10 × 9 × 7	4	9:57	No	3 and 5	1

↵a Shortest distance from the central canal/neuroforamen. A distance of 0 mm indicates that the nidus involved the cortex, compromising the central canal or neuroforamen.
↵b This patient's data have been previously published.⁸