Effects of the MR-DTI Characteristics of the Trigeminal Ganglion Target on Radiofrequency Treatment in Patients with Trigeminal Neuralgia: A Retrospective Observational Clinical Study

Table 3

Correlation between characteristics of the TGT and number of punctures in PSR (n = 17).

No.	TGs (mm^2)	TGTs (mm^2)	L1 (mm)	L2 (mm)	TGT/TG (%)	Punctures
1	20.6	3.1	2	1.9	15.1	1
2	22.4	4.6	2.8	2	20.5	1
3	29.3	4.4	3	1.9	15.0	1
4	51.6	3.1	2.2	1.4	6.0	1
5	19	5	2.5	2.1	26.3	1
6	15.9	2.5	2.3	1.4	15.7	3
7	27.2	5	2.8	2.4	18.4	1
8	15.4	4.4	2.7	2.2	28.6	1
9	29.1	4.3	2.6	2.1	14.8	1
10	26.6	4.7	2.6	2.3	17.7	1
11	29.4	5.4	3	2.3	18.4	1
12	29	4	2.4	2	13.8	1
13	24.6	4.5	2.5	2.2	18.3	1
14	24.8	4	2.6	1.9	16.1	1
15	20.4	3.9	2.5	1.9	19.1	1
16	20.8	5.3	2.7	2.2	25.5	1
17	21.2	4.1	2.6	2	19.3	1