Gray and white matter abnormalities in primary trigeminal neuralgia with and without neurovascular compression

Table 4 Comparisons of diffusion indexes between TN wNVC and HC groups

Anatomical region	Side	T max	P	Peak coordinates (MNI)			Cluster size (mm)
Anatomical region	Side	T max	P	x	y	z	Cluster size (mm)
FA TN wNVC vs. HC
Superior corona radiata	L	4.124	0.0022	−31	−30	27	218
Superior corona radiata	R	4.392	0.0028	28	−15	33	304
Anterior limb of internal capsule	R	5.920	0.0039	24	26	4	412
Splenium of corpus callosum		4.729	0.0030	−2	−36	31	542
Body of corpus callosum		5.325	0.0043	5	11	19	1332
Cingulum	R	4.782	0.0036	8	14	32	392
Genu of internal capsule	L	3.882	0.0019	−18	21	13	430
RD TN wNVC vs. HC
Splenium of corpus callosum		4.644	0.0037	3	−29	37	526
Anterior limb of internal capsule	R	5.801	0.0040	22	30	8	669
Posterior thalamic radiation	L	5.261	0.0035	−27	−49	21	573
Posterior corona radiata	L	4.602	0.0030	−37	−52	31	629
Posterior corona radiata	R	3.772	0.0017	28	−44	29	478

ISSN: 1129-2377