Magnetic resonance imaging-based classification of trigeminal nerve-superior cerebellar artery relationships

Table 1 Distribution of the superior cerebellar artery and trigeminal nerve superior cerebellar artery-trigeminal nerve relationships, n (%)

SCA-TN relationship	Total (n = 160)	Left (n = 80)	Right (n = 80)	P value	Females (n = 80)	Males (n = 80)	P value
Superior	49 (30.6)	22 (27.5)	27 (33.8)	0.852	28 (35)	21 (26.3)	0.209
Superolateral	28 (17.5)	14 (17.5)	14 (17.5)		10 (12.5)	18 (22.5)
Superomedial	14 (8.8)	9 (11.3)	5 (6.3)		7 (8.8)	7 (8.8)
Medial	22 (13.8)	9 (11.3)	13 (16.3)		7 (8.8)	15 (18.8)
Lateral	30 (18.8)	17 (21.3)	13 (16.3)		17 (21.3)	13 (16.3)
Inferior	7 (4.4)	3 (3.8)	4 (5)		3 (3.8)	4 (5)
Inferomedial	4 (2.5)	2 (2.5)	2 (2.5)		3 (3.8)	1 (1.3)
Inferolateral	4 (2.5)	3 (3.8)	1 (1.3)		3 (3.8)	1 (1.3)

SCA-TN: Superior cerebellar artery-trigeminal nerve.

Table 2 Mean superior cerebellar artery and trigeminal nerve superior cerebellar artery-trigeminal nerve distance, n (%)

SCA-TN distance	Total (n = 160)	Left (n = 80)	Right (n = 80)	P value	Females (n = 80)	Males (n = 80)	P value
Coronal distance	1.85 (1.28)	2.04 (1.37)	1.65 (1.15)	0.173	1.94 (1.27)	1.76 (1.29)	0.427

SCA-TN: Superior cerebellar artery-trigeminal nerve.

Table 3 Mean superior cerebellar artery and trigeminal nerve superior cerebellar artery-trigeminal nerve distance by anatomical relationship, n (%)

SCA-TN relationship	SCA-TN distance
Superior	2.29 (1.22)
Superolateral	2.03 (0.78)
Superomedial	2.15 (1.41)
Medial	0.45 (0.81)
Lateral	1.72 (1.25)
Inferior	1.52 (1.45)
Inferomedial	3.45 (0.60)
Inferolateral	1.73 (1.45)
P value	< 0.0011

¹Indicates statistical significance.

SCA-TN: Superior cerebellar artery-trigeminal nerve.