Imaging characteristics of orbital peripheral nerve sheath tumors: Analysis of 34 cases

Table 1 Characteristics of 34 peripheral nerve sheath tumors patients

	Schwannoma (n = 21) (%)	Neurofibroma + plexiform neurofibroma (n =13) (%)	P value
Gender			0.290
Male	12 (57.1)	5 (38.5)
Female	9 (42.9)	8 (61.5)
Age (mean ± SD, yr)	47.33 ± 3.602	41.77 ± 4.595	0.347
Clinical symptoms
Exophthalmos	14 (66.7)	9 (69.2)	1.000
Limited eye movement	11 (52.4)	7 (53.8)	0.934
Eyelid swelling	14 (66.7)	7 (53.8)	0.455
Decreased vision	4 (19.0)	1 (7.7)	0.682
Dizzy	6 (28.6)	2 (15.4)	0.642
With NF-I	0 (0.0)	4 (30.8)	0.015a

^aP < 0.05.

NF-I: Neurofibromatosis type I.