Table 4: Facial nerve function in cystic and solid VS, at discharge and 6 months after surgery, according to the House Brackmann (HB) classification: The incidence of postoperative facial palsy was statistically significant in cystic SV.

 

CVS (n = 12)

SVS (n = 32)

P value

Early postoperative facial nerve function

I

00

02 (6, 25%)

< 0.001

II

02 (16, 67%)

09 (28, 12%)

< 0.001

III

04 (33, 33%)

10 (31, 25%)

< 0.001

IV

03 (25%)

11 (34, 37%)

< 0.001

V

01 (08, 33%)

00

< 0.001

VI

02 (16, 67%)

00

< 0.001

After 6 months follow-up

I

02 (16, 67%)

10 (31, 25%)

< 0.001

II

04 (33, 33%)

12 (37, 5%)

< 0.001

III

01 (08, 33%)

03 (9, 37%)

< 0.001

IV

02 (16, 67%)

07 (21, 87%)

< 0.001

V

01 (08, 33%)

00

< 0.001

VI

02 (16, 67%)

00

< 0.001

CVS: Cystic Vestibular Schwanomma; SVS: Solid Vestibular Schwanomma