3.1 Patients
In total, 10 patients were enrolled in our study. The demographic characteristics of the patients were summarized in Table 1. There were 4 men and 6 women, ranging in age at diagnosis of SSNHL from 26 to 70 years with a mean age of 46.2 ± 13.16 years. Of the 10 patients enrolled in this study, 9 showed a tumor on the same side of SSNHL, with 4 on the left side and 5 on the right. There was one patient with SSNHL in bilateral ear who had an incidental finding of AN in the right ear (case 8). Among the 10 patients, 9 (90%) complained of tinnitus and 2 patients (20%) complained of dizziness as accompanying symptoms. Three patients underwent vestibular function examination with 1 patient showed reduced function of the left horizontal semicircular canal, 1 patient showed reduced function of the right horizontal semicircular canal and 1 patient with positive positional test.
3.2 Audiology