Abstract
We report here a rare case of fourth ventricular ependymoma in an adult. A 42-year-old woman has complained of vertigo vomiting and headache for three months duration. Vertigo gradually worsened and she admitted to our hospital.
Neurootological findings were : retrolabyrinth hearing impairment on the left side, continuous-right-directional gaze nystagmus and positioning nystagmus, and saccadic eye movement in the eye tracking test. Slow phase velocity of OKN was limited bilaterally, especially on the left side.
Base on these findings, a diagnosis of forth ventricular tumor was made. Surgery revealed an ependymoma.
Now, two years have gone after our treatment. Ependymoma was no recurrence.
