The purpose of this study is to evaluate the vestibular effects of gamma-knife radiosurgery, as part of the treatment of vestibular schwannoma.
Men and women aged 18 to 90 included
Subject who benefited from gamma-knife radiosurgery as part of the treatment of vestibular schwannoma
Non-opposition of the subject to participate in the study
Affiliation to a French social security scheme or beneficiary of such a scheme
Subject with another vestibular pathology
Subject who did not benefit from a vestibular assessment before treatment with gamma-knife radiosurgery
Legal incapacity or limited legal capacity
Subject unlikely to cooperate in the study and/or weak cooperation anticipated by the investigator