no symptoms rarely vertigo, postural instability may be indicative of a disorder, central (brain stem, cerebellum) of various origin (vascular, neoplastic, degenerative, etc...)
in most cases are associated with other symptoms like double vision, ataxia, numbness, difficulty articulating speech, impaired memory, or sometimes the only symptom.
In these cases, the vestibular examination shows signs typical for central pathology (v.filmato) and a good history and physical examination may lead to a presumptive diagnosis was then confirmed by radiological investigations such as CT and MRI.
Treatment depends on the disease and may be medical or surgical treatment and less time to diagnose the better the prognosis.
