Abstract

Positional vertigo and positional nystagmus are usually due to peripheral vestibular disorders; there is no doubt that the most common etiology is benign paroxysmal positional vertigo. However, it should be cautious that the differential diagnosis for patients presenting with a findings of positional vertigo or positional nystagmus. In this review, we discuss uncommon causes of positional vertigo or positional nystagmus that result from lesion or dysfunction of central vestibular system, not peripheral vestibular structures.

• Keywords: Central origin vertigo; Positional vertigo; Positional nystagmus;