Res Vestib Sci.  2009 Jun;8(1):49-51.

Periodic Alternating Nystagmus in Vestibulocochlear Disorder

Affiliations
  • 1Department of Neurology, Chungnam National University, College of Medicine, Chungnam National University Hospital, Chungnam, Korea.
  • 2Department of Neurology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Bundang, Korea.

Abstract

Periodic alternating nystagmus (PAN) is characterized by horizontal nystagmus that reverses direction periodically. PAN can occur in both congenital and acquired conditions. We report a 58-year old man with peripheral vertigo and hearing impairment showing PAN in darkness.

Keyword

Vertigo; Hearing loss; Nystagmus, Pathologic; Meniere Disease

MeSH Terms

Darkness
Hearing Loss
Meniere Disease
Nystagmus, Pathologic
Vertigo
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