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Periodic alternating nystagmus associated with Arnold-Chiari malformation

Published online by Cambridge University Press:  08 March 2006

Stavros Korres ,
Dimitrios G. Balatsouras ,
Christos Zournas ,
Constantinos Economou ,
Stylianos D. Gatsonis  and
Georgios Adamopoulos
Stavros Korres
Affiliation:
ENT Clinic of Athens National University, Otology Unit, Ippokration Hospital, Athens, Greece
Dimitrios G. Balatsouras
Affiliation:
ENT Clinic of Athens National University, Otology Unit, Ippokration Hospital, Athens, Greece
Christos Zournas
Affiliation:
ENT Clinic of Athens National University, Otology Unit, Ippokration Hospital, Athens, Greece
Constantinos Economou
Affiliation:
ENT Clinic of Tzanion General Hospital, Piraeus, Greece
Stylianos D. Gatsonis
Affiliation:
Department of Neurology of Athens National University, Eginition Hospital, Athens, Greece
Georgios Adamopoulos
Affiliation:
ENT Clinic of Athens National University, Otology Unit, Ippokration Hospital, Athens, Greece
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Abstract

The Arnold-Chiari malformation type I is a rare congenital condition characterized by herniation of the cerebellar tonsils into the upper cervical spinal tract. Various otoneurological manifestations occur in patients with the disease, which has usually been associated with a downbeat type of nystagmus. In this paper a case with this condition is reported presenting with periodic alternating nystagmus (PAN), which is a rare type of nystagmus observed in diseases of the central nervous system of different pathologies. The patient had a complete otoneurological examination and vestibular function testing. Diagnosis was established by using magnetic resonance imaging (MRI).

Keywords

Arnold-Chiari MalformationNystagmus, Pathologic
Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 115 , Issue 12 , December 2001 , pp. 1001 - 1004
Copyright
© Royal Society of Medicine Press Limited 2001

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