Upward gaze-evoked nystagmus with organoarsenic poisoning.

Nakamagoe, Kiyotaka; Ishii, Kazuhiro; Tamaoka, Akira; Shoji, Shin'ichi

Nakamagoe, Kiyotaka; Ishii, Kazuhiro; Tamaoka, Akira; Shoji, Shin'ichi.

Affiliation

Nakamagoe K; Department of Neurology, Ryugasaki Saiseikai Hospital, Ryugasaki, Ibaraki, 305-0854, Japan. k.nakamagoe@ryugasaki-hp.org

Neurology ; 66(1): 131-2, 2006 Jan 10.

Article in En | MEDLINE | ID: mdl-16401864

ABSTRACT

The authors report assessment of abnormal ocular movements in three patients after organoarsenic poisoning from diphenylarsinic acid. The characteristic and principal sign is upward gaze-evoked nystagmus. Moreover, vertical gaze holding impairment was shown by electronystagmography on direct current recording.

Subject(s)

Arsenic Poisoning/complications; Arsenic Poisoning/physiopathology; Nystagmus, Pathologic/chemically induced; Nystagmus, Pathologic/physiopathology; Adolescent; Adult; Arsenic Poisoning/diagnosis; Arsenicals/adverse effects; Chemical Warfare Agents/adverse effects; Female; Fixation, Ocular/drug effects; Fixation, Ocular/physiology; Humans; Japan; Magnetic Resonance Imaging; Mesencephalon/drug effects; Mesencephalon/pathology; Mesencephalon/physiopathology; Nystagmus, Pathologic/diagnosis; Oculomotor Muscles/innervation; Oculomotor Muscles/physiopathology; Oculomotor Nerve/drug effects; Oculomotor Nerve/pathology; Oculomotor Nerve/physiopathology; Water Pollutants, Chemical/adverse effects

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Collection: 01-internacional Database: MEDLINE Main subject: Nystagmus, Pathologic / Arsenic Poisoning Type of study: Diagnostic_studies Limits: Adolescent / Adult / Female / Humans Country/Region as subject: Asia Language: En Journal: Neurology Year: 2006 Document type: Article Affiliation country: Japan Country of publication: United States

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