Ocular tilt reaction associated with a sudden idiopathic unilateral peripheral cochleovestibular loss |
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Authors: | D Vibert R H?usler AB Safran F Koerner |
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Affiliation: | University Clinic of ENT, Head and Neck Surgery, Inselspital, Berne, Switzerland. |
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Abstract: | We recently observed a female patient who was suffering from acute right peripheral cochleovestibular loss associated with a marked vertical diplopia. Otoneurological examination showed profound deafness, and absence of nystagmic response to caloric and pendular rotatory test in the right ear. Neuroophthalmological examination showed skew deviation with right hypotropia, excyclotorsion, and tilt of the static visual vertical directed to the right side. Immunological and serological examinations were normal. Neurological examination and extensive neuroradiological investigations failed to demonstrate any central nervous system involvement. In this patient, skew deviation and tilt of the static visual vertical were interpreted as signs of an acute unilateral otolithic dysfunction, due to a sudden idiopathic peripheral vestibular loss. |
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