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Sudden unilateral deafness usually suggests a cochlear impairment but a brainstem stroke should also be evoked especially when brainstem signs are associated. Deafness with brainstem infarct was described many years ago1 but bilateral deafness has been very rarely reported2-4 and would have a poor prognosis.3 We report a case of lateral inferior pontine infarct disclosed by bilateral deafness with a favourable course.
A 74 year old man with diabetes mellitus and auricular fibrillation regularised for two years, suddenly experienced a right deafness associated with vertigo and gait disorder. Three days later, deafness became bilateral. Clinical examination showed a major bilateral cerebellar ataxia and dysmetria without tinnitus, facial palsy, lateral gaze paresis, Horner syndrome, tactile, …