Neuro-otologocal Examination of A Patient with Late Cortical Cerebellar Atrophy.

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A 65 year-old male patient had been treated for Late cortical cerebellar atrophy (LCCA) for 7 years. His neuro-otological findings and a review of the literature on LCCA are presented in this paper.<BR>In 1985, this patient was found to have down-beat nystagmus and gaze nystagmus. Electronystagmography (ENG) showed a very abnormal pattern. His eye tracking test (ETT) showed saccadic pursuit, no optokinetic nystagmus and no visual suppression. The neuro-otological findings suggested a cerebellar lesion, although he had no neurological abnormality.<BR>In 1986, trunkal ataxia and speech disturbance appeared. MRI showed atrophy of the vermis. These findings led us to the clinical diagnosis of LCCA.<BR>It was interesting that the neuro-otological findings preceded the neurological signs. Probably the oculomotor system and the equilibrium system of this patient with LCCA are degenerating separately.
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