Objective: To report a case of sporadic progressive ataxia and palatal tremor (PAPT).

Background: PAPT is a rare disease with few case reports. It is considered a variant of Palatal Myoclonus (PM) when it occurs in the sporadic form. The etiology is unknown as well as its incidence.

Results: We report the case of a 43-year-old man previously normal. Six months before he started with unpleasant involuntary movement of the soft palate. Simultaneously he developed cerebellar dysarthria, discrete fluid swallowing difficulties and gait problems. The symptoms reached an apparent plateau since then. His past medical and familial history was non-contributory except by his bad mouth hygiene and teeth conservation. The brain MRI (T2-Weighted images) demonstrated Cerebellum atrophy with hypertrophy and hypersignal on inferior olivary nucleus. The findings suggested sporadic PAPT .

Conclusions: PAPT is a rare disease with few case reports. It is considered a variant of Palatal Myoclonus (PM) when occurs sporadically. The underline etiology and pathology remains unknown as well its real incidence. We tried treatment with clonazepan but he did not respond to the therapy.

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MDS Abstracts - https://www.mdsabstracts.org/abstract/progressive-ataxia-and-palatal-tremor-a-case-report/