Familial adult myoclonus epilepsy: Clinical findings, disease course, and comorbidities.

Familial adult myoclonus epilepsy (FAME) is an autosomal dominant condition characterized by the association of myoclonic tremor and epilepsy mainly with onset in adulthood. The clinical course is non-progressive or slowly progressive, as epilepsy is commonly controlled with appropriate antiseizure medication and individuals have a normal life expectancy. However, the myoclonus severity increases with age and leads to some degree of disability in the elderly. Because the non-coding repeat expansions responsible for FAME are not detected by routine genetic tests being used at this time, a clinical diagnosis accompanied by neurophysiological testing remains essential to guide the geneticist on the selection of the specific genetic technique.

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