Movement Disorders Clinical Practice | 2021
Monochorea of the Upper Limb in a Patient with Spinocerebellar Ataxia Type 12
Abstract
Autosomal dominant cerebellar ataxias are classified according to genetic subtype and collectively known as SCAs. Movement disorders including tremor, dystonia, parkinsonism, chorea, myoclonus, paroxysmal nonkinesigenic dyskinesia, stiff person-like syndrome, akathisia, myokymia, stuttering, tics, restless leg syndrome, spasmodic-like dysphonia, laryngeal stridor, and palatal tremor have been reported in some of the SCAs. They may be present at the disease onset or during the overall disease course and sometimes they may be present even before the development of ataxia.