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  • Title: Choreas, hereditary and other ataxias, tics, myoclonus, and other movement disorders.
    Author: Tolosa E, Berciano J.
    Journal: Curr Opin Neurol Neurosurg; 1993 Jun; 6(3):358-68. PubMed ID: 8507906.
    Abstract:
    Developments in the field of Huntington's disease have focused on the potential benefits of predictive testing. Markers have been described for autosomal dominant cerebellar ataxia and for certain subtypes of Friedrich's ataxia. Argentophilic neuronal and glial inclusions appear to be the first specific pathologic hallmark of multiple system atrophy. "Pure" hereditary spastic paraplegia is not a multisystem disorder of the central nervous system, but a monomorphic and stereotyped disease. Advances in Tourette's syndrome are limited because the presumed gene eludes identification. A new type of myoclonus, propiospinal myoclonus, has been described. Clinical and electrophysiologic criteria for defining primary orthostatic tremor have been proposed. Understanding of the neurophysiologic substrate of essential tremor and myoclonus is improving. New neurologic disorders presenting clinically with prominent movement disorder continue to be described.
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