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Arq. neuropsiquiatr ; 73(4): 350-358, 04/2015. tab
Article in English | LILACS | ID: lil-745748

ABSTRACT

The definition and classification of the dystonias was recently revisited. In the new 2013 classification, the dystonias are subdivided in terms of their etiology according to whether they are the result of pathological changes or structural damage, have acquired causes or are inherited. As hereditary dystonias are clinically and genetically heterogeneous, we sought to classify them according to the new recently defined criteria. We observed that although the new classification is still the subject of much debate and controversy, it is easy to use in a logical and objective manner with the inherited dystonias. With the discovery of new genes, however, it remains to be seen whether the new classification will continue to be effective.


O conceito e a classificação das distonias foram recentemente revisados. Na nova classificação de 2013, quanto à etiologia, as distonias podem ser subdividas em relação às alterações patológicas, aos danos estruturais, às causas adquiridas e à hereditariedade. Como as distonias hereditárias são clínica e geneticamente heterogêneas, buscamos classifica-las segundo os novos critérios estabelecidos recentemente. Observamos que apesar da nova classificação das distonias ainda ser objeto de discussões e controvérsias, ela pode usada com facilidade, de uma maneira lógica e objetiva, no contexto das distonias hereditárias. Com a descoberta de novos genes poderemos observar se essa classificação continuará sendo efetiva.


Subject(s)
Adolescent , Adult , Child , Female , Humans , Male , Dystonia/classification , Dystonia/genetics , Dystonic Disorders/classification , Dystonic Disorders/genetics , Age of Onset , Chorea/classification , Chorea/genetics , Mutation/genetics , Myoclonus/classification , Myoclonus/genetics , Parkinsonian Disorders/classification , Parkinsonian Disorders/genetics
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