Dopa-Responsive Dystonia in a Ten-Year-Old Girl

Children with recent onset dystonia and gait abnormalities may pose a diagnostic challenge. A ten-year-old, developmentally normal girl, presented with a six-month history of gait abnormality and dystonia. Her complaint worsened as the day progressed. In view of typical diurnal variation of dystonia, a therapeutic challenge with levodopa/carbidopa was given and there was a dramatic response. Hence, a diagnosis of dopa-responsive dystonia (DRD) was made. DRD is an inherited disorder characterized by dystonia with diurnal variation and favorable response to levodopa/carbidopa. The inheritance is usually autosomal dominant, however, in some cases, autosomal-recessive inheritance is also seen.

Abstract licence: CC BY-NC-SA

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