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A rare genetic persistent combined dystonia disorder characterised by slowly progressive severe caudo-rostrally spreading generalised dystonia with prominent facial and oro-mandibular involvement leading to severe anarthria and/or aphonia, swallowing difficulties and gait disturbances. Additional manifestations include slowed horizontal saccades, subclinical epilepsy, photic myoclonus, oral hypertrophic changes (for example gingival or lingual hyperplasia) as well as delayed milestones and cognitive impairment.
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A rare genetic persistent combined dystonia disorder characterized by slowly progressive severe caudo-rostrally spreading generalized dystonia with prominent facial and oro-mandibular involvement leading to severe anarthria and/or aphonia, swallowing difficulties and gait disturbances. Additional manifestations include slowed horizontal saccades, subclinical epilepsy, photic myoclonus, oral hypertrophic changes (for example gingival or lingual hyperplasia) as well as delayed milestones and cognitive impairment.
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