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The multiple twists in the tale: Brain iron accumulation, facial jerks, and truncal dystonia: Expert commentary

      Highlights

      • Myoclonus dystonia related to epsilon sarcoglycan mutations presents a wide range of symptoms in location and severity of dystonia and myoclonus.
      • Mood disorders and non-motor symptoms, although frequent may no by present in all patients.
      • Phenomenology and careful clinical evaluation with precise description of symptoms is very important in any type of dystonia to better understand the pathophysiology and expand the genotype/phenotype knowledge.
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