Conditions / Genetic

myoclonic dystonia 11

info · Genetic · ICD-10: G24.1

A myoclonic dystonia that is characterized by myoclonic jerks affecting mostly proximal muscles, and has_material_basis_in autosomal dominant inheritance of heterozygous mutation in the epsilon-sarcoglycan gene (SGCE) on chromosome 7q21.

Signs and symptoms

  • Decreased CSF 5-hydroxyindoleacetic acid concentration
  • Limb myoclonus
  • Depression
  • Myoclonus
  • Torticollis
  • Writer's cramp
  • Arm dystonia
  • Agoraphobia
  • Tremor
  • Decreased CSF homovanillic acid concentration