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Brody myopathy

Disease definition

A rare genetic skeletal muscle disease characterized by childhood onset of exercise-induced progressive impairment of muscle relaxation, stiffness, cramps, and myalgia, predominantly in the arms, legs, and face (eyelids), and, biochemically, by a reduced sarcoplasmic reticulum Ca(2+)-ATPase activity. Symptoms improve after a few minutes of rest and may be exacerbated by cold. The term Brody syndrome refers to a clinically distinguishable subset of patients without ATP2A1 mutations, with adolescence or adult onset and selective muscular involvement, in which myalgia is more common.


Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive or Autosomal dominant 
  • Age of onset: Adolescent, Adult, Childhood
  • ICD-10: G71.8
  • OMIM: 601003
  • UMLS: C1832918
  • MeSH: C536607
  • GARD: 9158
  • MedDRA: -
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