Orphanet: Proximal myopathy with extrapyramidal signs
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Proximal myopathy with extrapyramidal signs

Disease definition

Proximal myopathy with extrapyramidal signs is a rare, hereditary non-dystrophic myopathy characterized by proximal muscle weakness, delayed motor development, learning difficulties, and progressive extrapyramidal motor signs including chorea, dystonia and tremor. Variable additional features have been reported - ataxia, microcephaly, ophthalmoplegia, ptosis, and optic atrophy.

ORPHA:401768

Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Childhood, Infancy
  • ICD-10: G71.3
  • OMIM: 615673
  • UMLS: -
  • MeSH: -
  • GARD: 12978
  • MedDRA: -
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