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Congenital muscular dystrophy without intellectual disability

Disease definition

Congenital muscular dystrophy without intellectual disability is a rare, genetic, congenital muscular dystrophy due to dystroglycanopathy disorder characterized by a wide phenotypic spectrum which includes hypotonia and muscular weakness present at birth or early infancy, delayed or arrested motor development, and normal intellectual abilities with normal (or only mild abnormalities) neuroimaging studies. Feeding difficulties, joint and spinal deformities, and respiratory insufficiency may be associated. Decreased alpha-dystroglycan on immunohistochemical muscle staining and elevated serum creatine kinase are observed.

ORPHA:370980

Classification level: Disorder
  • Synonym(s):
    • CMD without intellectual disability
    • CMD-no MR
    • Congenital muscular dystrophy-dystroglycanopathy without intellectual disability
  • Prevalence: -
  • Inheritance: -
  • Age of onset: Neonatal, Infancy
  • ICD-10: G71.2
  • OMIM: 606612  613152
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

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