Orphanet: Fatal infantile hypertonic myofibrillar myopathy

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Fatal infantile hypertonic myofibrillar myopathy

Disease definition

Fatal infantile hypertonic myofibrillar myopathy is a rare, genetic skeletal muscle disease characterized by muscle stiffness and rigidity, hypertonia, weakness, respiratory distress and normal cognition. Patients have persistently elevated creatine kinase and histopathology is typical of myofibrillar myopathy. The manifestation onset follows the short period of normal infantile development and leads to progressive respiratory insufficiency and early death.


Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Infancy, Neonatal
  • ICD-10: G71.2
  • OMIM: 613869
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information

Article for general public

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