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Inclusion body myositis

Disease definition

A rare degenerative inflammatory disorder of skeletal muscles characterized by late onset weakness, starting in either the quadriceps or finger flexors and slowly progressing to include other groups of limb muscles. Distinctive histopathological features include inflammatory and degenerative features.


Classification level: Disorder
  • Synonym(s):
    • IBM
    • Sporadic inclusion body myositis
    • sIBM
  • Prevalence: 1-9 / 1 000 000
  • Inheritance: Not applicable 
  • Age of onset: Adult, Elderly
  • ICD-10: M60.8
  • OMIM: 147421
  • UMLS: C0238190  C0751713
  • MeSH: -
  • GARD: 3896
  • MedDRA: 10066407

Detailed information

Article for general public


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