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Spheroid body myopathy

Disease definition

Spheroid body myopathy is a rare form of myofibrillar myopathy characterized by predominantly proximal muscle weakness (that could be either non- or slowly progressive), associated with spheroid body inclusions (composed of myofilamentous material within individual muscle fibers) in skeletal muscle biopsy. Presentation is varied and may range from asymptomatic to severe muscle weakness that manifests with absent Achilles reflexes, gait abnormality and/or other motor incapacitations.


Classification level: Disorder
  • Synonym(s): -
  • Prevalence: Unknown
  • Inheritance: Autosomal dominant 
  • Age of onset: All ages
  • ICD-10: G71.8
  • OMIM: 182920
  • UMLS: C1866785
  • MeSH: -
  • GARD: 8711
  • MedDRA: -

Detailed information

Article for general public

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.