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Foix-Chavany-Marie syndrome

Disease definition

Foix-Chavany-Marie syndrome (FCMS) is a cortico-subcortical suprabulbar or pseudobulbar palsy of the lower cranial nerves, characterized by severe dysarthria and dysphagia associated with bilateral central facio-pharyngo-glosso-masticatory paralysis, with prominent automatic-voluntary dissociation in which involuntary movements of the affected muscles are preserved.


  • Synonym(s):
    • Bilateral anterior opercular syndrome
    • Facio-pharyngo-glossal diplegia with automatic-voluntary movement dissociation
    • Facio-pharyngo-glosso-masticatory diplegia
  • Prevalence: <1 / 1 000 000
  • Inheritance: Not applicable 
  • Age of onset: All ages
  • ICD-10: G12.2
  • OMIM: -
  • UMLS: C2931412
  • MeSH: C537069
  • GARD: 2351
  • MedDRA: -

Detailed information

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Additional information

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