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Charcot-Marie-Tooth disease type 4F

Disease definition

Charcot-Marie-Tooth disease type 4F (CMT4F) is a severe, demyelinating subtype of Charcot-Marie-Tooth disease type 4 characterized by the childhood onset of a slowly-progressing typical CMT phenotype (i.e. distal muscle weakness and atrophy, as well as pes cavus) that presents severe sensory loss (frequently with sensory ataxia), moderately to severely reduced motor nerve conduction velocities and almost invariable absence of sensory nerve action potentials, and delayed motor milestones.


Classification level: Disorder
  • Synonym(s):
    • CMT4F
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Childhood
  • ICD-10: G60.0
  • OMIM: 614895
  • UMLS: -
  • MeSH: -
  • GARD: 12441
  • MedDRA: -

Detailed information

Article for general public


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