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Focal facial dermal dysplasia

Disease definition

Focal facial dermal dysplasias (FFDD) are rare ectodermal dysplasias, characterized by congenital bitemporal (resembling forceps marks) or preauricular scar-like lesions associated with additional facial and or systematic manifestations. 4 types of FFDD are described (FFDD I to IV; see these terms). FFDD types II and III present with a variable facial dysmorphism including distichiasis (upper lashes) or lacking eyelashes, and upward slanting and thinned lateral eyebrows with a flattened nasal bridge and full upper lip. FFDD types I and IV are infrequently associated with extra-cutaneous anomalies.


Classification level: Disorder
  • Synonym(s):
    • FFDD
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant or Autosomal recessive 
  • Age of onset: Neonatal, Antenatal
  • ICD-10: Q82.8
  • OMIM: 136500  227260  614973  614974
  • UMLS: C2936827
  • MeSH: -
  • GARD: -
  • MedDRA: -
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