Orphanet: Atkin Flaitz syndrome

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Atkin-Flaitz syndrome

Disease definition

A rare X-linked syndromic intellectual disability characterized by variable intellectual deficit, macrocephaly, short stature, and facial dysmorphism (such as prominent forehead, prominent supraorbital ridges, hypertelorism, downslanting palpebral fissures, broad nasal tip, anteverted nostrils, thick lower lip, and localized microdontia). Additional reported features include seizures, post-pubertal macroorchidism, obesity, and short, broad hands with tapered fingers.


Classification level: Disorder
  • Synonym(s):
    • X-linked intellectual disability, Atkin type
  • Prevalence: <1 / 1 000 000
  • Inheritance: X-linked dominant 
  • Age of onset: Neonatal
  • ICD-10: Q87.8
  • OMIM: 300431
  • UMLS: C0796206
  • MeSH: -
  • GARD: 3537
  • MedDRA: -
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