Orphanet: Christianson syndrome

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Christianson syndrome

Disease definition

A rare developmental defect during embryogenesis characterized by intellectual deficit, ataxia, postnatal microcephaly, and hyperkinesis.


Classification level: Disorder
  • Synonym(s):
    • X-linked Angelman-like syndrome
  • Prevalence: <1 / 1 000 000
  • Inheritance: X-linked recessive 
  • Age of onset: Infancy, Neonatal
  • ICD-10: Q87.8
  • OMIM: 300243
  • UMLS: C1846130  C2678194
  • MeSH: C537450
  • GARD: 10572
  • MedDRA: -

Detailed information


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