Orphanet: Isolated Dandy Walker malformation
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Isolated Dandy-Walker malformation

Disease definition

A rare non-syndromic central nervous system malformation characterized by the association of three signs: hydrocephalus, partial or complete absence of the cerebellar vermis, and posterior fossa cyst contiguous with the fourth ventricle, presenting early in life with hydrocephalus, bulging occiput and posterior fossa signs such as cranial nerve palsies, nystagmus and ataxia.

ORPHA:217

Classification level: Disorder
  • Synonym(s): -
  • Prevalence: 1-9 / 100 000
  • Inheritance: Multigenic/multifactorial 
  • Age of onset: Neonatal, Antenatal
  • ICD-10: Q03.1
  • ICD-11: LA06.0
  • OMIM: 220200
  • UMLS: C0010964
  • MeSH: -
  • GARD: 6242
  • MedDRA: -

  A summary on this disease is available in Español (2015) Français (2015) Italiano (2015) Nederlands (2015) Polski ()

Detailed information

General public

ERN : produced/endorsed by ERN(s)
FSMR : produced/endorsed by FSMR(s)

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

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