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Vein of Galen aneurysm

Disease definition

Vein of Galen aneurysmal malformation (VGAM) is a congenital vascular malformation characterized by dilation of the embryonic precursor of the vein of Galen. It is a sporadic lesion that occurs during embryogenesis.


  • Synonym(s):
    • Vein of Galen arteriovenous malformations
  • Prevalence: Unknown
  • Inheritance: Not applicable 
  • Age of onset: Infancy, Neonatal, Antenatal
  • ICD-10: Q28.2
  • OMIM: -
  • UMLS: C0431420
  • MeSH: C536535
  • GARD: 5467
  • MedDRA: -
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