The case demonstrates the unusual Vein of Galen manifestation, which is rather rare to present in this age. The combination of hydrocephalus and "steal" phenomena are causes for the clinical features.

Presentation varies with the type of malformation, and different types present at different ages:

• neonate
  • usually choroidal type
  • high output cardiac failure 
  • cranial bruit
• infant 
  • usually mural type
  • hydrocephalus may occur due to venous hypertension or aqueduct stenosis
• child 
  • usually mural type
  • developmental delay 
  • hydrocephalus