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Aneurysm (vein of Galen)

Authoring team

Massive aneurysmal dilatation of the vein of Galen may result from an arteriovenous malformation in which arteries feed directly into the vein.

Presentation varies with age and reflects the size and severity of the AVM:

  • neonates - high output cardiac failure is common and often fatal
  • infants - obstructive hydrocephalus resulting in cranial enlargement
  • childhood - subarachnoid haemorrhage

Cranial bruits are common.

Mortality and morbidity are high. Clipping the feeding vessels from the carotid and basilar arteries may be successful.

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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