Vein of Galen Malformation (VOGM) | Symptoms and Causes

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What are the symptoms of vein of Galen malformation?

Symptoms of a vein of Galen malformation (VOGM) usually begin shortly after birth or during early childhood.

Common symptoms may include:

  • heart failure, often within the first day or two of life
  • hydrocephalus, or an enlarged head
  • unusually prominent veins on the face and scalp
  • developmental delays
  • persistent headache
  • in very rare cases, ableed in the brain

What are the causes of vein of Galen malformation?

A VOGM occurs during a baby’s early prenatal development, usually during the first trimester. It is not known exactly what causes a VOGM, but it is likely genetic.

VOGM sometimes, but not always, occurs with vascular anomalies that affect other parts of the body. They generally are not inherited.

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