Vein of Galen aneurysm: antenatal diagnosis: a case report.

Aneurysm of vein of Galen is a rare congenital malformation with reported incidence of less than 1% of cerebral vascular malformations. Most cases present in neonatal life with congestive cardiac failure. We report a case of aneurysm of vein of Galen diagnosed in intrauterine life at 36 weeks of gestation. The importance of third trimester Doppler ultrasound is highlighted.