Perinatal Diagnosis and Treatment of Vein of Galen Aneurysmal Malformation

Patients and methods: The vein of Galen (VOG) aneurysmal malformation (VGAM) is a choroidal type of arterio-venous (AV) malformation with venous drainage into a dilated already formed VOG. Prenatally and in a paediatric population, VGAM typically results in high-output congestive heart failure and without treatment VGAM leads not only to neurological damage but also to perinatal death.A patient was referred at 34 weeks with signs of VGAM, detected on antenatal ultrasound scans as a cystic midline brain lesion suggesting VGAM yet without signs of cardiac failure. Antenatal magnetic resonance imaging confirmed the…