Multidetector CT Angiography Images of Vein of Galen Malformation

Aneurysm of the vein of Galen is a rare midline arteriovenous malformation seen in children. It makes up approximately 1% of intracranial vascular malformation but 30% of all paediatric vascular malformation. The presentation depends on the age and amount of blood shunted to the malformation. A neonate or a child may present with cardiac failure, macrocephaly, headache, focal neurological signs or subarachnoid haemorrhage. We report a case of a 2 year old male child and rare images that presented with macrocephaly and diagnosed to have vein of Galen aneurysmal malformation on CT scan and CT angiography.