[Arteriovenous malformations associated with aneurysms of the vein of Galen].

The aneurysms of the vein of Galen may be defined as a midline arteriovenous fistula with aneurysmal dilatation of the median venous sac. From the literature and author's experiences a survey of embryology, pathophysiology as well as contemporary state of diagnosis and therapy of vein of Galen malformation is presented.