Arteriovenous malformation and a ruptured giant aneurysm cured by emergency operation in a child.

An arteriovenous malformation with a giant aneurysm and an intracerebral hemorrhage in a 3-year-old girl is reported. The malformation, the ruptured giant aneurysm, and the hematoma were totally and successfully removed during an emergency operation with temporary occlusion of the feeding artery and administration of 20% mannitol to prolong the permissive occlusion time of the cerebral arteries.