Figure 4From: Intracranial extravasation of contrast medium during diagnostic CT angiography in the initial evaluation of subarachnoid hemorrhage: report of 16 cases and review of the literatureThree- and two-dimensional computed tomography angiography showing an aneurysm at the left vertebral artery-posterior inferior cerebellar artery junction associated with cauliflower-like extravasated contrast medium. Lack of drainage indicates that this lesion is not an arteriovenous malformation but a ruptured aneurysm.Back to article page