Fig 2. A, Precoiling angiogram demonstrates a large basilar artery aneurysm arising in close proximity to the origin of the left anterior inferior cerebellar artery. B, Mid coil-embolization of the aneurysm with a small thrombus causing a filling defect in the parent vessel (arrowhead) and near-total occlusion of the left PCA (arrow). C, Approximately 30 minutes following the administration of an intravenous bolus of abciximab, there is demonstrable restoration of flow within the left PCA.