FIG 1. Location of ruptured aneurysms. ACA: Anterior Communicant Artery; MCA: Middle Cerebral Artery; ICA: Internal Carotid Artery; Pericallosal A: Pericallosal Artery; VBA: Vertebro Basilar Artery; PICA: Posterior Inferior Cerebellar Artery; PCA: Posterior Communicating Artery; Cerebellar A: Cerebellar Artery.