An unusual etiology of subarachnoid hemorrhage, basilar artery perforator aneurysms, in Macao: Three case reports and review of literature

Figure 2 Case 2. A: Axial brain computed tomography of a 79-year-old female showed bilateral subarachnoid hemorrhage in the bilateral temporal region; B: Axial brain computed tomography post-treatment showed the previous subarachnoid hemorrhage in the bilateral temporal region had subsided. No intracranial hemorrhage was found; C: Angiography showed a bulging aneurysm in the basilar perforated branches; D: Final angiography showed complete embolization of the aneurysm.