Basilar artery aneurysms account for a small percentage of intracranial aneurysms; however, they are a diverse group of lesions necessitating different treatment techniques for those that are ruptured and unruptured. Basilar apex aneurysms are the most common type and are frequently wide-necked, necessitating stent-assisted coiling or balloon remodeling. Other techniques have evolved to forego stenting in acutely ruptured wide-necked aneurysms. The prevention of delayed thromboembolic complications with dual antiplatelet therapy in patients with stents is critical. After treatment, basilar aneurysms require close follow-up to ensure complete occlusion. Basilar apex aneurysms often require delayed re-treatment, especially when previously ruptured.
Keywords: AICA aneurysm; Balloon remodeling; Basilar apex aneurysm; PCA aneurysm; SCA aneurysm; Stent-assisted coil.
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