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¹Sağlık Bilimleri Üniversitesi, Bursa Yüksek İhtisas Eğitim ve Araştırma Hastanesi, Beyin ve Sinir Cerrahisi Kliniği, Bursa, Türkiye
²Sağlık Bilimleri Üniversitesi, Ankara Numune Eğitim ve Araştırma Hastanesi, Beyin ve Sinir Cerrahisi Kliniği, Ankara, Türkiye Vertebrobasilar circulation aneurysms represent 8 to 15% of all intracranial aneurysms. Basilar artery (basilar tip) aneurysms are by far the most frequent subgroup, accounting for 51% of the cases. High predisposition for rupture is a characteristic feature of posterior circulation aneurysms. Vertebrobasilar circulation aneurysms have a particularly dismal prognosis. Both pathoanatomical and clinical evidence suggests a dissecting subpopulation that tends to present with hemorrhage or acute ischemia. However, the majority come to clinical attention either incidentally, or secondary to ischemic stroke or mass effect. Since the 1990s, endovascular techniques have gradually become a compelling alternative. Over the last decade, several large trials have supported the endovascular approach. Nowadays, endovascular strategies are well established for an ever-increasing subset of ruptured and unruptured posterior circulation aneurysms. Anahtar Kelimeler : Aneurysm, Anterior inferior cerebellar artery, Endovascular treatment, Posterior inferior cerebellar artery, Vertebrobasilar circulation