Pterional Craniotomy for Posterior Communicating Artery Aneurysm Clipping

Subarachnoid hemorrhage with intraparenchymal hemorrhage requiring emergent evacuation

Subarachnoid hemorrhage with posterior communicating artery (Pcomm) aneurysm not repairable using endovascular techniques

Aneurysm presenting with symptoms referable to mass effect, classically presenting as ophthalmoplegia caused by direct compression of the oculomotor nerve

Unruptured aneurysm (≥ 7 mm) in a patient 50 years old or younger

Aneurysm with intraluminal thrombus

Hunt and Hess grade I, II, or III in a patient 50 years old or younger