“…The pathogenesis of aneurysmal complications is attributed to obliterative endarteritis of the vasa vasorum, which causes necrosis and thereby weakens the vessel wall, leading to formation of true aneurysm or perforation of the vessel wall leading to formation of false aneurysm. 9,19) Intracranial aneurysms associated with Behçet's disease are extremely rare, with only 13 reported cases. 1,4,5,7,8,12,13,15,16,23,[25][26][27] We present another case of Behçet's disease associated with ruptured middle cerebral artery (MCA) bifurcation aneurysm which was treated by surgical intervention.…”