Intracranial "De Novo" Aneurysms: Case Report

There are numerous theories of pathophysiology in intracranial aneurysm, but currently accepted hypothesis was congenital defect of medial layer of vascular wall and the major developing factor was hemodynamics. Almost physicians were belived that treatment of intracranial aneurysm was completely through clipping of aneurysmal neck. But many reports were emphasized newly deloped intracranial(De Novo) aneurysm after clipping of initially identified intracranial aneurysm. The authors have same experienced of 2 cases intracranial "Do Novo" aneurysms. We are stress there were never completed treatment of aneurysm that clipping of initially identified intracranial aneurysm and should be attention to "De Novo" aneurysm.