Intracranial Aneurysms will address the natural history, biology, and basic management principles and treatment of aneurysms. The chapters also explore the unique features of each type or location of aneurysm while considering the medical, surgical, and endovascular options. Contributions are by members of the Endovascular Neurosurgery Research Group, a group of recognized expert neurosurgeons who specialize in cerebrovascular and endovascular management of aneurysms.