I: Management of Unruptured Aneurysms.- Treatment of Unruptured Cerebral Aneurysms — A Multi-Center Study of Japanese National Hospitals.- Treatment of Incidental Unruptured Aneurysms.- The Treatment of Symptomatic Unruptured Aneurysms.- Importance of Prospective Studies for Deciding on a Therapeutic Guideline for Unruptured Cerebral Aneurysm.- Natural History of Unruptured Intracranial Aneurysms: Risks for Aneurysm Formation, Growth, and Rupture.- Is the Rupture of Cerebral Berry Aneurysms Influenced by the Perianeurysmal Environment?.- Surgical Prognosis of Unruptured Cerebral Aneurysms. Report of 40 Cases in University Hospital Zurich.- Endovascular Coiling Compared with Surgical Clipping for the Treatment of Unruptured Middle Cerebral Artery Aneurysms: An Update.- Clinical Manifestations, Character of Aneurysms, and Surgical Results for Unruptured Cerebral Aneurysms Presenting with Ophthalmic Symptoms.- Clinical Outcome after Surgery of Intracranial Unruptured Aneurysms: Results of a Series Between 1991 and 2001.- Radiation-Induced Cerebral Aneurysm Successfully Treated with Endovascular Coil Embolization.- II: Treatment of Subarachnoid Haemorrhage and General Considerations.- Surgery and Outcome for Aneurysmal Subarachnoid Hemorrhage in Elderly Patients.- Clinical Outcome Following Ultra-Early Operation for Patients with Intracerebral Hematoma from Aneurysm Rupture — Focussing on the Massive Intra-Sylvian Type of Subarachnoid Hemorrhage.- Presentation and Management of Patients with Initial Negative 4-Vessel Cerebral Angiography in Subarachnoid Hemorrhage.- Neurological and Neuropsychological Outcome after SAH.- New Methods for Monitoring Cerebral Oxygenation and Hemodynamics in Patients with Subarachnoid Hemorrhage.- Role of Hypothermia in the Management ofSevere Cases of Subarachnoid Hemorrhage.- Endovascular Aneurysm Treatment from the Neurosurgeon’s Point of View.- Strategies for Surgical Management of Cerebral Aneurysms of Special Location, Size and Form — Approach, Technique and Monitoring.- Author Index.- Index of Keywords.