I. Introduction -- 1 Historical Development and Current Trends in Surgical Neuroradiology -- II. Basic Concepts -- A. Hermostatic Machanisms and Circulatory Flow Patterns -- 2 Activation of Hemostatic Mechanisms in Interventional Radiology -- 3 Flow Patterns and the Localization of Vascular Disease in the Circulation -- B. Spacialized Endovascular Technologies -- 4 Doppler Observations in Arteriovenous Malformations -- 5 Lasers for Treatment of Occlusive Vascular Disease -- 6 Microcoils in Neuroembolization -- III. Endovascular Experience -- A. Specific Considerations at Various Institutions -- 7 Surgical Exposure of the Superior Ophthalmic Vein in the Management of Carotid Cavernous Fistulas at Johns Hopkins Medical Institutions -- 8 Current and Future Perspectives in Interventional Neuroradiology at New York University -- 9 Interventional Neuroradiology: The Massachusetts General Hospital Experience -- 10 Principles of Endovascular Neurosurgery at the N.N. Burdenko Neurosurgical Institute -- 11 Intravascular Embolization of Craniocerebral Vascular Diseases: Beijing Neurosurgical Institute -- 12 Endovascular Therapy of Cerebral Arteriovenous Malformations and Aneurysms with a Proposed Scale for Neurological Outcome -- B. Aneurysms -- 13 Surgical Perspectives on the Selection of Patients for Endovascular Treatment -- 14 Endosaccular Detachable Balloon Catheter Treatment of Cerebral Saccular Aneurysms -- 15 Intravascular Treatment of Aneurysms and Angioplasty of Arterial Vasospasm -- 16 Endovascular Treatment of Intracranial Arterial Aneurysms: A Neuroradiologistโ{128}{153}s Viewpoint -- C. Arteriovenous Malformations -- 17 Clinical Aspects, Diagnostic Evaluation, and Surgical Treatment of Posterior Fossa Arteriovenous Malformations -- 18 Microsurgical Treatment of Arteriovenous Malformations of the Corpus Callosum and Hippocampus -- 19 Technical Advances in Endovascular Therapy of Brain Arteriovenous Malformations -- IV. Future Considerations -- 20 Determining the Feasibility of Creating a Statistically Significant Cooperative Study of Arteriovenous Malformations -- 21 Proposed Potential Standards of Training in Interventional Neuroradiology