Cerebral Aneurysms: Formation, Growth, and Rupture.- Current Imaging Techniques of Aneurysms.- Surgical Management of Intracranial Aneurysms: General Principles.- Surgical Management of Intracranial Aneurysms: Techniques and Pitfalls.- Endosaccular Approaches to Intracranial Aneurysms.- Endoluminal Approaches to Intracranial Aneurysms.- Neurocritical Care Management of Aneurysmal Subarachnoid Hemorrhage, Early Brain Injury, and Cerebral Vasospasm.- Multimodality Monitoring of Aneurysmal Subarachnoid Hemorrhage.- Intracranial Blister Aneurysms.- Giant Intracranial Aneurysms.- Atypical Aneurysms: Mycotic Aneurysms, Dissecting Aneurysms, and Pseudoaneurysms.- Brain Arteriovenous Malformations: Surgical, Endovascular, and Radiosurgical Techniques.- Managing Complex Dural Arteriovenous Fistulas: Integrating Endovascular and Surgical Approaches.- Carotid-Cavernous Fistulas.- Thrombotic Stroke.- Intracranial Atherosclerotic Diseases (ICAD).- Embolic Ischemic Stroke.- Cryptogenic Stroke and Stroke of "Unknown Cause".- Endovascular Techniques for Emergent Large Vessel Occlusion.- Hemorrhagic Stroke.- Central Nervous System Vasculitis: Primary Angiitis of the Central Nervous System.- Cerebral Venous Thrombosis.