This is an open access proceeding book of 9th European-Japanese Cerebrovascular Congress at Milan 2018. Since many experts from Europe and Japan had very important and fruitful discussion on the management of Cerebrovascular diseases, the proceeding book is very attractive for the physician and scientists of the area.

<b> 1 </b>History of the European-Japanese Cerebrovascular Congress

<b>PART I</b> INTRACRANIAL ANEURYSMS
<b>2</b> When is Diagnostic Subtraction Angiography Indicated Before Clipping of Unruptured and Ruptured Intracranial Aneurysms? An International Survey of Current Practice
<b>3</b> Current Strategies in the Treatment of Intracranial Large and Giant Aneurysms
<b>4</b> Computational Fluid Dynamics for Cerebral Aneurysms in Clinical Settings
<b>5</b> Microneurosurgical Management of Posterior Inferior Cerebellar Artery Aneurysms: Results of a Consecutive Series
<b>6</b> Posterior Circulation Aneurysms: A Critical Appraisal of a Surgical Series in Endovascular Era
<b>7</b> Microneurosurgery for Paraclinoid Aneurysms in the Context of Flow Diverters Revolution
<b>PART II</b> CEREBRAL REVASCULARIZATION
<b>8</b> Characteristic Pattern of the Cerebral Hemodynamic Changes in the Acute Stage After Combined Revascularization Surgery for Adult Moyamoya Disease: N-isopropyl-p-[123I] iodoamphetamine Single-Photon Emission Computed Tomography Study
<b>9</b> Outcomes of Balloon Angioplasty and Stenting for Symptomatic Intracranial Atherosclerotic Stenosis At a High Volume Center
<b>PART III</b> ARTERIOVENOUS MALFORMATIONS AND DURAL ARTERIOVENOUS FISTULAS
<b>10</b> Living with a Brain AVM: A Quality of Life Assessment
<b>11</b> Complications in AVM Surgery
<b>12</b> Surgical Simulation with Three-Dimensional Fusion Images in Patients with Arteriovenous Malformation
<b>13</b> Surgical Treatment of Unruptured Brain AVMs: Short and Long Term Results
<b>14</b> Maximum Nidus Depth as a Risk Factor of Surgical Morbidity in Eloquent Brain Arteriovenous Malformations
<b>15</b> Brain Arteriovenous Malformations Classifications: A Surgical Point of View
<b>16</b> The Pre-Operative Functional Downgrading of Brain AVMs
<b>17</b> Intracranial Dural Arteriovenous Fistulas - The Sinus and Non Sinus Concept
<b>18</b> Complications of Endovascular Treatment of Intracranial Dural Arteriovenous Fistulas
<b>19</b> Spinal Dural AVFs, Classifications and Advanced Imaging
<b>PART IV</b> MISCELLANEOUS
<b>20</b> Intra-Operative BOLD-fMRI Cerebrovascular Reactivity Assessment
<b>21</b> The Hybrid Neurosurgeon -The Japanese Experience.