Vascular aneurysms, including arterial and venous, consist a multi- facet disease in its pathophysiology, manifestations, diagnosis and treatment, which in most of the cases may remain undiagnosed. Very often it appears as an emergency associated with significant mortality and morbidity. Sometimes it is discovered spontaneously in the course of the investigation of another health problem. Therefore, it is of paramount importance for all those involved in the diagnosis and treatment of patients with vascular aneurysms to be updated. This book provides the latest significant advances in the management of vascular aneurysms. All chapters are written by some eminent scientists and clinicians in the field. We thank all them for their tremendous contribution. We believe that this book will be helpful to anyone dealing with the management of vascular aneurysms.