This book presents 101 unique and extraordinary cases in interventional radiology (IR) and endovascular therapy. Extreme IR is an internationally recognized event that Dr. Ziv Haskal created and held in early 2000's at mountaintop venues, then at successive Society of Interventional Radiology annual conference meetings, and later, published monthly within the Journal of Vascular and Interventional Radiology (JVIR) for which he was editor-in-chief for 10 years.