Interventional radiology is an exciting feld, and interventional radiologists perform a huge variety of diagnostic and therapeutic procedures. Most interventional diagnostic procedures have been superseded by noninvasive methods, and the role of interventional radiologists has changed accordingly. Whereas traditionally interventional radiology involved diagnosis and a few therapeutic measures, nowadays it involves mostly interv- tional procedures planned using noninvasive diagnostic methods. Interventional radiologists have to keep up with advances in noninvasive imaging te- niques like...