This book collects papers presented at the 5th International Symposium on Therapeutic Ultrasound, the only international meeting dedicated to this discipline. These peer-reviewed papers cover topics ranging from basic biological and physical research to clinical application. Specific topics included are: basic principles of therapeutic ultrasound; ultrasound bioeffects; monitoring and treatment planning; brain ultrasound; cavitation and bubbles; devices; animal studies; clinical studies; drug delivery and in vitro studies; as well as quality assurance.