Three dimensional (3D) and Real Time three dimensional (4D) ultrasound has changed the way scans are carried out. Such ultrasound techniques have now become acceptable as valuable methods of diagnosis. 3D and 4D ultrasound can nowadays be applied to the examination of all internal body organs. Originally developed in the field of obstetrics and gynaecology, ultrasound diagnosis is now common place throughout internal medicine. This book is the first to deal with Real Time 4D ultrasound, and discusses its usage when applied to all internal organs. This book is written by two internationally renowned practitioners of state of the art 3D and 4D ultrasound techniques.