The state-of-the-art 4th Edition of this popular reference has been revised and completely updated to reflect cutting-edge technological advances in MR and CT imaging. It continues to provide easy access to imaging applications in every anatomical area. Entirely new sections in pediatric imaging and MRI spectroscopy make this indispensable to anyone who reads images. Each of the contributors are experts in their fields. Completely updated to reflect the latest technological advances such as Multi-slice CT systems and "Cone Beam" detector technology. Revised and expanded neuroradiology section. New Pediatric Imaging section with separate chapters on each organ system. Also includes strategies for radiation reduction in pediatric patients. Features almost 3,000 enhanced images and illustrations. 66 contributors that are experts in the field.