presents the radiologist with a user-friendly guide to the evidence-based science and the merit behind the diagnostic imaging studies performed in medicine. Readers gain a clinically relevant overview of epidemiology, selection of subjects for imaging, selection of imaging strategies, imaging test performance and cost, cost-effectiveness analysis, and applicability to children. Nine major areas of medical imaging are covered, including Oncology, Neuroimaging, Gastroenterology, Pediatrics, Respiratory System, Musculoskeletal, Cardiovascular, Trauma, and Urologic. The emphasis is on common diseases.