positioning, use of contrast media, representative CT scans of normal and pathological findings, explanatory drawings with keyed anatomic structures, and an overview of the most important measurement data. Finally, self-assessment quizzes - including answers - at the end of each chapter help the reader monitor progress and evaluate knowledge gained. New in this fourth edition: - Updated examination protocols for multidetector CT and CT angiography - An extended chapter on dual source CT - A new chapter on contrast injectors.