This book provides a comprehensive overview of diagnostic imaging in infectious and inflammatory diseases in central nervous system and spine. It starts with basic theory of infectious diseases, including pathological basis, laboratory diagnostic methods, and clinical imaging techniques. In following chapters, the authors firstly introduce the central nervous system infections related to respiratory, gastrointestinal, and contagious diseases. Then viral, bacterial, fungal, parasitic and special infections in central nervous system and spine are presented with clinical cases. Each disease is clearly illustrated using cases combined with high-quality CT and MRI. The book provides a valuable reference source for radiologists and doctors working in the area of infectious and inflammatory diseases.