Provides a comprehensive state-of-the-art review of pediatric nuclear medicine, encompassing both diagnostic and therapeutic applications. Detailed attention is paid to the role of FDG PET-CT within oncology, but a variety of other long-established or less frequently used diagnostic procedures are also covered. Each indication is critically discussed from a clinical perspective, with analysis of benefits and limitations and comparison against the information yield of alternative techniques. The coverage of therapy based on radiopharmaceuticals includes the most relevant current strategies, including those utilizing radioiodine, MIBG, or radiolabelled peptides.