This publication is a compendium of physical principles, system descriptions, instrument quality assurance, and clinical applications of extant tomographic methods in nuclear medicine. Written by an expert in this pertinent field, each chapter deals with the topics in a comprehensive fashion to provide a ready reference of all the work done on the subject and an estimate of the future utilization. Descriptions of methods available to nuclear medicine for tomographic viewing include positron emission, single photon emission, and planar tomography. This is an excellent resource volume of general applicability for nuclear medicine physicians, nuclear medicine scientists, and researchers in organ imaging and processing techniques.