Abstract
Nuclear medicine (NM) imaging techniques, with their molecular characteristics and exceptional sensitivity, play an important role in modern medicine. By providing in vivo functional information about the biodistribution of tracer molecules labeled with radioactive isotopes, they allow for identification of altered body anatomy and/or physiology helping to diagnose diseases. In research applications NM allows for localization of molecular receptor sites, studying of biological markers expressed by diseased cells, and monitoring the presence and extent of specific disease processes. Examples of the most popular applications of single-photon imaging in clinical diagnostic studies and molecular research are provided.
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