Nuclear medicine is a branch of medical imaging, which uses small amounts of radioactive materials in order to diagnose, determine the severity and treat various diseases, including many kinds of cancer, cardiac disease and gastrointestinal, endocrine and neurological disorders as well as other anomalies in body. As the nuclear medicine operations can determine the location of molecular activity inside body, it provides a potential to determine a disease in its early phases stages and define the first response to the interventions for medical purpose.