Nuclear Medicine procedures involve administration of radiopharmaceuticals (aka radiotracers) followed by scan after an interval of time depending on the biological process or organ function in question.
Radiopharmaceutical
Radioisotope + pharmaceutical
Radioisotope - physical property of which is used for imaging
Pharmaceutical - chemical property of which is used for localization
Uniqueness Of NITS
Functional imaging
More sensitive and accurate
Early diagnosis