Nuclear medicine is a medical specialty involving the application of small amount of radioactive substances (radiopharmaceuticals) in the diagnosis and treatment of disease. Radiopharmaceuticals are introduced by intravenous injection, swallowing or inhalation. Which radiopharmaceutical is used will depend upon the condition to be diagnosed or treated. External detectors, gamma cameras, capture and form images from the radiation emitted by the patient. Nuclear medicine provides information about... Read more