Nuclear medicine imaging uses small amounts of radioactive materials called radiotracers that are typically injected into the bloodstream inhaled or swallowed the radiotracer travels through the area being examined and gives off energy in the form of gamma rays which are detected by a special . Nuclear medicine scans for cancer other names for these tests nuclear imaging radionuclide imaging and nuclear scans nuclear medicine scans can help doctors find tumors and see how much the cancer has spread in the body called the cancers stagethey may also be used to decide if treatment is working. Nuclear medicine was introduced shortly after radioactivity was discovered after 50 years of experience and practice today nuclear medicine plays a key role in the evolution of medicine . Nuclear scans are often used to find out whether cancer from another place in your body such as your breast for instance has spread to your bones you might hear a doctor or nurse called this
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