|Nuclear medicine imaging procedures are noninvasive and, with the exception of intravenous injections, are usually painless medical tests that help physicians diagnose and evaluate medical conditions. These imaging scans use radioactive materials called radiopharmaceuticals.
Depending on the type of nuclear medicine ,the radiotracer is either injected into the body, swallowed or inhaled as a gas and eventually accumulates in the organ of the body being examined. Radioactive emissions from the radiotracer are detected by a special camera or imaging device that produces pictures and provides molecular information.
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