nuclear medicine scan

Definition / meaning of nuclear medicine scan

A method of diagnostic imaging that uses very small amounts of radioactive material. The patient is injected with a liquid that contains the radioactive substance, which collects in the part of the body to be imaged. Sophisticated instruments detect the radioactive substance in the body and process that information into an image.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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