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Imaging Test

Glossary

imaging test

A type of test that makes detailed pictures of areas inside the body. Imaging tests use different forms of energy, such as x-rays (high-energy radiation), ultrasound (high-energy sound waves), radio waves, and radioactive substances. They may be used to help diagnose disease, plan treatment, or find out how well treatment is working. Examples of imaging tests are computed tomography (CT), ultrasonography, magnetic resonance imaging (MRI), and nuclear medicine tests. Also called imaging procedure.

Last updated: 2014-06-25

Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)