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Contrast material
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Healthwise
Contrast material, or contrast dye, is a substance used to make specific organs, blood vessels, or types of tissue (such as tumors) more visible on X-rays. Contrast material may also be used during a CT scan, an ultrasound, or an MRI scan.
Common contrast material substances include iodine, barium, and gadolinium.
Last Updated:
June 22, 2007- Author:
- Maria G. Essig, MS, ELS
- Medical Review:
- Adam Husney, MD - Family Medicine
Paul D. Traughber, MD - Radiology
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