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Contrast Material

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.

By Healthwise Staff
Primary Medical Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical Reviewer Howard Schaff, MD - Diagnostic Radiology
Current as of May 24, 2013

WebMD Medical Reference from Healthwise

Last Updated: May 24, 2013
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