CT MRI Varicose Veins Breast MRI PET Lincoln Nebraska Why do I get an IV injection with CT and MRI scans?
Intravenous contrast material is often, but not always, used in today’s CT and MRI studies to help with diagnosis. An iodine based material is used for CT and gadolinium is used for MRI. The purpose is to “enhance” the tissues and organs of the body in such a way as to make them better stand out from each other, and to allow better visualization of abnormal areas within normal areas. This ability to differentiate normal from abnormal is important to make the correct diagnosis. Eric M. Williams, M.D.
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