CT Scan

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Contrast Dye

There's a popular misconception that using intravenous dye for CT scans makes everything better and easier to see. But that is not always true. Although rare, some patients suffer allergic reactions to the dye. And finally, the newer contrast agents are quite expensive. But there are times when dye is definitely needed, such as for detecting the spread of malignancy in the brain or liver. In situations where patients are allergic to contrast, MRI can be an excellent alternative....Read the full article