Medically reviewed by Rony Kampalath, MD Key Takeaways An MRI with contrast uses a special dye to make blood vessels, organs, ...

A shortage of contrast dye used for CT scans, gastrointestinal imaging, angiograms and cardiac catheterizations is expected to cause delays across the country and around the world for people in need ...

Dear Dr. Roach: My primary care doctor has ordered that I get an MRI scan with and without contrast dye. I have been having head pain every day in one single spot behind my right eye. My question is, ...

Scientists believe they may have found the reason why some patients get so sick from the contrast dye they’re injected with before magnetic resonance imaging (MRI) scans. While researchers have long ...

Medical professionals use CT scans to help diagnose and stage bladder cancer. While CT scans can provide valuable information, they are not perfect and have certain limitations. However, CT scans may ...

Preparation guidelines for a CT scan depend on the type of scan you’re having. If you’re having a bowel scan or a scan with contrast dye, you may need to adjust your diet. Preparation for a CT scan ...

DEAR DR. ROACH: My primary care doctor has ordered that I get an MRI scan with and without contrast dye. I have been having head pain every day in one single spot behind my right eye. My question is, ...