In a world first, University of Ottawa scientists have introduced a metal-free MRI dye capable of mapping kidney function with unprecedented accuracy. This technique will modernize urology, allow for ...

Medically reviewed by Rony Kampalath, MD Key Takeaways An MRI with contrast uses a special dye to make blood vessels, organs, and tissues stand out more clearly.The dye used in MRI with contrast ...

Medically reviewed by Daniel More, MD A contrast dye allergic reaction can occur after a diagnostic imaging test, such as magnetic resonance imaging (MRI) or computed tomography (CT) scan. The ...