MRI (Magnetic Resonance Imaging) is the superior method used to obtain primary diagnostic information about the inside of the human body, without radiation (as in X-ray or CT). MRI uses inherently safe magnetic fields and radio waves. MRI is a painless, non-invasive procedure, with no known side effects. Your Doctor may order your MRI with contrast dye to enhance your results. MRI can reduce the need for exploratory surgery, and other diagnostic procedures that might have associated risk.