Magnetic resonance imaging (MRI) is an imaging technique that uses a magnetic field and pulses of radio waves to produce images of organs, tissues and structures within the body. Magnetic resonance imaging provides a different kind of information compared to x-ray, ultrasound or scan (CT). This method has the role of determining the various diseases and conditions of organs and structures in the abdomen and pelvis (liver, gall bladder, pancreas, kidney and bladder). It is used to detect and determine the existence of a tumor, bleeding, infection or blockage in the delivery of various body fluids (urine, bile, etc.). In women, it plays a role in determining the appearance of the uterus and ovaries, and in men, the prostate gland. Contrasting may be required for certain shots to make the picture clearer. Porcelain is painless and lasts about an hour.