It is a non-invasive imaging technique that uses a strong magnetic field, radio waves and a computer to create high-resolution images of the face and neck. A contrast agent is injected intravenously for better visualization of the internal structures. Your doctor may advise this test to detect tumours, infections, or conditions of the cartilage and bone. It is recommended to find out the cause of regular pain, stiffness, weakness or numbness in the cervical spine/neck and to detect a high level of scoliosis and multiple sclerosis.