MRI examination is a magnetic resonance imaging examination, which can assist in the diagnosis of diseases, the price is related to the level of the hospital and the relevant parts of the examination, generally a part of 600-700 dollars. MRI examination, the human body is placed in a special applied magnetic field, radio frequency pulse excitation of hydrogen nuclei in the body, causing hydrogen nuclear resonance, hydrogen nuclei according to a specific frequency of radio signals issued by the body outside the receiver income, by the electronic computer processing and obtain the image of the method. MRI can be applied to the whole body system imaging diagnosis. The most effective of these are the cranial brain, and its spinal cord, heart large blood vessels, joints and bones, soft tissues and pelvis, etc. The cost of MRI examination is generally $600-700 for one part of the body, which may vary from hospital to hospital. MRI examinations should be performed under the supervision of a physician.