Thanks to the use of magnetic fields and radio waves without using X rays, MRI is very safe for patients. This is a fast, complete and non-side-effect technical method which is used for diagnosing via images modernly, prevalently and effectively all over the world.
MRI is nowadays applied to check almost all of the organs, especially helpful for brain and spinal cord. Doctors and physicians can easily find out the location of lesion through 3-sided image since MRI were used. Such information is very helpful for the health staff before surgery, such as brain minor operation.
My Thien (Source: Binh Thuan Online)