Home > Encyclopedia of Children's Health > Magnetic Resonance Imaging

Definition

Magnetic resonance imaging (MRI) is a diagnostic imaging procedure that uses radio waves, a magnetic field, and a computer to generate images of the anatomy.

Purpose

MRI is used to visualize the body to assist doctors in their efforts to diagnose certain diseases or conditions and to evaluate injuries. For pediatric imaging, MRI is used for a variety of purposes, including the following:

• diagnosing diseases of the central nervous system, including the brain and spine
• detecting musculoskeletal disorders and injuries
• identifying complications of infectious diseases, such as those associated with Lyme disease or acquired