Children's Cancer Foundation

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Children's Cancer Foundation  About Childhood Cancer  Diagnosis and Treatment Glossary  Magnetic resonance imaging (MRI)

Magnetic resonance imaging (MRI)


A diagnostic technique based on analysis of the absorption and transmission of high-frequency radio waves by the water molecules in tissues placed in a strong magnetic field.  MRI can be used for the non-invasive diagnosis and treatment planning of a wide range of diseases, including cancer: it has the advantage that it does not use potentially harmful ionizing radiation, such as X-rays.