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Why is a magnetic resonance angiogram (MRA) of the kidneys done?
An MRA of the kidneys is done to look at the blood vessels leading to the kidneys. It checks for narrowing (stenosis) and blockage of the blood vessels. The test helps the doctor find vessels that need treatment and plan the treatment. For example, a "road map" of blood vessels to the kidneys can help the doctor during surgery for kidney cancer or help the doctor choose which kidney would be best to take for a kidney transplant.
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