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    Parkinson's Disease Health Center

    Diagnosis & Tests

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    These articles tell you how Parkinson's disease is diagnosed, and the tests your doctor may perform.

    Diagnosis

    There's no precise test for Parkinson's disease. This article describes how doctors diagnose the condition.

    For patients with Parkinson's disease (PD), a PET scan is used to assess activity and function of brain regions involved in movement.

    CT, or computed tomography, uses X-rays and computers to produce images of inside the body including the brain. This test is used to look for signs of disease like Parkinson's in the body .

    MRI

    MRI, or magnetic resonance imaging, is a test that produces very clear pictures, or images, of the human body without the use of X-rays. Instead, MRI uses a large magnet, radio waves, and a computer to produce these images.

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