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An Overview of Non-Contrast Brain MRI
Magnetic resonance imaging (MRI) is a medical imaging technique that uses strong magnets and radio waves to create detailed images of the inside of the body. Non-contrast brain MRI refers to an MRI of the brain that is performed without the use of a contrast agent. Contrast agents are substances that are injected into the bloodstream to help certain tissues and structures show up more clearly on MRI images.
When is Non-Contrast Brain MRI Used?
Non-contrast brain MRI is commonly used to diagnose and evaluate a wide range of brain conditions, including:
- Tumors
- Stroke
- Dementia
- Multiple sclerosis
- Epilepsy
- Head injuries
How is Non-Contrast Brain MRI Performed?
Non-contrast brain MRI is performed in a large, magnet-shaped machine. You will lie on a table that slides into the machine. The MRI scanner will use radio waves and magnets to create images of your brain. The procedure typically takes about 30-60 minutes.
Risks of Non-Contrast Brain MRI
Non-contrast brain MRI is generally considered a safe procedure. The following are potential risks of the procedure:
- Allergic reaction to the contrast agent (if a contrast agent is used)
- Claustrophobia (fear of enclosed spaces)
- Implant incompatibility (if you have any metal implants in your body)
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