Perfusion MRI
Perfusion MRI is a type of Magnetic Resonance Imaging (MRI) that measures the amount of blood passing through a specific region of the body. This technique is often used in the diagnosis and monitoring of various medical conditions, including stroke, cancer, and heart disease.
Overview[edit | edit source]
Perfusion MRI works by tracking the passage of a contrast agent, such as gadolinium, through the blood vessels in the body. The MRI scanner then captures images of this contrast agent as it moves through the blood vessels, providing detailed information about blood flow in the body.
Applications[edit | edit source]
Perfusion MRI has a wide range of applications in medical imaging. It is often used in the diagnosis and monitoring of stroke, as it can provide detailed information about blood flow in the brain. This can help doctors to identify areas of the brain that are not receiving enough blood, which can be a sign of a stroke.
In oncology, perfusion MRI can be used to monitor the effectiveness of cancer treatments. By measuring blood flow in a tumor, doctors can assess how well a treatment is working and make adjustments if necessary.
Perfusion MRI is also used in the diagnosis and monitoring of heart disease. By measuring blood flow in the heart, doctors can identify areas of the heart that are not receiving enough blood, which can be a sign of heart disease.
Limitations[edit | edit source]
While perfusion MRI is a powerful tool in medical imaging, it does have some limitations. For example, it can be difficult to interpret the results of a perfusion MRI scan, as the images can be affected by a number of factors, including the patient's heart rate and blood pressure. In addition, perfusion MRI is not suitable for all patients, as the contrast agent used in the scan can cause allergic reactions in some people.
See Also[edit | edit source]
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