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MRI (Magnetic Resonance Imaging)An MRI (or magnetic resonance imaging) scan is a radiology technique that uses magnetism, radio waves, and a computer to produce images of body structures. The MRI scanner is a tube surrounded by a giant circular magnet. The patient is placed on a moveable bed which is placed in or near the magnet. The image and resolution produced by MRI is quite detailed and can detect tiny changes of structures within the body. For some procedures, contrast agents such as gadolinium are used to increase the accuracy of the images. An MRI scan can be used as an extremely accurate method of disease detection throughout the body. In the head, trauma to the brain can be seen as bleeding or swelling. Other abnormalities often found include brain aneurysms, stroke, tumors of the brain, as well as tumors or inflammation of the spine. Physicians use an MRI scan not only in defining brain anatomy but in evaluating the integrity of the spinal cord after trauma. It is also used when considering problems associated with the vertebrae or intervertebral discs of the spine.. It also provides valuable information about the structure of the joints, soft tissues, and bones of the body. Often treatment can be more accurately directed after knowing the results of an MRI scan. As you read this information, keep in mind that all treatment and outcome results are specific to the individual. Only your physician can provide you with a detailed list of your specific indications, precautions, potential adverse events, and other important medical information. |
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