In the last decade, HBAs, particularly Gadoxetate, have been found useful for characterizing lesions with functioning hepatocytes and more importantly in evaluating the biliary tree. ECAs have been used for decades since their introduction into clinical practice and provide excellent dynamic phase information that is useful in characterizing focal liver lesions. The use of appropriate contrast agents for liver MRI requires knowledge of the clinical situation and question to be answered. Currently, two classes of MRI contrast agents are available for clinical use, namely the extracellular contrast agent (ECA) and the hepatobiliary agent (HBA). Simply call 855-IBJI-MRI (85) or contact us online for a location near you.Contrast enhanced MRI of the liver provides valuable information in the evaluation of both chronic liver disease and focal liver lesions. IBJI offers appointments for same day or within 24 hours Monday through Friday, with many office throughout the Chicago area. Don’t hesitate to call your orthopedic doctor if you have any questions about a contrast MRI. Be sure to discuss any fears you may have, such as possible side effects, with your technician or physician. Most importantly, you should relax during your scan. This even includes credit cards that have magnetic strips, belt buckles, shoes, pens, keys, coins, hearing aids and all electronic devices. You can’t wear anything that’s metallic, so you’ll have to remove metal jewelry, watches, hairpins and other items. You’ll also be interviewed by a technician to make sure you understand all the questions on the screening form. You’ll have to complete a screening form in which you will note any health conditions that could present a health risk or interfere with your exam. Unless your doctor tells you otherwise, eat normally and keep taking your medications before your contrast MRI exam. Always consult with your physician before making any changes to diet or prescribed medication. The gadolinium contrast medium can also be administered by using an automated injector. Next, the radiologist removes the needle and places you into an MRI machine for your scan. Roughly 10-20 milliliters of dye will be injected into your vein. In fact, it’s used in about 30 percent of MRI scans.Īfter placing a tourniquet around your hand or arm, your technician will use an IV or a small butterfly needle to inject the gadolinium or another type of contrast material. Gadolinium, which is a paramagnetic metal ion, is commonly used in contrast MRIs because of the way it travels within magnetic fields. This type of MRI is often a good option for patients after they’ve undergone back surgery as the dye renders not only clearer, but sharper images. Sometimes a physician will recommend an MRI with contrast after a regular MRI has unsuccessfully rendered the quality of images needed. Physicians order contrast MRIs for their patients because they do a better job of showing clear images for certain conditions. If you need an MRI with contrast, here is why it is done and what to expect. You may be wondering, “What is an MRI with contrast?” This type of MRI differs from a regular MRI because it uses a contrast dye that’s injected into a patient before having the scan. The two main kinds of MRIs are contrast and non-contrast. An MRI (magnetic resonance imaging) is a medical scan similar to an x-ray or CT (computerized tomography) scan. However, unlike x-rays and CT scans, MRIs are done without any radiation.
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