WHAT IS MRI ELASTOGRAPHY OF THE LIVER?
Elastography is a test using high field magnetic resonance imaging (MRI) to measure the elasticity of internal organs, specifically the liver. Stiffness of the liver can identify the presence and severity of certain diseases. Elastography may be used instead of a needle biopsy to diagnose liver disease.
Non-invasive, radiation-free MRI directs low frequency vibrations to the area being investigated and measures how well the vibrations move through it, sending this data to a computer to compose a visual map. Your radiologist and referring clinician use this map to diagnose specific conditions and disease of the liver.
WHERE DOES RAO OFFER MRI ELASTOGRAPHY?
RAO offers high-field MRI Elastography at our Medical Imaging Center.
WHAT TO EXPECT
You will receive detailed instructions on how to prepare before your exam, but, in general, most people will be advised to avoid food and sugary beverages 6-8 hours beforehand, as these can influence measurements. Unless instructed otherwise, take your regular medications as usual.
During your exam, you will lie on a moveable table that slowly slides into the MRI machine until the imager surrounds the area being studied. Your MRI may require the use of an injectable contrast agent for enhanced detail. If your liver is being studied, a specialized device that looks like a paddle will be gently secured over your abdomen to direct sound waves to the liver to measure any stiffness. This will create a vibrating sensation that is not painful. You will be asked for hold your breath for brief periods while data is being collected.
Because radiation-free MRI utilizes a powerful magnet and radio waves to collect information, the MRI machine produces loud knocking, tapping and other noises that some people find distracting. You will be provided ear plugs to help minimize noise. Once your radiologist finalizes your exam report, it will be sent to your referring clinician, who will notify you and explain your results.
WHAT CAN I EXPECT IF A CONTRAST AGENT IS NEEDED?
In some cases, a contrast agent will be injected into a vein in the arm to highlight the area being studied. Apart from the injection, MRI is painless and non-invasive.
