An MRI uses magnetic waves and computers to make pictures of the inside of the body. A magnetic resonance cholangiopancreatography (MRCP) is a special type of MRI scan. It is used to make pictures of the hepatobiliary and pancreatic systems.
MRCP is used to examine the:
Your doctor may order this test to look for:
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Complications are rare. If you are planning to have an MRCP, your doctor will review a list of possible complications.
MRCP can be harmful if you have metal inside your body including:
Make sure your doctor knows of any internal metal before the test.
Some people have a reaction to the contrast dye. The contrast is chemical that improves the details in the pictures. In some people, the contrast can cause allergic reactions or kidney problems.
Be sure to discuss these risks with your doctor before the test. Let your doctor know about any allergies or unrelated illnesses you may have.
In the days leading up to the MRCP, you will be asked about:
You may be asked to stop eating or drinking for about 2-4 hours before the MRCP.
Right before the test, you will be asked to remove any metal objects. This includes jewelry, hearing aids, and glasses.
You may be given a mild sedative to help you relax.
If a contrast dye is being used, a small IV needle will be inserted into your hand or arm.
You will be asked to lie very still on a sliding table. The table will slide into a narrow, enclosed cylinder. The technician will give you directions through an intercom. Images will be taken of the organs and ducts in your abdomen. When the exam is done, you will slide out of the machine. If you have an IV needle, it will be removed.
In some cases, both an MRCP and an MRI scan of the rest of the abdomen will be done.
You will be asked to wait while the images are looked at. More images may be needed.
If you were given a sedative, do not drive, operate machinery, or make important decisions until it wears off completely.
The exam may take 15-45 minutes. The length will depend on whether you need an MRI scan also.
The contrast dye injected can cause some discomfort during the injection.
A radiologist will look at the image. A report will be given to your doctor. You will meet with your doctor to go over the results.
National Institute of Diabetes and Digestive and Kidney Diseases
Radiology Info—Radiological Society of North America
Public Health Agency of Canada
Diagnostic imaging studies: magnetic resonance cholangiopancreatography (MRCP). The Pancreas Center website. Available at: http://pancreasmd.org/ed_imaging_mrcp.html. Accessed February 18, 2016.
Diagnosis magnetic resonance cholangiopancreatography (MRCP). Pancreatic Cancer Action Network website. Available at: http://www.pancan.org/section_facing_pancreatic_cancer/learn_about_pan_cancer/diagnosis/MRCP.php. Accessed February 18, 2016.
Magnetic resonance cholangiopancreatography (MRCP). Radiology Info—Radiological Society of North America website. Available at: http://www.radiologyinfo.org/en/info.cfm?pg=mrcp. Updated June 2, 2015. Accessed February 18, 2016.
MRCP. Patient UK website. Available at: http://www.patient.co.uk/health/MRCP-Scan.htm. Updated July 1, 2013. Accessed February 18, 2016.
Last reviewed March 2017 by EBSCO Medical Review BoardMichael Woods, MD, FAAP
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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