Magnetic Resonance Imaging (MRI) Entrography is a non-invasive medical imaging procedure that uses a powerful magnetic field and radio waves to generate detailed images of the small intestine and other parts of the digestive system. This test is often used to diagnose diseases of the small intestine, such as Crohn's disease, celiac disease, and small bowel tumors, among others.
Specific Instructions:
Before an MRI Entrography, your doctor will give you specific instructions to prepare for the test. You may need to have a low-residue diet for a day or two before the test, and you will likely need to fast (not eat or drink anything) for several hours before the test. On the day of the procedure, you will need to wear loose, comfortable clothing and remove all jewelry and other metallic items. If you are pregnant, breastfeeding, or have any health conditions such as kidney disease or allergies, you should inform your doctor, as this may affect whether or not you can have the test.MRI Entrography is a specialized imaging technique that provides detailed, high-resolution images of the small intestine. The term "enterography" comes from the Greek words "enteron," meaning intestine, and "graphein," meaning to write or record. Therefore, MRI Entrography essentially provides a "record" or image of the small intestine. This imaging test is particularly useful for diagnosing and monitoring diseases of the small intestine, such as inflammatory bowel diseases, small bowel tumors, and other digestive disorders.
Unlike X-rays and CT scans, MRI Entrography does not use ionizing radiation. Instead, it uses a powerful magnetic field and radio waves to create images. The patient lies on a table that slides into a large tube-shaped MRI machine. The machine creates a strong magnetic field around the body, and then pulses radio waves at the body, which creates signals that are picked up by a receiver within the machine. A computer then processes these signals and generates detailed images of the inside of the body.During the procedure, a contrast agent is often given to the patient to help enhance the images. This is typically a gadolinium-based contrast agent, which is less likely to cause allergic reactions than the iodine-based contrast agents used in CT scans. However, in rare cases, gadolinium contrast agents can cause adverse reactions in patients with severe kidney disease.
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Frequently Asked Questions
MRI Entrography is a diagnostic imaging procedure that uses a powerful magnetic field and radio waves to create detailed images of the small intestine and other parts of the digestive system. It is often used to diagnose and monitor diseases of the small intestine.
During the procedure, the patient lies on a sliding table that enters a large cylindrical MRI machine. It is essential to remain still during the scan to ensure clear images. The procedure usually lasts between 30 to 60 minutes, depending on the specific details of the exam.
The procedure itself is not painful. However, lying still on the MRI table for an extended period might cause some discomfort. If you're claustrophobic, you might find the narrow space inside the MRI machine uncomfortable. In such cases, a mild sedative may be provided.
This test is often recommended for individuals experiencing unexplained abdominal pain, diarrhea, bleeding, or weight loss. It's also used to monitor the progress of patients with known diseases of the small intestine like Crohn's disease or to evaluate the effectiveness of treatments.
Typically, you will be asked to fast for several hours before the test. Your doctor will provide you with specific instructions. It's important to inform your doctor of any medications you're taking, any allergies you have, and whether you're pregnant or breastfeeding.
The risks associated with MRI Entrography are minimal. There's a small risk of an allergic reaction to the contrast agent used. Patients with severe kidney disease may be at risk of developing a rare but serious disease called nephrogenic systemic fibrosis from the gadolinium-based contrast agent.
The results of an MRI Entrography can help identify inflammation, bleeding, tumors, or other abnormalities in the small intestine. If any abnormalities are detected, your doctor will explain the results and discuss the next steps, which might include further tests, treatment, or referral to a specialist.
If the results are abnormal, it's important to discuss them with your doctor, who will guide you on the next steps. This could include further testing, a referral to a specialist, or starting a treatment plan.
Generally, patients are asked to fast for several hours before the test. However, specific instructions can vary, so it's important to follow your doctor's instructions.
You should inform your doctor about any medications you're taking, as some may need to be adjusted or stopped before the test. Never stop or adjust your medication without consulting with your doctor first.
MRI Entrography is a valuable diagnostic tool for evaluating the small intestine and diagnosing various gastrointestinal disorders. It offers detailed imaging without the use of ionizing radiation, making it a safe option for most patients. As with any medical procedure, it's crucial to follow your doctor's instructions for preparation and post-procedure care to ensure the most accurate results.
