Liver magnetic resonance imaging (Liver MRI) is a specialized, non-invasive imaging test that uses powerful magnetic fields and radio waves to produce detailed images of the liver and surrounding structures (such as the bile ducts, blood vessels, and neighboring organs). Unlike computed tomography (CT), it does not use ionizing radiation, making it a safer option, especially for long-term monitoring.
Liver MRI offers very high diagnostic accuracy and is particularly useful for the detection and characterization of liver lesions.
Liver MRI is indicated for:
- Diagnosis and characterization of liver tumors (benign or malignant)
- Monitoring of liver metastases
- Evaluation of liver fibrosis and cirrhosis
- Diagnosis of hemangiomas, adenomas, or focal nodular hyperplasia (FNH)
- Preoperative assessment before liver surgery
- Imaging of the bile ducts (e.g., with MRCP for strictures, stones, or cholangitis)
- Post-liver transplant follow-up
Procedure
The patient lies on an MRI scanner and remains in a supine position for the duration of the exam (about 20–40 minutes). In most cases, a contrast agent (gadolinium) is administered intravenously to enhance the visualization of blood vessels and lesions. The exam is painless, but the patient must stay still to ensure accurate imaging results.