Related Experiment Video
Updated: Nov 4, 2025
06:09
Author Spotlight: Advancing Hepatic Fibrosis Diagnosis Using Magnetic Resonance Elastography and AI
Published on: July 21, 2023
1.5K
[Magnetic resonance imaging in liver function analysis. Modern objective reality].
D E Arutyunyants1, V V Khovrin1, T N Galyan1
1Petrovsky Russian Scientific Center of Surgery, Moscow, Russia.
Khirurgiia
|May 25, 2021
Summary
Gadoxetic acid-enhanced MRI offers valuable insights into liver fibrosis and function, potentially reducing the need for liver biopsy. Further research is needed to refine MRI-based liver function analysis.
Area of Science:
- Radiology
- Hepatology
- Medical Imaging
Background:
- Chronic liver disease progression involves fibrosis and cirrhosis, necessitating accurate diagnosis and monitoring.
- Gadoxetic acid (Primovist, Eovist) is a hepatotropic contrast agent used in liver disease assessment.
- Magnetic resonance imaging (MRI) in the hepatobiliary phase aids in diagnosing liver lesions and assessing fibrosis.
Purpose of the Study:
- To review contrast-enhanced MRI methods for liver function assessment.
- To explore the correlation between liver structural changes and gadoxetic acid accumulation.
- To highlight the potential of MRI in reducing liver biopsy necessity.
Main Methods:
- Review of contrast-enhanced MRI techniques using gadoxetic acid.
- Analysis of gadoxetic acid's hepatotropic and elimination properties.
- Correlation of MRI findings with liver fibrosis severity.
Main Results:
- Gadoxetic acid-enhanced MRI is valuable for assessing liver structure, fibrosis, and function.
- MRI can potentially replace liver biopsy in certain cases.
- Biliary excretion of gadoxetic acid enables MR-cholangiography for bile duct assessment.
Conclusions:
- Contrast-enhanced MRI with gadoxetic acid is a powerful tool for evaluating chronic liver disease.
- Further research is required to establish standardized MRI-based liver function analysis methods.
More Related Videos
Related Concept Videos
01:24Magnetic Resonance Imaging
8.2K
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
8.2K
01:22Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test
45
In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess...
45
01:27Imaging Studies IV: Magnetic Resonance Imaging
107
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
107
01:21Imaging Studies for Cardiovascular System IV: CMRI
172
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
172
01:25Applications Of NMR In Biology
4.1K
Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
4.1K
01:25Ultrasound II: Endoscopic Ultrasound and FibroScan
267
Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Endoscopic Ultrasound (EUS):
267