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Updated: Apr 29, 2026

Application of Ultrasound and Shear Wave Elastography Imaging in a Rat Model of NAFLD/NASH
Published on: April 20, 2021
Ultrasound in chronic liver disease
1Department of Radiology, (RNG also University of Melbourne) The Royal Melbourne Hospital, Grattan Street, Parkville, VIC, 3050, Australia, jan.gerstenmaier@mh.org.au.
Noninvasive ultrasound methods help detect and grade diffuse liver disease, including fibrosis and steatosis. These techniques are crucial for managing liver conditions and portal hypertension.
Area of Science:
- Medical imaging
- Hepatology
- Diagnostic ultrasound
Background:
- Diffuse liver disease prevalence necessitates noninvasive assessment methods.
- Clinical need for accurate, noninvasive detection and grading of liver fibrosis, steatosis, and complications.
Purpose of the Study:
- To summarize current noninvasive ultrasound techniques for liver assessment.
- To evaluate the performance of various ultrasound modalities in diagnosing liver conditions.
Main Methods:
- B-mode ultrasound, portal system Doppler, and contrast-enhanced ultrasound (CEUS).
- Elastography techniques including Transient Elastography (TE) and Acoustic Radiation Force Imaging (ARFI).
Main Results:
- B-mode US with Doppler is principal for liver parenchyma and portal hypertension assessment.
- TE and ARFI show reasonable accuracy in fibrosis detection and staging.
- Ultrasound grading of hepatic steatosis is currently qualitative with limited accuracy.
Conclusions:
- Ultrasound offers valuable noninvasive tools for diffuse liver disease evaluation.
- Further validation of emerging elastography techniques may enhance accuracy.
- CEUS is beneficial for evaluating suspected hepatocellular carcinoma (HCC).
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