• Corpus ID: 237452672

A preliminary study of liver fat quantification using reported longitudinal ultrasound speed of sound and attenuation parameters

@inproceedings{Ormachea2021APS,
  title={A preliminary study of liver fat quantification using reported longitudinal ultrasound speed of sound and attenuation parameters},
  author={Juvenal Ormachea and Kevin J. Parker},
  year={2021}
}
The quantification of liver fat as a diagnostic assessment of steatosis remains an important priority for noninvasive imaging systems. We derive a framework in which the unknown fat volume percentage can be estimated from a pair of ultrasound measurements. The precise estimation of ultrasound speed of sound and attenuation within the liver are shown to be sufficient for estimating fat volume assuming a classical model of the properties of a composite elastic material. In this model, steatosis… 
View PDF on arXiv
1 Citation
Background Citations
1

Figures and Tables from this paper

One Citation

Multimodal Assessment of Non-Alcoholic Fatty Liver Disease with Transmission-Reflection Optoacoustic Ultrasound

The proposed multimodal approach facilitates quantification of liver abnormalities at early stages using a variety of optical and acoustic contrasts, laying the ground for translating the TROPUS approach toward diagnosis and monitoring NAFLD in patients.

54 References

The quantification of liver fat from wave speed and attenuation

It is shown that accurate measurements of shear wave speed and attenuation provide the necessary and sufficient information to solve for the unknown fat volume and the underlying liver stiffness.

Quantification of Liver Fat Content with Ultrasound: A WFUMB Position Paper.

Robust sound speed estimation for ultrasound-based hepatic steatosis assessment

A new method based on the assessment of spatio-temporal properties of the local speckle noise for SSE provides an efficient way to diagnose and stage hepatic steatosis.

Ultrasonic Adaptive Sound Speed Estimation for the Diagnosis and Quantification of Hepatic Steatosis: A Pilot Study

SSE can be used to detect, quantify and grade liver steatosis and to calculate a US fat index.

In-vivo study of quantitative ultrasound parameters in fatty rabbit livers

Ultrasonic fat fraction quantification using in vivo adaptive sound speed estimation.

The non-invasive quantification of human tissue fat fraction using easily scalable and accessible imaging technologies is crucial for the diagnosis of many diseases including liver steatosis and a theoretical equation relating acoustic sound speed and fat content is derived and cross-validated.

New diagnostic technique to evaluate hepatic steatosis using the attenuation coefficient on ultrasound B mode

The accuracy of steatosis grade diagnosis using ATT was the same as that using CAP, with no significant differences and with the added advantage of B mode ultrasound being more convenient and rapid, compared to A mode ultrasound, particularly for patients with subcutaneous fat thickness β‰₯2 cm.

Liver Fat Quantification by Ultrasound in Children: A Prospective Study.

Attenuation coefficient and HRI accurately detected and quantified liver fat in this small sample of children and may guide NAFLD diagnosis and management in children.

Detection of Liver Steatosis With a Novel Ultrasound-Based Technique: A Pilot Study Using MRI-Derived Proton Density Fat Fraction as the Gold Standard

ATI performed better than CAP, and this improvement was statistically significant for S > 1 (P = 0.04), showing that, in patients with no fibrosis/mild fibrosis, ATI is a very promising tool for the noninvasive assessment of steatosis.

The B-Mode Image-Guided Ultrasound Attenuation Parameter Accurately Detects Hepatic Steatosis in Chronic Liver Disease.

...