Fat Fraction Estimation Using Ultrasound with Shear Wave Propagation

摘要

Fat fraction is estimated from shear wave propagation. Acoustic radiation force is used to generate a shear wave in tissue of interest. The attenuation, center frequency, bandwidth or other non-velocity characteristic of the shear wave is calculated and used to estimate the fat fraction.

主权项

1. A method for fat fraction estimation from shear wave propagation, the method comprising:
transmitting an acoustic radiation force excitation into a patient; measuring, with ultrasound, displacements at locations of tissue within a patient in response to a shear wave resulting from the acoustic radiation force excitation; calculating, by a processor, attenuation of the shear wave from the displacements; estimating, by the processor, a fat fraction of the tissue as a function of the attenuation of the shear wave; and displaying an indication of the fat fraction.