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Showing 1 to 2 of 2 for “"contrast to tissue ratio"”.
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Contrast-enhanced Doppler Ultrasound Imaging using Plane Waves
… level perfusion. Conversely, microbubble contrast-enhanced ultrasound imaging enables low velocity perfusion to be detected and separated from the tissue echo, but has a limited ability to depict the vascular morphology within the perfused tissue. To date, it has been challenging to …
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Acoustic characterisation of ultrasound contrast agents at high frequency
This thesis aims to investigate the acoustic properties of ultrasound contrast agents (UCAs) at high ultrasound frequencies. In recent years, there has been increasing development in the use of high frequency ultrasound in the fields of preclinical, intravascular, ophthalmology and superficial …