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Pulse-inversion subharmonic (PISH) imaging can display information relating to pure cavitation bubbles while excluding that of tissue. Although plane-wave-based ultrafast active cavitation imaging (UACI) can monitor the transient activities of cavitation bubbles, its resolution and cavitation-to-tissue ratio (CTR) are barely satisfactory but can be significantly improved by introducing eigenspace-based...
Parametric perfusion imaging (PPI) obtained from dynamic CEUS images can depict the microvascular hemodynamic distribution. CEUS with plane wave imaging (PWI) is a choice for accurate PPI. However, the limitation of disruption rate of microbubbles (DRM) can't be overcome in PWI completely because peak negative pressure (PNP) in PWI attenuates linearly with imaging depth. The objective of this study...
Cavitation is regarded as the primary mechanism in pulsed high-intensity focused ultrasound (pHIFU) therapy. Residual cavitation bubbles can be served as nuclei for the subsequent pHIFU cavitation. Therefore, information on spatial distribution especially concentration distribution of residual cavitation bubbles is important to better control pHIFU therapy. Acoustic spatial imaging of cavitation bubbles...
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