Neoplasm Metastasis Clinical Trial
Official title:
Clinical Application of Super-resolution Ultrasound(SR-US) Imaging in Solid Tumors
It has well accepted that tumor angiogenesis present aberrant vascular architecture and functional abnormalities, which is associated with tumorigenesis, tumor propagation and progression. By locating, separating and tracking microbubbles, the recently introduced and upgraded Ultrasound Localization Microscopy (ULM) surpassed classical wave diffraction limit. However, the acquisition of structural and functional parameters of microcirculation in vivo for ULM is still confined by the compromise between the resolution and penetration depth. The relatively long acquisition time induced the difficulty of motion correction potentially, which hampers the preclinical to clinical application in organs with distinct tissue motion such as the liver. Therefore, we take the lead in studying human liver lesion microvasculature, which remains a challenge for noninvasive, quantitative and functional intravital imaging especially due to its deep-seated location and strong motion. We developed a Super-resolution Ultrasound (SR-US) imaging technique based on ULM to assess its feasibility of visualizing and quantifying microvasculature in human organs.
In this study, 7 indexes were obtained by ultrasonic acquisition. These 7 indicators are used to describe and evaluate the microvessels in the tumor, so as to achieve the early identification and diagnosis of the tumor, and to monitor the growth of the tumor for a long time and evaluate the treatment of the tumor. This is not available with other ultrasound devices. Based on contrast-enhanced ultrasound, this technology can provide information of smaller blood vessels, which will certainly contribute to the early diagnosis and real-time evaluation of solid tumors during treatment, and play an important role in clinical application. ;
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