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To study the value of ultrasound elastography in evaluation of ethanol-induced lesions of liver. Alcohol with a dose of 2 ml was injected into a fresh porcine liver under ultrasound guidance to create stiff necrosis. Then freehand elastography of the lesion from the identical scan plane was obtained with SONOLINE Antares system using VF10-5 probe at about every 30 seconds till 6 minutes later....
Early detection and grading of liver fibrosis are important for the treatment of chronic hepatitis. As the gold standard for the assessment of hepatic fibrosis, liver biopsy is invasive, and may cause hemorrhage and infection. Therefore, it is very important to develop noninvasive clinical methods for fibrosis assessment. In this paper, B-mode videos of the liver during peaceful respiration were acquired...
Since the waveform of an echo is more distorted under larger compression, elastography can be applied in cases where the compression is only a few percent. To reduce errors due to distortion of the echo waveform, a novel algorithm (i.e. the multi-scale correlation algorithm) for strain profile reconstruction is proposed in this article. The basic idea of this method is to simulate human vision: first,...
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