An Artifact in Supersonic Shear Wave Elastography

详细信息    查看全文

• 作者：Che-Yu Lin^&lowast ; ; Pei-Yu Chen^&lowast ; ; ^&dagger ; ; Yio-Wha Shau^&Dagger ; ; ^§ ; ; Chung-Li Wang^&lowast ; ; ^&dagger ; ; ^{chungli@ntu.edu.tw}
• 关键词：Supersonic shear wave elastography ; Ultrasound ; Artifact ; Stiffness
• 刊名：Ultrasound in Medicine & Biology
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：43
• 期：2
• 页码：517-530
• 全文大小：5148 K
• 卷排序：43

文摘

Supersonic shear wave elastography is a novel ultrasound technology that allows objective evaluation of soft tissue stiffness. The purpose of this study is to report an artifact in supersonic shear wave elastography that may strongly affect the accuracy and quality of the measurement of soft tissue stiffness, and to step-by-step describe how the artifact was found and how it was verified by a series of experiments under different conditions. There were a total of three longitudinal band-like artifacts, 1.3 cm apart from each other on the entire image along the length of the SuperLinear SL15-4 transducer surface, with the middle one at the center of the image. When using supersonic shear wave elastography, users should be keenly aware of the possible occurrence of the artifact and avoid it by choosing the quantification measurement regions of interest (ROIs) away from the artifact regions.