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KMID : 0880420210220050677
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Korean Journal of Radiology
2021 Volume.22 No. 5 p.677 ~ p.687
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Breast Ultrasound Microvascular Imaging and Radiogenomics
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Park Ah-Young
Seo Bo-Kyoung
Han Mi-Ryung
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Abstract
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Microvascular ultrasound (US) techniques are advanced Doppler techniques that provide high sensitivity and spatial resolution for detailed visualization of low-flow vessels. Microvascular US imaging can be applied to breast lesion evaluation with or without US contrast agents. Microvascular US imaging without a contrast agent uses a sophisticated wall filtering system to selectively obtain low-flow Doppler signals from overlapped artifacts. Microvascular US imaging with second-generation contrast agents amplifies flow signals and makes them last longer, which facilitates hemodynamic evaluation of breast lesions. In this review article, we will introduce various microvascular US techniques, explain their clinical applications in breast cancer diagnosis and radiologic-histopathologic correlation, and provide a summary of a recent radiogenomic study using microvascular US.
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KEYWORD
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Breast, Ultrasound, Ultrasonography, Microvascular imaging, Contrast agent, Radiogenomics, Radiomics
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