作者: Yuko Kono , Thilo Hölscher , Robert F Mattrey
DOI: 10.1007/978-0-387-72027-2_15
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摘要: Recent advances in both ultrasound contrast agents and contrast-specific imaging techniques have significantly impacted the field of sonography. Improvement has made all bubble-based visible on gray-scale displays with high spatial resolution. Low mechanical index (MI) now allows good parenchymal enhancement various organs real time, although intermittent is still necessary some occasions.