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英文誌(2004-)

Journal of Medical Ultrasonics

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cover

2001 - Vol.28

Vol.28 No.05

Review Article(総説)

(J759 - J766)

微小気泡型超音波造影剤の音響学的挙動に関する知見ないし共通認識

On the Common Sense of the Acoustical Behaviors of Microbubble Contrast Agents

竹内 康人

Yasuhito TAKEUCHI

鹿児島大学工学部情報工学科

Department of Information and Computer Science, Faculty of Engineering, Kagoshima University

キーワード : contrast agent, harmonic, scintillation, pulse inversion, Doppler

An innovation has been seen in diagnostic ultrasound field with microbubble type contrast agents. It is an essentially different technology than the agents used in X-ray or MR. Here summarized is its technical basics including generation and transportation of such agent to the imaging field, on-site shell breakage followed by microbubble release and decay, its time-variant echogenicity and imaging methodology to create novel applications in medicine with this family of contrast agent. A caution is also solicited on Doppler measurement error in certain condition in this novel imaging method.