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. Author manuscript; available in PMC: 2008 Oct 1.

Published in final edited form as: Ultrasound Med Biol. 2007 Jul 2;33(10):1617–1631. doi: 10.1016/j.ultrasmedbio.2007.04.012

A snapshot of the moving patterns propagating through the fresh veal liver (a) imaged with a GE Logiq 700 and through human prostate (b) imaged with a GE Logiq 9. The frequencies of external vibration were 140 and 140.1 Hz for the liver, and 120 and 120.15 Hz for the prostate. The yellow outline in the prostate image is the profile of the prostate boundary delineated from the corresponding gray scale image. The arrows indicate the near-field artifact. Therefore, only a small ROI is visualized in the center of the image window.

A snapshot of the moving patterns propagating through the fresh veal liver (a) imaged with a GE Logiq 700 and through human prostate (b) imaged with a GE Logiq 9. The frequencies of external vibration were 140 and 140.1 Hz for the liver, and 120 and 120.15 Hz for the prostate. The yellow outline in the prostate image is the profile of the prostate boundary delineated from the corresponding gray scale image. The arrows indicate the near-field artifact. Therefore, only a small ROI is visualized in the center of the image window.