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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: IEEE Trans Med Imaging. 2017 Aug 2;37(1):106–115. doi: 10.1109/TMI.2017.2735238

Fig. 5.

Fig. 5

Boxplot of the azimuthal position relative to the free field focus of the histotripsy transducer of (a) the maximum grayscale value, (b) maximum acoustic power, and (c) the liquefaction zone head. The pulse duration of the histotripsy insonation is indicated in the legend. The solid black line indicates the median value, the box extends from the 25th to the 75th quartiles, and the dashed whiskers span the range of the data. Arrows in (c) indicate the position of the liquefaction zone head is significantly different than the position of the maximum grayscale value or acoustic power. (d) Scatter plot of the azimuthal position of the front face of the liquefaction zone head and the maximum acoustic power or maximum grayscale value. The dashed lines are linear regression curves between the maximum acoustic power or grayscale value and position of the liquefaction zone head. N = 5 for each set of insonation conditions.