Canon Medical Systems Corporation

Yoshimi Muto

Masaki Watanabe

Tetsuya Kawagishi

Koichiro Kurita

Yuko Kanayama

Shogo Fukuda

Eiji Goto

An ultrasonic diagnosis apparatus according to an embodiment includes a transmission unit, a reception unit, a generator, and a display controller. The transmission unit causes an ultrasonic probe to transmit a displacement-producing ultrasonic wave and causes the probe to transmit a displacement-observing ultrasonic wave. The reception unit generates reflected-wave data based on a reflected wave received by the probe. The generator calculates displacement at each of a plurality of positions in the scan area over a plurality of time phases, based on the reflected-wave data, determines a time phase when the calculated displacement is substantially maximum, for each of the positions, and generates image data representing positions where the determined time phases are substantially the same as each other, among the positions. The display controller superimposes an image based on the image data on a medical image corresponding to an area including the scan area.

Ultrasonic diagnosis apparatus, image processing apparatus, and image processing method for tissue displacement caused by a shearwave generated by acoustic radiation force

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Nasushiobara, Japan

Yoshimi Muto