Shear wave speed imaging using unfocused plane wave transmission

Park, Jeong Man; Kwon, Seok Jin; Jeong, Mok-Kun

doi:10.1007/s13534-013-0109-8

Cited by 1 publication

(1 citation statement)

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“…Park et al measured the shear modulus quantitatively from the displacement versus time curve of an ultrasound tissue phantom when pushed by an ARFI excitation [51]. The group also introduced a qualitative method of measuring the stiffness of an entire imaging area using a single plane wave transmission [52]. Foucher et al diagnosed the cirrhosis by applying a mechanical impulse to the skin surface and observing the shear wave propagating inside the liver [53].…”

Section: Acoustic Radiation Force Impulse Imagingmentioning

confidence: 99%

Advances in ultrasound elasticity imaging

Kwon

Jeong

2017

Biomed. Eng. Lett.

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The most troublesome of ultrasonic B-mode imaging is the difficulty of accurately diagnosing cancers, benign tumors, and cysts because they appear similar to each other in B-mode images. The human soft tissue has different physical characteristics of ultrasound depending on whether it is normal or not. In particular, cancers in soft tissue tend to be harder than the surrounding tissue. Thus, ultrasound elasticity imaging can be advantageously used to detect cancers. To measure elasticity, a mechanical force is applied to a region of interest, and the degree of deformation measured is rendered as an image. Depending on the method of applying stress and measuring strain, different elasticity imaging modalities have been reported, including strain imaging, sonoelastography, vibro-acoustography, transient elastography, acoustic radiation force impulse imaging, supersonic imaging, and strain-rate imaging. In this paper, we introduce various elasticity imaging methods and explore their technical principles and characteristics.

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Section: Acoustic Radiation Force Impulse Imagingmentioning

confidence: 99%