Strain Ratio

Introduction
It has been shown that the strain contrast values measured across slices obtained from soft tissue can closely approximate the modulus contrast [1]-[3]. In this work we evaluate the performance of the strain ratio measurement on the SonixTouch using the Elasticity QA phantom (Model 049, CIRS).

Experimental Setup
The Elasticity Phantom consists of four inclusions (i.e. two hard inclusions and two soft inclusions):



Each inclusion was imaged in real-time elastography mode [4] while a continuous longitudinal compression was applied to its surface. Once a good contrast was observed, the measurement was carried out.

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