Accuracy of Common Motion Estimators in Wave-Based Optical Coherence Elastography

Rippy, Justin; Singh, Manmohan; Aglyamov, Salavat R.; Larin, Kirill V.

doi:10.18287/jbpe21.07.040303

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2022

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“…Though it is most convenient when the transducer can act as both a shear wave generator and an imaging modality, this method could be performed with an additional wave source, such as a mechanical actuator utilized in MRE [35]. The main concern is that wave propagation with a sufficient signal-to-noise ratio [36] must be observed in the sensor. Shear wave propagation in the sample is not necessary when using this method.…”

Section: Discussionmentioning

confidence: 99%

Quantitative Compression Elastography With an Uncalibrated Stress Sensor

Rippy

Singh²,

Nair³

et al. 2022

Front. Phys.

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Tissue stiffness is a key biomechanical property that can be exploited for diagnostic and therapeutic purposes. Tissue stiffness is typically measured quantitatively via shear wave elastography or qualitatively through compressive strain elastography. This work focuses on merging the two by implementing an uncalibrated stress sensor to allow for the calculation of Young’s modulus during compression elastography. Our results show that quantitative compression elastography is able to measure Young’s modulus values in gelatin and tissue samples that agree well with uniaxial compression testing.

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Section: Discussionmentioning

confidence: 99%