Why apparent contrast in elasticity of biological tissues is noticeably different for compression ultrasound elastography and OCE

Ekaterina V. Gubarkova; Alexander A. Sovetsky; Dmitry A. Vorontsov; Pavel A. Buday; Marina A. Sirotkina; Lev A. Matveev; Alexander L. Matveyev; Sergey V. Gamayunov; Alexey Y. Vorontsov; Natalia D. Gladkova; Vladimir Y. Zaitsev

doi:10.1117/12.2614016

2 March 2022 Why apparent contrast in elasticity of biological tissues is noticeably different for compression ultrasound elastography and OCE

Ekaterina V. Gubarkova, Alexander A. Sovetsky, Dmitry A. Vorontsov, Pavel A. Buday, Marina A. Sirotkina, Lev A. Matveev, Alexander L. Matveyev, Sergey V. Gamayunov, Alexey Y. Vorontsov, Natalia D. Gladkova, Vladimir Y. Zaitsev

Author Affiliations +

Proceedings Volume 11962, Optical Elastography and Tissue Biomechanics VIV; 1196203 (2022) https://doi.org/10.1117/12.2614016
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

The aim of this study is to compare the results of tissue stiffness estimates given by compression (strain) ultrasound elastography (S-USE) and compression optical coherence elastography (C-OCE) beyond the difference in resolution and penetration depth. Namely, the focus of this work is on the contribution of elastic nonlinearity and mechanical inhomogeneity of the tissues to the stiffness estimates and resultant diagnostic performance of these techniques. We demonstrate that in comparison with S-USE despite basically the same compression principle, the applied realization of quantitative C-OCE have novel capabilities due to its ability to obtain spatially-resolved local pressure control and the local stress-strain curve mapping within the tissue.

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Ekaterina V. Gubarkova, Alexander A. Sovetsky, Dmitry A. Vorontsov, Pavel A. Buday, Marina A. Sirotkina, Lev A. Matveev, Alexander L. Matveyev, Sergey V. Gamayunov, Alexey Y. Vorontsov, Natalia D. Gladkova, and Vladimir Y. Zaitsev "Why apparent contrast in elasticity of biological tissues is noticeably different for compression ultrasound elastography and OCE", Proc. SPIE 11962, Optical Elastography and Tissue Biomechanics VIV, 1196203 (2 March 2022); https://doi.org/10.1117/12.2614016

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