How calcifications affect shear wave speed estimations? An experimental study

Adriana Gregory; Qiang Bo; Mahdi Bayat; Max Denis; Mohammad Mehrmohammadi; Mostafa Fatemi; Azra Alizad

doi:10.1109/ULTSYM.2015.0477

How calcifications affect shear wave speed estimations? An experimental study

Adriana Gregory, Qiang Bo, Mahdi Bayat, Max Denis, Mohammad Mehrmohammadi, Mostafa Fatemi, Azra Alizad

Chancellor's Office (Rochester)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this study, comb-push ultrasound shear elastography was the method used to investigate the effect of calcifications on shear wave elastography estimates. The study was divided in two parts. The first part included a finite element method (FEM) simulation to observe closely the effect of calcifications on shear-wave elastography. The second part involved two phantom experiments to investigate the changes of shear wave speed in presence of macro and microcalcifications. Results from the phantom studies showed that the presence of large isolated macrocalcifications can introduce areas with apparent high stiffness mainly below the calcification when they are evaluated by shear wave elastography.

Original language	English (US)
Title of host publication	2015 IEEE International Ultrasonics Symposium, IUS 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479981823
DOIs	https://doi.org/10.1109/ULTSYM.2015.0477
State	Published - Nov 13 2015
Event	IEEE International Ultrasonics Symposium, IUS 2015 - Taipei, Taiwan, Province of China Duration: Oct 21 2015 → Oct 24 2015

Publication series

Name	2015 IEEE International Ultrasonics Symposium, IUS 2015

Other

Other	IEEE International Ultrasonics Symposium, IUS 2015
Country/Territory	Taiwan, Province of China
City	Taipei
Period	10/21/15 → 10/24/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

Keywords

Calcification
Elastography
Shear Wave
Ultrasound

Publisher link

10.1109/ULTSYM.2015.0477

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Gregory, A., Bo, Q., Bayat, M., Denis, M., Mehrmohammadi, M., Fatemi, M., & Alizad, A. (2015). How calcifications affect shear wave speed estimations? An experimental study. In 2015 IEEE International Ultrasonics Symposium, IUS 2015 Article 7329268 (2015 IEEE International Ultrasonics Symposium, IUS 2015). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ULTSYM.2015.0477

How calcifications affect shear wave speed estimations? An experimental study. / Gregory, Adriana; Bo, Qiang; Bayat, Mahdi et al.
2015 IEEE International Ultrasonics Symposium, IUS 2015. Institute of Electrical and Electronics Engineers Inc., 2015. 7329268 (2015 IEEE International Ultrasonics Symposium, IUS 2015).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Gregory, A, Bo, Q, Bayat, M, Denis, M, Mehrmohammadi, M, Fatemi, M & Alizad, A 2015, How calcifications affect shear wave speed estimations? An experimental study. in 2015 IEEE International Ultrasonics Symposium, IUS 2015., 7329268, 2015 IEEE International Ultrasonics Symposium, IUS 2015, Institute of Electrical and Electronics Engineers Inc., IEEE International Ultrasonics Symposium, IUS 2015, Taipei, Taiwan, Province of China, 10/21/15. https://doi.org/10.1109/ULTSYM.2015.0477

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abstract = "In this study, comb-push ultrasound shear elastography was the method used to investigate the effect of calcifications on shear wave elastography estimates. The study was divided in two parts. The first part included a finite element method (FEM) simulation to observe closely the effect of calcifications on shear-wave elastography. The second part involved two phantom experiments to investigate the changes of shear wave speed in presence of macro and microcalcifications. Results from the phantom studies showed that the presence of large isolated macrocalcifications can introduce areas with apparent high stiffness mainly below the calcification when they are evaluated by shear wave elastography.",

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N2 - In this study, comb-push ultrasound shear elastography was the method used to investigate the effect of calcifications on shear wave elastography estimates. The study was divided in two parts. The first part included a finite element method (FEM) simulation to observe closely the effect of calcifications on shear-wave elastography. The second part involved two phantom experiments to investigate the changes of shear wave speed in presence of macro and microcalcifications. Results from the phantom studies showed that the presence of large isolated macrocalcifications can introduce areas with apparent high stiffness mainly below the calcification when they are evaluated by shear wave elastography.

AB - In this study, comb-push ultrasound shear elastography was the method used to investigate the effect of calcifications on shear wave elastography estimates. The study was divided in two parts. The first part included a finite element method (FEM) simulation to observe closely the effect of calcifications on shear-wave elastography. The second part involved two phantom experiments to investigate the changes of shear wave speed in presence of macro and microcalcifications. Results from the phantom studies showed that the presence of large isolated macrocalcifications can introduce areas with apparent high stiffness mainly below the calcification when they are evaluated by shear wave elastography.

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How calcifications affect shear wave speed estimations? An experimental study

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