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Paper Abstract and Keywords
Presentation 2025-08-28 14:55
Evaluation of fluid pressure in biological tissue using mechanical vibration -- Acoustic Morphology Analysis under Fluid Pressure Stress --
Kento Shimizu, Naoki Tano (Science Tokyo), Ren Koda, Yoshiki Yamakoshi (Gunma Univ), Marie Tabaru (Science Tokyo) US2025-29
Abstract (in Japanese) (See Japanese page) 
(in English) To non-invasively evaluate the effect of Interstitial Fluid Pressure on tissue stiffness, we analyzed the effect of IFP loading on shear wave propagation characteristics of surrounding tissues. The spatial distribution of shear wave velocity (SWV) was analyzed using mechanical vibration and the phase gradient method. The results were compared with experimental results using Finite Difference Time Domain simulation. We visualized a phenomenon in which the SWV increases locally in the region directly surrounding the liquid phase as the liquid pressure increases. This trend was reproduced by the simulation, suggesting that this phenomenon is caused by the generation of local tension due to pressure.
Keyword (in Japanese) (See Japanese page) 
(in English) Shear wave elastography / Interstitial Fluid Pressure / Acoustic morphology / Ultrasound Imaging / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 159, US2025-29, pp. 21-25, Aug. 2025.
Paper # US2025-29 
Date of Issue 2025-08-21 (US) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF US2025-29

Conference Information
Committee US  
Conference Date 2025-08-28 - 2025-08-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Institute of Science Tokyo (Ookayama Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Underwater acoustics, Ultrasonics, etc. 
Paper Information
Registration To US 
Conference Code 2025-08-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of fluid pressure in biological tissue using mechanical vibration 
Sub Title (in English) Acoustic Morphology Analysis under Fluid Pressure Stress 
Keyword(1) Shear wave elastography  
Keyword(2) Interstitial Fluid Pressure  
Keyword(3) Acoustic morphology  
Keyword(4) Ultrasound Imaging  
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1st Author's Name Kento Shimizu  
1st Author's Affiliation Institute of Science Tokyo (Science Tokyo)
2nd Author's Name Naoki Tano  
2nd Author's Affiliation Institute of Science Tokyo (Science Tokyo)
3rd Author's Name Ren Koda  
3rd Author's Affiliation Gunma University (Gunma Univ)
4th Author's Name Yoshiki Yamakoshi  
4th Author's Affiliation Gunma University (Gunma Univ)
5th Author's Name Marie Tabaru  
5th Author's Affiliation Institute of Science Tokyo (Science Tokyo)
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Speaker Author-1 
Date Time 2025-08-28 14:55:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2025-29 
Volume (vol) vol.125 
Number (no) no.159 
Page pp.21-25 
#Pages 5 
Date of Issue 2025-08-21 (US) 

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