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Medical ultrasound: imaging of soft tissue strain and elasticity

Wells, Peter Neil Temple ORCID: https://orcid.org/0000-0002-0409-2841 and Liang, Hai-Dong 2011. Medical ultrasound: imaging of soft tissue strain and elasticity. Interface 8 (64) , pp. 1521-1549. 10.1098/rsif.2011.0054

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Abstract

After X-radiography, ultrasound is now the most common of all the medical imaging technologies. For millennia, manual palpation has been used to assist in diagnosis, but it is subjective and restricted to larger and more superficial structures. Following an introduction to the subject of elasticity, the elasticity of biological soft tissues is discussed and published data are presented. The basic physical principles of pulse-echo and Doppler ultrasonic techniques are explained. The history of ultrasonic imaging of soft tissue strain and elasticity is summarized, together with a brief critique of previously published reviews. The relevant techniques—low-frequency vibration, step, freehand and physiological displacement, and radiation force (displacement, impulse, shear wave and acoustic emission)—are described. Tissue-mimicking materials are indispensible for the assessment of these techniques and their characteristics are reported. Emerging clinical applications in breast disease, cardiology, dermatology, gastroenterology, gynaecology, minimally invasive surgery, musculoskeletal studies, radiotherapy, tissue engineering, urology and vascular disease are critically discussed. It is concluded that ultrasonic imaging of soft tissue strain and elasticity is now sufficiently well developed to have clinical utility. The potential for further research is examined and it is anticipated that the technology will become a powerful mainstream investigative tool. medical ultrasound ultrasonic imaging tissue palpation soft

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: Q Science > QC Physics
R Medicine > R Medicine (General)
T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: medical ultrasound ; ultrasonic imaging ; tissue palpation ; soft tissue ; ultrasonic elastography ; strain in tissue
Publisher: Royal Society, The
ISSN: 1742-5662
Last Modified: 18 Oct 2022 13:50
URI: https://orca.cardiff.ac.uk/id/eprint/15596

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