Tissue elasticity imaging based on combined autocorrelation method and 3-D tissue model

N. Nitta, M. Yamakawa, T. Shiina, E. Ueno, Marvin M. Doyley, Jeffrey C. Bamber

研究成果: Conference article査読

20 被引用数 (Scopus)

抄録

To obtain an accurate strain distribution under a large displacement, beyond ultrasonic wavelength, we propose a method of reconstructing the strain distribution by modifying the autocorrelation technique. We call this method the `combined autocorrelation method'. The method is capable of rapidly detecting strain in the phase domain processing without aliasing. We also attempt to reconstruct the elastic modulus distribution by solving the inverse problem based on a 3-D finite element tissue model. These methods were applied to obtaining strain and elastic modulus images of a tumor phantom and an extracted breast tissue including a cancer tumor. A tumor with a 10 mm diameter and with poor contrast in a B-mode image was clearly displayed as a region harder than the surrounding soft tissue in the strain and elastic modulus images. These results indicate that the proposed method is a promising means for diagnosing tumor.

本文言語English
ページ(範囲)1447-1450
ページ数4
ジャーナルProceedings of the IEEE Ultrasonics Symposium
2
出版ステータスPublished - 1998
外部発表はい
イベントProceedings of the 1998 International Ultrasonics Symposium - Sendai, Miyagi, Jpn
継続期間: 1998 10月 51998 10月 8

ASJC Scopus subject areas

  • 音響学および超音波学

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