Palpation nonlinear reaction force analysis for characterization of breast tissues.

Y. Kobayashi, Mariko Tsukune, Takeharu Hoshi, Tomoyuki Miyashita, Yasuyuki Shiraishi, Tomoyuki Yambe, Masakatsu G. Fujie

Research output: Contribution to journalArticle

Abstract

This paper addresses a diagnostic palpation system based on the measurement of nonlinear elasticity. An indentation probe is used to press against breast tissue. Then, the measured reaction force is used to estimate the parameters of nonlinear elasticity, which enables the identification of tissue type, such as fat, muscle, mammary gland or tumor. Here, we present the basic concept of our study and preliminary experimental and simulation results from pilot studies. More specifically, we measured the nonlinear response of reaction force using the breast of a goat. In addition, we also simulated the reaction force using nonlinear biomechanical simulation with several tissue types. Large differences in reaction force occur only in the nonlinear range in both experimental and simulation situations. Our results confirmed the feasibility of our concept.

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Palpation
Breast
Elasticity
Tissue
Human Mammary Glands
Oils and fats
Indentation
Goats
Muscle
Tumors
Fats
Breast Neoplasms
Muscles

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition
  • Signal Processing
  • Biomedical Engineering
  • Health Informatics

Cite this

Palpation nonlinear reaction force analysis for characterization of breast tissues. / Kobayashi, Y.; Tsukune, Mariko; Hoshi, Takeharu; Miyashita, Tomoyuki; Shiraishi, Yasuyuki; Yambe, Tomoyuki; Fujie, Masakatsu G.

In: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, Vol. 2011, 2011, p. 7393-7396.

Research output: Contribution to journalArticle

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AU - Yambe, Tomoyuki

AU - Fujie, Masakatsu G.

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