High-speed Freehand Tissue Elasticity Imaging for Breast Diagnosis
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概要
- 論文の詳細を見る
Tissue elasticity imaging technology is expected to be a new technique for breast disease diagnosis. In clinical measurement, high-speed and freehand manipulation of the probe is required for a practical system. Thus, we developed a tissue elasticity imaging system which performs a stable strain measurement with freehand tissue compression based on the extended combined autocorrelation method. The method enables us to obtain tissue strain distribution at high-speed and suppressing errors due to lateral slip of the probe caused by freehand compression. The developed method can estimate the strain images at about 5 frames/s and was applied to breast disease measurement in vivo. Consequently, it is shown that the system is effective not only for the diagnosis of tissue hardness but also to determine the disease expansion area. It is also confirmed that the method can stably estimate the strain during the breast measurement in vivo.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2003-05-15
著者
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Shiina Tsuyoshi
Institute Of Information Science And Electronics University Of Tsukuba
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Ueno Ei
Institute Of Clinial Medicine University Of Tsukuba
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MATSUMURA Takeshi
Research & Development Center, Hitachi Medical Corporation
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TAMANO Satoshi
Research & Development Center, Hitachi Medical Corporation
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MITAKE Tsuyoshi
Research & Development Center, Hitachi Medical Corporation
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Nitta Naotaka
Institute For Human Science And Biomedical Engineering National Institute Of Advanced Industrial Sci
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Yamakawa Makoto
Institute Of Information Sciences And Electronics University Of Tsukuba
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Mitake Tsuyoshi
Research & Development Center, Hitachi Medical Corporation, Shintoyofuta, Kashiwa 277-0804, Japan
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Tamano Satoshi
Research & Development Center, Hitachi Medical Corporation, Shintoyofuta, Kashiwa 277-0804, Japan
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Nitta Naotaka
Institute of Information Sciences and Electronics, University of Tsukuba, Tennodai, Tsukuba 305-8573, Japan
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Matsumura Takeshi
Research & Development Center, Hitachi Medical Corporation, Shintoyofuta, Kashiwa 277-0804, Japan
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Ueno Ei
Institute of Clinical Medicine, University of Tsukuba, Tennodai, Tsukuba 305-8575, Japan
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