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Harmonic Motion Microwave Doppler Imaging: A Simulation Study Using a Simple Breast Model.

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Title: Harmonic Motion Microwave Doppler Imaging: A Simulation Study Using a Simple Breast Model.
Authors: Top, Can Baris1, Gencer, Nevzat G.2
Source: IEEE Transactions on Medical Imaging. Feb2014, Vol. 33 Issue 2, p290-300. 11p.
Subjects: Harmonic motion, Microwaves, Doppler effect, Image analysis, Simulation methods & models, Spectrum analysis, Ultrasonic imaging
Abstract: A hybrid method for tissue imaging using dielectric and elastic properties is proposed and investigated with simple bi-layered breast model. In this method, local harmonic motion is generated in the tissue using a focused ultrasound probe. A narrow-band microwave signal is transmitted to the tissue. The Doppler component of the scattered signal, which depends on the dielectric and elastic properties of the vibrating region, is sensed. A plane-wave spectrum technique is used together with reciprocity theorem for calculating the response of a vibrating electrically small spherical tumor in breast tissue. The effects of operating frequency, antenna alignment and distance, and tumor depth on the received signal are presented. The effect of harmonic motion frequency on the vibration amplitude and displacement distribution is investigated with mechanical simulations using the finite element method. The safety of the method is analyzed in terms of microwave and ultrasound exposure of the breast tissue. The results show that the method has a potential in detecting tumors inside fibro-glandular breast tissue. [ABSTRACT FROM AUTHOR]
Copyright of IEEE Transactions on Medical Imaging is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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PubType: Academic Journal
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  Data: A hybrid method for tissue imaging using dielectric and elastic properties is proposed and investigated with simple bi-layered breast model. In this method, local harmonic motion is generated in the tissue using a focused ultrasound probe. A narrow-band microwave signal is transmitted to the tissue. The Doppler component of the scattered signal, which depends on the dielectric and elastic properties of the vibrating region, is sensed. A plane-wave spectrum technique is used together with reciprocity theorem for calculating the response of a vibrating electrically small spherical tumor in breast tissue. The effects of operating frequency, antenna alignment and distance, and tumor depth on the received signal are presented. The effect of harmonic motion frequency on the vibration amplitude and displacement distribution is investigated with mechanical simulations using the finite element method. The safety of the method is analyzed in terms of microwave and ultrasound exposure of the breast tissue. The results show that the method has a potential in detecting tumors inside fibro-glandular breast tissue. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of IEEE Transactions on Medical Imaging is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1109/TMI.2013.2284234
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 290
    Subjects:
      – SubjectFull: Harmonic motion
        Type: general
      – SubjectFull: Microwaves
        Type: general
      – SubjectFull: Doppler effect
        Type: general
      – SubjectFull: Image analysis
        Type: general
      – SubjectFull: Simulation methods & models
        Type: general
      – SubjectFull: Spectrum analysis
        Type: general
      – SubjectFull: Ultrasonic imaging
        Type: general
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      – TitleFull: Harmonic Motion Microwave Doppler Imaging: A Simulation Study Using a Simple Breast Model.
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            NameFull: Top, Can Baris
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              Text: Feb2014
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              Y: 2014
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