Benchmark solution for ultrasonic imaging of tumors

Mark K. Hinders; Ta-Ming Fang; B. Rhodes; J. Collins; M. McNaughton Collins; Guido V.H. Sandri

doi:10.1117/12.59537

26 June 1992 Benchmark solution for ultrasonic imaging of tumors

Mark K. Hinders, Ta-Ming Fang, B. Rhodes, J. Collins, M. McNaughton Collins, Guido V.H. Sandri

Proceedings Volume 1660, Biomedical Image Processing and Three-Dimensional Microscopy; (1992) https://doi.org/10.1117/12.59537
Event: SPIE/IS&T 1992 Symposium on Electronic Imaging: Science and Technology, 1992, San Jose, CA, United States

Abstract

Ultrasonic imaging of tumors in the human body requires benchmark scattering solutions in order to characterize most accurately the size, location, and physical makeup of the tumor. In this paper, the scattering of ultrasound from spherical tumors in the human body is investigated theoretically. Both the tumor and the surrounding tissue are considered to be lossy elastic media, and the problem of the scattering of plane compressional elastic waves from an elastic sphere is solved analytically. With exact expressions for the fields scattered by the spherical tumor, the angular distribution of scattered energy is used to derive an ultrasonically measurable backscatter coefficient for the tumor. The analysis is general in that no restriction is placed on either the size of the tumor or the range of values of either the tissue parameters or the frequency of the ultrasound waves. The behavior of the scattered energy, as well as the ultrasonic backscatter coefficient, is then investigated numerically for representative values of tumor and surrounding tissue material parameters. Useful phenomena for ultrasonic imaging of tumors are also discussed.

Citation Download Citation

Mark K. Hinders, Ta-Ming Fang, B. Rhodes, J. Collins, M. McNaughton Collins, and Guido V.H. Sandri "Benchmark solution for ultrasonic imaging of tumors", Proc. SPIE 1660, Biomedical Image Processing and Three-Dimensional Microscopy, (26 June 1992); https://doi.org/10.1117/12.59537

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KEYWORDS

Tumors

Scattering

Tissues

Ultrasonography

Spherical lenses

Ultrasonics

Biomedical optics

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