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Speed of sound measurements in potential contrast agents for use in diagnostic ultrasound
McWhirt, Robert Eugene
McWhirt, Robert Eugene
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Abstract
Current state-of-the-art diagnostic ultrasound equipment enables the physician to visually detect differences between and within body tissues. It allows for the detection of some benign and malignant tumors in such organs as the breast, thyroid, pancreas, liver, and kidney without exposure to the ionizing radiation of xray and radionuclide procedures. Diagnosis with ultrasound essentially involves the interpretation of observable interactions between the ultrasound beam and tissue interfaces. These interactions include reflection and, to a lesser degree, scatterine and depend upon differences between the acoustic impedances of the two tissues forming each interface. Large numbers of tissue interfaces exist; however, the differences among the acoustic impedances of most tissues (normal or abnormal) are not very large.
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M.S. University of Kansas, Physics and Astronomy. 1979
Date
1979-05-31
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University of Kansas
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mcwhirt_1979_568534.pdf
Adobe PDF, 1.16 MB