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Journal of Ultrasound in Medicine, Vol 8, Issue 11 631-634, Copyright © 1989 by American Institute of Ultrasound in Medicine

JOURNAL ARTICLE

Correlation of Fourier spectral shift-determined hepatic acoustic attenuation coefficients with liver biopsy findings

C. C. Kuni, T. K. Johnson, J. R. Crass and D. C. Snover
Department of Radiology, University of Minnesota Hospital and Clinics, Minneapolis 55455.

We calculated hepatic acoustic attenuation coefficients (ACs) in 13 patients who had liver biopsies and in 3 normal subjects by means of Fourier spectral analysis of reflected ultrasound signals from increasing depths in the liver. The ACs were correlated with estimated percentage area occupied by fat in the liver biopsies; linear regression analysis revealed a correlation coefficient of r = .78 (p less than .001). The presence of fibrosis did not correlate with AC.




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Copyright © 1989 by the American Institute of Ultrasound in Medicine.