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Journal of Ultrasound in Medicine, Vol 3, Issue 1 9-14, Copyright © 1984 by American Institute of Ultrasound in Medicine
Fatty infiltration of the liver: ultrasonographic and computed tomographic correlation
J. C. Scatarige, W. W. Scott, P. J. Donovan, S. S. Siegelman and R. C. Sanders
To evaluate the accuracy of ultrasonography in diagnosing fatty
infiltration of the liver (FIL), the authors compared gray-scale B-mode
ultrasonography and unenhanced computed tomographic (CT) liver images in a
study of 47 patients. The CT scans, which served as the diagnostic
standard, were classified as normal, Grade 1 (mild FIL), Grade 2 (moderate
FIL), and Grade 3 (severe FIL). Applying predetermined sonographic textural
criteria, two experienced radiologists independently graded each ultrasound
study for the presence and severity of FIL. The overall accuracy of
ultrasonography in detecting FIL was 85 per cent, with 100 per cent
sensitivity and 56 per cent specificity. The sonographic/CT correlation in
grading the severity of FIL was particularly good for Grade 2 and Grade 3
FIL. Ultrasound is a sensitive and reasonably accurate diagnostic tool in
assessing fatty infiltration of the liver.
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