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Journal of Ultrasound in Medicine, Vol 17, Issue 1 9-15, Copyright © 1998 by American Institute of Ultrasound in Medicine

JOURNAL ARTICLE

Vasculature in hepatocellular carcinoma after transcatheter arterial chemoembolization: comparison of power and color Doppler sonography

D. E. Kim, P. N. Kim, H. J. Lee, B. S. Shin, J. S. Kwon, J. K. Kim, M. G. Lee, K. B. Sung, Y. K. Jeong, H. K. Ha and Y. H. Auh
Department of Diagnostic Radiology, Asan Medical Center, University of Ulsan, Seoul, Korea.

The purpose of this study was to compare power Doppler sonography with conventional color Doppler sonography for the detection of the vascularity of hepatocellular carcinomas after transcatheter arterial chemoembolization. Of the 93 embolized hepatocellular carcinomas, hypervascularity was demonstrated in 36 on angiography; power Doppler sonography correctly identified pulsatile flow signals in 33 (92%) of these 36, whereas color Doppler sonography identified flow signals in 24 (67%). A statistically significant difference was noted when the sizes of the nodules were 30 mm or less. Despite technical difficulties, such as flash artifact, power Doppler sonography is superior to color Doppler sonography for detection of hypervascularity, especially in small embolized nodules of hepatocellular carcinoma (30 mm or less in diameter).


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H. J. Kim, T. K. Kim, P. N. Kim, A. Y. Kim, E. Y. Ko, K. W. Kim, K.-B. Sung, H. K. Ha, H. C. Kim, and M.-G. Lee
Assessment of the Therapeutic Response of Hepatocellular Carcinoma Treated With Transcatheter Arterial Chemoembolization: Comparison of Contrast-Enhanced Sonography and 3-Phase Computed Tomography
J. Ultrasound Med., April 1, 2006; 25(4): 477 - 486.
[Abstract] [Full Text] [PDF]


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Copyright © 1998 by the American Institute of Ultrasound in Medicine.