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Published online before print February 19, 2003, 10.1148/radiol.2272020193
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Severe Liver Fibrosis or Cirrhosis: Accuracy of US for Detection—Analysis of 300 Cases1

Agostino Colli, MD, Mirella Fraquelli, MD, PhD, Marco Andreoletti, MD, Barbara Marino, MD, Enrico Zuccoli, MD and Dario Conte, MD

1 From the Department of Internal Medicine, Ospedale A. Manzoni, Lecco, Italy (A.C., M.A., E.Z.); and Postgraduate School of Gastroenterology, IRCCS Ospedale Maggiore, Padiglione Granelli 3° piano, Via F. Sforza 35, 20122 Milan, Italy (M.F., B.M., D.C.). Received April 2, 2002; revision requested June 5; revision received June 13; accepted July 25. Supported by Associazione Amici della Gastroenterologia del Granelli (AAGG), CARIPLO Foundation, and Research Competition Award 2000 from IRCCS Ospedale Maggiore, Milan, Italy. Address correspondence to D.C. (e-mail: dario.conte@unimi.it).



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  		Figure 1. Gray-scale US scans obtained with 5-12-MHz transducer. A, Normal pattern: linear liver surface (arrow) with normal homogeneous parenchyma. B, Liver surface nodularity: Liver surface appears as a dotted or irregular line (large arrow), and liver parenchyma shows areas of different echogenicity (small arrows), reflecting underlying nodularity. C, Linear liver surface nodularity (large arrow): Liver parenchyma shows areas of different echogenicity (small arrows), reflecting underlying nodularity.

 


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  		Figure 2. Duplex Doppler US scans show three hepatic venous waveforms. A, Type 0 flow: normal triphasic pattern. B, Type 1 flow: biphasic pattern with reduced amplitude of phasic oscillation without flow inversion. C, Type 2 flow: monophasic pattern with completely flattened wave.

 




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