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Budd-Chiari syndrome: detection with color Doppler sonography
P W Ralls1, M B Johnson, D R Radin
1Department of Radiology, University of Southern California School of Medicine, Los Angeles 90033.
Insights
Color Doppler sonography effectively evaluates Budd-Chiari syndrome by identifying abnormal hepatic veins and collateral vessels. This imaging technique offers a more reliable diagnosis than conventional methods for this condition.
Area of Science:
- Medical Imaging
- Hepatology
- Vascular Ultrasound
Background:
- Budd-Chiari syndrome is a rare condition caused by obstruction of hepatic venous outflow.
- Accurate diagnosis and evaluation are crucial for effective management.
Purpose of the Study:
- To assess the diagnostic value of color Doppler sonography in newly diagnosed Budd-Chiari syndrome.
- To compare the efficacy of color Doppler sonography with conventional sonography.
Main Methods:
- Retrospective analysis of five patients with newly diagnosed Budd-Chiari syndrome.
- Evaluation of hepatic venous abnormalities and collateral formation using color Doppler sonography.
- Comparison with conventional sonography and other imaging modalities.
Main Results:
- Color Doppler sonography identified various hepatic venous abnormalities including narrowing, tortuosity, flow reversal, and absence.
- Collateral pathways such as hepatic venous to hepatic venous, hepatic venous to subcapsular systemic venous, and portosystemic were detected.
- Abnormal hepatic veins and collateral vessels were visualized more reliably than with conventional sonography.
Conclusions:
- Color Doppler sonography is a valuable tool for the initial diagnosis and comprehensive evaluation of Budd-Chiari syndrome.
- It enhances the detection of hepatic venous abnormalities and collateral circulation.
- This technique improves diagnostic confidence and identifies findings missed by conventional imaging.
Abstract:
The value of color Doppler sonography in evaluating newly diagnosed Budd-Chiari syndrome in five patients was studied. Hepatic venous findings included absence of vessels (one patient), flow reversal (two patients), narrowing (four patients), and tortuosity (three patients). Detected collaterals included hepatic venous to hepatic venous (four patients), hepatic venous to subcapsular systemic venous (two patients), and portosystemic (three patients). Hepatic venous spectral Doppler waveforms were flat and essentially aphasic in four patients, indicative of distal hepatic venous compression. The inferior vena cava was markedly compressed in two patients and slightly compressed in one. Color Doppler sonography allowed more reliable and confident identification of irregular, compressed, or otherwise abnormal hepatic veins than did conventional sonography. Color Doppler sonography also showed collateral vessels that were undetected with conventional sonography or other imaging techniques. Our results suggest that color Doppler sonography may be a valuable tool in the initial diagnosis and evaluation of suspected Budd-Chiari syndrome.
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