MDCT of biliary cysts in children with biliary atresia: clinical associations and pathologic correlations
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Pediatric Radiology - Original Article
P: 200-206
September 2009

MDCT of biliary cysts in children with biliary atresia: clinical associations and pathologic correlations

Diagn Interv Radiol 2009;15(3):200-206
1. Department of Radiology, Başkent University School of Medicine, Ankara, Turkey
2. Department of Radiology, Başkent University School of Medicine, Ankara, Turkey
3. Departments of Pathology, Başkent University School of Medicine, Ankara, Turkey
4. Departments of Public Health, Başkent University School of Medicine, Ankara, Turkey
5. Departments of Radiology, Başkent University School of Medicine, Ankara, Turkey
No information available.
No information available
Received Date: 27.08.2008
Accepted Date: 21.12.2008
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ABSTRACT

PURPOSE

To evaluate the association of biliary cyst formation with cholangitis, portoenterostomy, biochemical abnormalities, using multidetector computed tomography (MDCT) and pathologic findings of end-stage liver disease.

MATERIALS AND METHODS

We retrospectively reviewed the 42 MCDT studies, clinical history and laboratory findings of 36 children with biliary atresia.

RESULTS

Biliary cysts were detected in 58% of the patients on MDCT images. The cysts were not associated with cholangitis, portoenterostomy surgery, or biochemical abnormality. Hepatic artery anomaly was also common in our series (25%) and more common in patients with biliary cysts which was statistically significant (P < 0.05). Eighteen livers were available for pathologic examination. The only statistically significant finding between the patients with and without biliary cysts were biliary epithelial damage and inflammatory reaction around the cysts which were common in the patients with biliary cysts (P < 0.05).

CONCLUSION

The damage to the bile duct epithelium and inflammatory reaction around the biliary epithelium support the theory of obstruction and bile leaks in the etiogenesis of biliary cysts. This is the first report of the association between hepatic artery variations and the biliary cysts; this may be important in pretransplant evaluation.