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  • Title: Hepatolithiasis after hepatic portoenterostomy for biliary atresia.
    Author: Tainaka T, Kaneko K, Seo T, Ono Y, Ogura Y, Wada H, Shirota C, Ando H.
    Journal: J Pediatr Surg; 2006 Apr; 41(4):808-11. PubMed ID: 16567198.
    Abstract:
    BACKGROUND: Hepatolithiasis after hepatic portoenterostomy for biliary atresia has been paid little attention, with only 22 reported cases. PATIENTS AND METHODS: Fifteen patients underwent living-related liver transplantation for biliary atresia after hepatic portoenterostomy in our hospital between 1998 and 2004. The resected livers were examined for the existence and location of hepatolithiasis, composition of the calculi, and bacterial infection of bile. The relation between a history of cholangitis and the presence of hepatolithiasis was analyzed. RESULTS: Intrahepatic calculi were found in 8 (53%) of 15 patients. The calculi consisted of almost 100% calcium bilirubinate. Calculi were found in bile lakes in 8 patients. Bacteria were present in the bile in 8 (53%) of the 15 patients. Of the 8 patients, 7 (88%) had a history of ascending cholangitis. CONCLUSIONS: Hepatolithiasis occurs after hepatic portoenterostomy for biliary atresia more frequently than previously thought. Bile stasis and possibly bile infection are the main causes of calculi formation.
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