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  • Title: A histopathological study of liver and biliary remnants in the long-term survivors (>10 years) of cases of biliary atresia.
    Author: Mukhopadhyay SG, Roy P, Chatterjee U, Datta C, Banerjee M, Banerjee S, Basu AK, Ganguli M.
    Journal: Indian J Pathol Microbiol; 2014; 57(3):380-5. PubMed ID: 25118727.
    Abstract:
    CONTEXT: Biliary atresia (BA) is a destructive process affecting both extra- and intra-hepatic bile ducts leading to fibrosis and obliteration of the biliary tree and cirrhosis usually within 2 years. Factors influencing the outcome of portoenterostomy (PE) have not been clearly defined. AIMS: Our aim was to identify children with no evidence of liver disease 10 years or more after PE and to compare the pathology of liver and biliary remnants in this group with those associated with poor outcome. SETTINGS AND DESIGN: Prospective observational study. MATERIALS AND METHODS: Wedge biopsies of liver and portal remnants, taken at the time of PE, where available, were reviewed. The parameters studied were - presence of large bile ducts (>150 μ), degree of fibrosis and bile duct proliferation (BDP), presence of ductal plate malformation (DPM) and age at operation. STATISTICAL ANALYSIS USED: Fisher's exact test with Freeman Halton extension for univariate analysis and Logistic regression analysis as multivariate analysis. RESULTS: Of 68 cases operated between 1995 and 2001, 14 patients survived >10 years and 54 were associated with poor outcome. Large ducts were significantly more in survivors (70% vs. 26%, P = 0.02). DPM was not seen in any of the survivors and was present in 24% of poor outcome group. Fibrosis and BDP were also significantly less among the survivors (P < 0.001, P = 0.03, respectively). The mean ages at operation in the two groups were 66.8 and 89.6 days, respectively. CONCLUSION: From this study, we feel that lower degree of fibrosis and BDP, absence of DPM, presence of large ducts and younger age at operation were associated with better long-term outcome. Of these, degree of fibrosis was the most significant factor.
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