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Non Syndromic Paucity of Interlobular Bile Ducts in Children - A Clinicopathological Study
Suravi Mohanty1, Kanishka Das2, Marjorie Maria Anne Correa1
1Department of Pathology, St. John's Medical College, Bangalore, India.
Abstract:
Background: Non syndromic paucity of interlobular bile ducts (NS-PILBD) constitutes a miniscule of infantile cholestasis. Method: Clinical details, investigations, surgical findings, management and outcome of cases of NS-PILBD at liver biopsy were analyzed. Specific histopathological features including bile duct to portal tract ratio were studied. Results: Eighteen cases (1993-2013) are detailed. Clinical presentation and investigations were similar to biliary atresia. Hepatic scintigraphy showed no gut excretion in 13/18 and operative cholangiogram was normal in all. Liver biopsy showed a median Scheuer fibrosis stage of 2, the mean bile duct/portal tract ratio was 0.29. The average age at last follow up of twelve cases was 54.9 months . Ten were asymptomatic and anicteric, the liver function tests had normalized over 3-15 months. Conclusion: Histopathology differentiated NS-PILBD from other causes of infantile cholestasis .The idiopathic form generally had a favorable long term outcome with medical management.
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