Biliary atresia
Absence, blockage, or narrowing of bile ducts in the liver at birth
Biliary atresia
Biliary atresia, also known as extrahepatic ductopenia and progressive obliterative cholangiopathy, is a childhood disease of the liver in which one or more bile ducts are abnormally narrow, blocked, or absent. It can be congenital or acquired. Biliary atresia is the most common reason for pediatric liver transplantation in the United States. It has an incidence of one in 10,000–15,000 live births in the United States, and a prevalence of one in 16,700 in the British Isles. Globally, biliary atresia cases are most common in East Asia, with a frequency of one in 5,000. A cause of biliary atresia in Egyptian infants has been proven to be as a result of aflatoxin induced cholangiopathy acquired prenatally in infants who have glutathione S transferase M1 deficiency. The biliary atresia phenotype caused by congenital aflatoxicosis in GST M1 deficient neonates is named Kotb disease. Syndromic biliary atresia (e.g. Biliary Atresia Splenic Malformation (BASM)) has been associated with certain...
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