Biliary atresia classification

Biliary atresia Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Classification

There are three main types of extrahepatic biliary atresia:-

• Type I: atresia restricted to the common bile duct.
• Type II: atresia of the common hepatic duct.
• Type III: atresia of the right and left hepatic duct.