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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The gold standard for the definitive diagnosis of the extrahepatic biliary atresia is
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The correct answer is  Biliary atresia Evaluation of biliary anatomy begins with ultrasound Other imaging modalities such as HIDA scintigraphy, MRCP and ERCP have been used with varying success Although these are useful adjuncts, liver biopsy is gold standard for the diagnosis of biliary atresia and can safely be done percutaneously under local anaesthesia Ref: Sabiston 20th edition Pgno : 639