Recurrence of extrahepatic biliary atresia in two half sibs

Abstract
Extrahepatic biliary atresia (EHBA) usually is a sporadic disorder. Familial cases, including occurrence in sibs and twins, have been reported. We report the first recurrence of EHBA in two half sibs born to a common father and unrelated mothers and suggest the possibility of gonadal mosaicism for a new dominant mutation.

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