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Updated: May 7, 2026

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults
Published on: February 28, 2025
Duodenal duplication with bile duct obstruction and keratinaceous casts
1Division Pediatric Surgery, Washington University School of Medicine and the St. Louis Children's Hospital, One Children's Place, 63110-1077, St. Louis, MO, USA.
Abstract:
We report an unusual case of duodenal duplication presenting in a newborn with duodenal and bile duct obstruction. The duplication and biliary tract were filled with keratinaceous casts. To our knowledge, such an association has not been previously reported; this case demonstrates the importance of confirming bile duct patency during operations to remove duodenal duplications.
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