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Spontaneous perforation of choledochal cyst
1Department of Surgery, Branch Hospital, University of Nagoya School of Medicine, Japan.
Journal of the American College of Surgeons
|August 1, 1995
Summary
Spontaneous common bile duct perforation in children, often linked to choledochal cysts, may result from protein plugs obstructing the pancreaticobiliary junction. This obstruction causes increased pressure, leading to bile duct perforation.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Biliary Tract Diseases
Background:
- Spontaneous common bile duct perforation in children is a rare condition with unknown etiology.
- This study focuses on five pediatric cases involving spontaneous perforation of a choledochal cyst.
Purpose of the Study:
- To describe patients treated for spontaneous perforation of a choledochal cyst.
- To identify key factors contributing to bile duct perforation in pediatric patients.
Main Methods:
- Initial treatment involved T-tube drainage at the perforation site.
- Intraoperative cholangiography via T-tube and histological examination of the perforated bile duct wall were performed.
- Postoperative T-tube irrigation facilitated bile flow into the duodenum.
Main Results:
- Cholangiography revealed pancreaticobiliary junction malformation and protein plugs in the common channel in all patients.
- Histological examination showed granulation tissue limited to the perforation area.
- Successful bile flow to the duodenum was achieved postoperatively with T-tube irrigation.
Conclusions:
- Bile duct perforation is associated with increased intraluminal pressure.
- Obstruction by protein plugs within the common channel is a primary cause of this pressure increase.
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