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Updated: May 24, 2026

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults
Published on: February 28, 2025
Chylous ascites caused by resection of a choledochal cyst
Tatsuzo Mizukami1, Tadao Okada, Shohei Honda
1Department of 1st Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan. t-mizukami@hotmail.co.jp
Insights
Chylous ascites is a rare complication following pediatric abdominal surgery. This case report highlights successful medical treatment using no fasting for a 10-month-old girl with chylous ascites after choledochal cyst resection.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Surgical Complications
Background:
- Chylous ascites is an uncommon complication after abdominal surgery in children.
- Postoperative chylous ascites, particularly after choledochal cyst resection, is exceptionally rare.
Observation:
- A 10-month-old female infant developed chylous ascites following a Roux-en-Y hepaticojejunostomy for choledochal cyst resection.
- The patient's condition was successfully managed with conservative medical therapy.
Findings:
- This case represents the first reported instance of chylous ascites after pediatric choledochal cyst resection treated solely with no fasting.
- No fasting emerged as a viable therapeutic option when the volume of chylous ascites was minimal.
Implications:
- No fasting may be a potential treatment strategy for pediatric postoperative chylous ascites after choledochal cyst surgery, especially in cases with low fluid output.
- This finding contributes to the limited literature on managing this rare surgical complication in infants.
Abstract:
Chylous ascites is a rare complication of abdominal surgery in children. Particularly, reports of postoperative chylous ascites are rare. This report describes the very rare case of a 10-month-old girl complicated by chylous ascites after resection of a choledochal cyst with a Roux-en-Y hepaticojejunostomy, who was successfully treated medically. To date, we have found a few cases of postoperative chylous ascites in the paediatric literature. To the best of our knowledge, this is the first report of chylous ascites after the resection of a choledochal cyst in a child who was successfully treated solely by no fasting. No fasting might be a therapeutic option of paediatric postoperative chylous ascites after the resection of a choledochal cyst if the outflow volume of chylous ascites is small.
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