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Updated: Jan 22, 2026
04:14
Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults
Published on: February 28, 2025
742
Association between gallbladder agenesis and choledochal cyst: cause or coincidence?
Belén Aneiros Castro1, Indalecio Cano Novillo2, Araceli García Vázquez2
1Pediatric Surgery, Hospital Álvaro Cunqueiro, Vigo, Spain.
BMJ Case Reports
|June 29, 2019
Summary
This case report details a rare co-occurrence of gallbladder agenesis and a choledochal cyst (CC) in a pediatric patient. Surgical intervention confirmed the diagnosis, ruling out malignancy in this unique biliary anomaly case.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Congenital Biliary Anomalies
Background:
- Gallbladder agenesis is a rare congenital anomaly.
- Choledochal cysts (CC) are congenital dilatations of the bile ducts.
- The simultaneous occurrence of these two conditions is exceptionally uncommon.
Observation:
- A 9-year-old girl presented with recurrent right upper quadrant abdominal pain.
- Radiological imaging identified a Type IVa choledochal cyst and absence of the gallbladder and cystic duct.
- The patient underwent surgical management due to concerns for biliary neoplasm.
Findings:
- The surgical procedure involved cyst resection and hepaticoduodenostomy.
- Histopathological examination revealed inflamed fibrous tissue lined by biliary epithelium.
- No evidence of malignancy was detected in the resected tissue.
Implications:
- This case highlights an extremely rare association between gallbladder agenesis and choledochal cysts.
- It underscores the importance of thorough diagnostic evaluation in pediatric patients with biliary anomalies.
- Management strategies should consider the potential for malignancy, even in rare co-occurrences.
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