Congenital bile duct dilatation is the most common congenital biliary malformation, predominantly occurring in Eastern countries, with a female-to-male ratio of approximately 4:1. The {|###|}cause of this disease is currently unclear, and the main theories include

1. biliary dysplasia;
2. pancreaticobiliary maljunction;
3. viral infection.

bubble_chart Clinical Manifestations

1. abdominal pain, jaundice, abdominal mass, "the triad of main symptoms";
2. a cystic mass palpable in the right upper abdomen.

bubble_chart Diagnosis

1. abdominal pain, jaundice, abdominal mass, "three main symptoms";
2. abnormal liver function, increased direct bilirubin, elevated jaundice index;
3. B-ultrasound examination revealed choledochal cyst;
4. CT examination revealed choledochal cyst;
5. ECT examination revealed choledochal cyst.

bubble_chart Treatment Measures

Generally, pediatric patients undergo cyst excision and Roux-Y jejunojejunostomy. In cases complicated by acute suppurative cholangitis, liver failure, or cyst rupture, presenting with abdominal distension and fullness, external drainage of the cyst is performed.

Congenital biliary dilatation is a congenital malformation that does not respond to drug therapy. Patients should seek treatment at well-equipped specialized hospitals, and surgical intervention may be necessary during seasonal epidemics.

bubble_chart Cure Criteria

1. Cure: Symptoms disappear.
2. Improvement: Symptoms alleviate.
3. No cure: No change.