What is a choledochal cyst?
Congenital dilatation of any part of the biliary tract, commonly the CBD
What is the most common cause of choledochal cysts?
Anomalous pancreaticobiliary junction (APBJ)
What is the classic triad of choledochal cysts?
Abdominal pain, jaundice, and palpable mass
What age group commonly presents with CCs?
Infants <12 months with jaundice, acholic stools, vomiting
What is the initial imaging modality for CC?
Ultrasound
Which imaging has highest accuracy for choledochal cysts?
MRCP
What imaging differentiates CC from BA in neonates?
Technetium-99 HIDA scan
What is the definitive treatment of CC?
Surgical excision with bilioenteric anastomosis (Roux-en-Y hepaticojejunostomy)
What are common complications of CC?
Malignancy, stricture, ascending cholangitis, stone formation
