Pediatric Radiology > Abdominal > Liver & Biliary > Choledochal Cyst

Choledochal Cyst

Four types of Choledocal Cysts
  • Jaundice, RUQ pain, palpable mass

  • Can present at any age; cause of prolonged jaundice in infancy

  • Congenital malformation of biliary duct

  • Aberrant insertion of pancreatic duct into the distal bile duct, reflux of pancreatic secretions damages forming bile duct

  • Increased risk of malignancy

  • Treatment: surgery
    Legion in common bile duct
    Large cystic lesion in location of common bile duct

    Nuclear medicine heptobiliary scan
    Nuclear medicine hepatobiliary scan demonstrates cystic dilatation of the common bile duct and dilatation of the intrahepatic bile ducts secondary to obstruction

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