Diagnosis and management of choledochal cyst: 20 years of single center experience

Figure 1 Ultrasound imaging and abdominal computed tomography of type I choledochal cyst. A: Ultrasound imaging; B: Abdominal CT. CC: Choledochal cyst; GB: Gall bladder; CBD: Common bile duct; CT: Computed tomography.

Figure 2 Magnetic resonance cholangiopancreatography images of choledochal cyst. A: Type IV-A choledochal cyst with anomalous pancreaticobiliary duct junction (white arrow); B: Type I choledochal cyst with multiple stones inside (white arrow). IHB: Intrahepatic biliary radicals; CHD: Common hepatic duct; GB: Gall bladder; CBD: Common bile duct.

Figure 3 Anomalous pancreaticobiliary duct junction detected by cholangiography (white arrow). A: Percutaneous transhepatic cholangiography of type IV-A choledochal cyst; B: MRCP of type IV-A choledochal cyst. MRCP: Magnetic resonance cholangiopancreatography.

Figure 4 Surgical excision of choledochal cyst. A: Exposure of type IA choledochal cyst; B: Division of biliary system at the carina proximal to the cyst; C: The biliary system after excision of the cyst; D, E: Restoration of biliary continuity by hepaticojejunostomy; F: The specimen after complete excision of the cyst consisting of gall bladder (GB) and choledochal cyst (CC).