PMC8627307_01
Pre-operative view of abdomen.
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There were no collateral vessels, no periumbilical mass, and no palpable cervical lymphnodes (Figure 1).
CT scan showing the huge thin-walled, non-enhancing cystic mass rising from the right wall of common hepatic duct. (A) Shows intrahepatic duct dilatation. (B) Shows the cyst at the widest antero-posterior diameter. (C) Shows the distal end of the cyst.
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IVC, portal vein, pancreas, mesentery and bowel loops, outwards. Intrahepatic ducts are dilated and common bile duct (CBD) not visualized (Figure 2). 
Intraoperative views. (A) Shows the biliary cyst with the duodenum outstretched over it. (B) Shows the cyst with cystic duct and common hepatic duct dilatation.
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With the gall bladder notably dilated and cystic duct (CD) forming the superior-lateral border of the cyst, cholecystectomy was also done (Figures 3 and 4).
Intraoperative pictures of the huge choledochal cyst. (A) Cyst after being dissected and free of adjacent structures. (B) Intraoperative picture of the huge choledochal cyst being lifted after excision.
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With the gall bladder notably dilated and cystic duct (CD) forming the superior-lateral border of the cyst, cholecystectomy was also done (Figures 3 and 4).