Choledochal cyst

Case contributed by Bruno Di Muzio
Diagnosis probable


Longstanding history of abdominal pain, nausea and post-prandial discomfort. On physical examination surgeon palpated an abdominal epigastric mass. No jaundice.

Patient Data

Age: 45 years
Gender: Female

US shows a cyst mass near the pancreatic head. 

1- splenic vein; 2- portal vein; 3 - cystic mass; 4 - Superior mesenteric artery; 

Tortuous cystic duct that joins the gallbladder to the cystic mass (1 to 4).




Case Discussion

Ultrasound study shows a cystic mass between the pancreatic head and the gallbladder. Smooth wall and homogeneous anechoic content were detected.

The study is compatible with dilatation of entire extrahepatic bile duct, that's also known as a true choledochal cyst. Is the type 1 of Todani classification of bile duct cysts.

Unfortunately, no further imaging was made available for correlation with the ultrasound findings. 

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