Presentation
Obstructive jaundice.
Patient Data
Age: 80 years
Gender: Male
From the case:
Double duct sign
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Info
There is a mass in the region of the head of pancreas causing simultaneous marked dilatation of the common bile duct and the pancreatic duct (double duct sign). There is also marked dilatation of the common hepatic duct and the intrahepatic ducts.
Note the bilateral cortical renal cysts.
Case Discussion
Double duct sign is the presence of simultaneous dilatation of the common bile and pancreatic ducts. The common causes are pancreatic head masses and ampullary masses, though it may occasionally be caused by stones. This case demonstrates the double duct sign secondary to pancreatic adenocarcinoma (tissue biopsy confirmed). The CA 19-9 was markedly elevated.
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