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Congenital anomalies

Pancreas divisum

Reviewer: Deepali Jain, M.D. (see Reviewers page)
Revised: 22 November 2012, last major update August 2012
Copyright: (c) 2001-2012, PathologyOutlines.com, Inc.


● Most common congenital anomaly of the pancreas (3-10% of population); most patients are asymptomatic
● Incomplete fusion of dorsal and ventral pancreatic buds / ducts causes separation of ventral and dorsal pancreas as a double pancreas
● Two ductal systems drain separately to two duodenal papillae; may cause isolated dorsal or ventral pancreatitis (25%)
● Not a risk factor for acute pancreatitis (Curr Gastroenterol Rep 2011;13:150), but may be risk factor for recurrent acute pancreatitis
● Duct of Santorini provides main drainage
● Diagnose by imaging studies such as ERCP


Complete and incomplete pancreatic divisum

Various images

End of Pancreas > Congenital anomalies > Pancreas divisum

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