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Pathology - Pancreatic malformations
Ectopic pancreas is a common developmental defect that occurs when pancreatic tissue is placed outside of its normal position. • The duodenum is the most common location, but it can also be found in the jejunum, ileum, and Meckel's diverticulum • While most cases are unintentional, some patients may experience symptoms such as bleeding or blockage.

Pancreas Divisum • A common developmental abnormality in which the dorsal and ventral pancreatic buds fail to merge. • The Santorini duct becomes the pancreas' major ductal system. This duct drains into the duodenum via the minor papilla, leading to pancreatic secretory stasis and susceptibility to pancreatitis. It is typically asymptomatic and detected during imaging, however some patients may develop pancreatitis later in life.
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Annular pancreas • A rare developmental defect occurs when the dorsal and ventral pancreatic buds unite around the duodenum. • The ring of pancreas can cause obstruction to the duodenum. • Patients often arrive around 1 year of age with vomiting and abdominal distention after meals.


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