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Obstructive pancreatitis due to mucus produced by metaplastic choledochal cyst epithelium

      Acute pancreatitis is a frequent complication of choledochal cysts, whereas the recurrence of pancreatitis after excision of the cyst is uncommon. Recurrent pancreatitis is thought to be related to protein plugs or stone migration into the common biliopancreatic duct or pancreatic duct. This is the case of a woman presenting with acute pancreatitis 8 years after partial cyst excision due to mucin secretion by metaplastic epithelium in the choledochal cyst remnant.
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