Background: Intraluminal duodenal diverticulum is a rare congenital anomaly. First described by Boyd in 1845, no more than 100 cases have been reported up to now: only 17 are associated with acute pancreatitis. Methods: A new case of intraluminal duodenal diverticulum with acute pancreatitis is reported and the literature about this association reviewed. Results: The diagnosis was made by helical CT scan. The pathogenesis of pancreatitis was possibly due to a pure duodenal content reflux through the papilla of Vater. The patient was successfully treated by surgery. Conclusions: Intraluminal duodenal diverticulum is a rare but curable cause of pancreatitis, usually affecting young people. We describe, for the first time, its unusual helical CT imaging with two-dimensional reformations.
The results indicate poor compliance with published guidelines. In severe pancreatitis, early surgical intervention is frequently performed and enteral feeding is seldom used. Only a small number of patients with mild biliary pancreatitis undergo definitive treatment (i.e. cholecystectomy) within 4 weeks of the onset of pancreatitis.
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