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Dig Surg. 2010;27(2):105-9. doi: 10.1159/000286520. Epub 2010 Jun 10.

Juxtapapillary duodenal diverticula and pancreatobiliary disease.

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Tokyo Metropolitan Komagome Hospital, Tokyo, Japan. naoto @


Juxtapapillary duodenal diverticula (JPD) are observed in around 10-20% of patients undergoing endoscopic retrograde cholangiopancreatography (ERCP). They are acquired extraluminal outpouchings of the duodenal wall through 'locus minoris resistance' and their incidence increases with age. They have been studied mainly with regard to their association with pancreatobiliary disease. Choledocholithiasis is considered to be strongly associated with JPD, but the role of JPD in the development of cholecystolithiasis and pancreatitis is still disputable. Since JPD are located in the vicinity of the papilla of Vater, they not only cause mechanical compression of the bile duct but also induce dysfunction of the sphincter of Oddi. They are considered to lead to bile stasis and to allow reflux from the duodenum into the bile duct, which results in an ascending infection of beta-glucuronidase-producing bacteria. The ERCP procedure can be hampered by JPD, although recent papers have reported no difference in the successful cannulation rate or complications between patients with JPD and those without JPD. Disorders caused by JPD are amenable to appropriate therapy, e.g. endoscopic sphincterotomy and surgical intervention.

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