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Definition Return to top
An annular pancreas is a ring of pancreatic tissue that abnormally encircles the duodenum (the part of the small intestine that connects to stomach).
Causes Return to top
Annular pancreas is thought to be caused by a malformation during the development of the pancreas, before birth. This condition may result in a narrowing of the duodenum due to squeezing by the ring of pancreas.
Complete obstruction of the duodenum is often seen in newborns with this condition. However, half of the cases occur in adults. There are probably many cases that go undetected due to mild symptoms.
There is an increased incidence of peptic ulcer associated with this condition. Annular pancreas affects approximately 1 in 7,000 people.
Symptoms Return to top
Exams and Tests Return to top
Signs that may indicate annular pancreas include the following:
Tests include:
Treatment Return to top
Surgical bypass of the blocked part of the duodenum is the usual treatment for this disorder.
Outlook (Prognosis) Return to top
There is a good prognosis with surgery.
Possible Complications Return to top
When to Contact a Medical Professional Return to top
Call for an appointment with your health care provider if you or your child develop any symptoms of annular pancreas.
Update Date: 10/13/2006 Updated by: Jenifer K. Lehrer, MD, Department of Gastroenterology, Frankford-Torresdale Hospital, Jefferson Health System, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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Page last updated: 25 September 2008 |