Learn About Annular Pancreas

What is the definition of Annular Pancreas?

An annular pancreas is a ring of pancreatic tissue that encircles the duodenum (the first part of the small intestine). The normal position of the pancreas is next to, but not surrounding the duodenum.

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What are the causes of Annular Pancreas?

Annular pancreas is problem present at birth (congenital defect). Symptoms occur when the ring of pancreas squeezes and narrows the small intestine so that food cannot pass easily or at all.

Newborns may have symptoms of complete blockage of the intestine. However, up to one half of people with this condition do not have symptoms until adulthood. There are also cases that are not detected because the symptoms are mild.

Conditions that may be associated with annular pancreas include:

  • Down syndrome
  • Excess amniotic fluid during pregnancy (polyhydramnios)
  • Other congenital gastrointestinal problems
  • Pancreatitis
What are the symptoms of Annular Pancreas?

Newborns may not feed well. They may spit up more than normal, not drink enough breast milk or formula, and cry.

Adult symptoms may include:

  • Fullness after eating
  • Nausea or vomiting
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What are the current treatments for Annular Pancreas?

Treatment most often involves surgery to bypass the blocked part of the duodenum.

Who are the top Annular Pancreas Local Doctors?
Distinguished
Highly rated in
10
conditions

2-7 Daigaku Machi

Department Of General And Gastroenterological Surgery, Osaka Medical And Pharmaceutical University 
Takatsuki, JP 

Kazuhisa Uchiyama is in Takatsuki, Japan. Uchiyama is rated as a Distinguished expert by MediFind in the treatment of Annular Pancreas. They are also highly rated in 10 other conditions, according to our data. Their top areas of expertise are Annular Pancreas, Liver Cancer, Colorectal Cancer, and Gastrectomy.

Distinguished
Highly rated in
3
conditions

Polytechnic University Of Marche

Gastroenterology And Digestive Endoscopy Unit, Augusto Murri Hospital 
Fermo, IT 

Filippo Antonini is in Fermo, Italy. Antonini is rated as a Distinguished expert by MediFind in the treatment of Annular Pancreas. They are also highly rated in 3 other conditions, according to our data. Their top areas of expertise are Annular Pancreas, Pancreatic Cancer, Exocrine Pancreatic Insufficiency, and Hereditary Pancreatitis.

 
 
 
 
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Distinguished
Highly rated in
3
conditions

Seoul, KR 13571

Suk-bae Moon is in Seoul, Republic of Korea. Moon is rated as a Distinguished expert by MediFind in the treatment of Annular Pancreas. They are also highly rated in 3 other conditions, according to our data. Their top areas of expertise are Annular Pancreas, Appendicitis, Ileostomy, and Appendectomy.

What is the outlook (prognosis) for Annular Pancreas?

The outcome is most often good with surgery. Adults with an annular pancreas are at increased risk for pancreatic or biliary tract cancer.

What are the possible complications of Annular Pancreas?

Complications may include:

  • Obstructive jaundice
  • Pancreatic cancer
  • Pancreatitis (inflammation of the pancreas)
  • Peptic ulcer
  • Perforation (tearing a hole) of the intestine due to obstruction
  • Peritonitis
When should I contact a medical professional for Annular Pancreas?

Contact your health care provider if you or your child has any symptoms of annular pancreas.

Digestive system
Endocrine glands
Annular pancreas
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What are the Latest Advances for Annular Pancreas?
Surgical management of intraoperatively diagnosed portal annular pancreas: Two case reports.
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Who are the sources who wrote this article ?

Published Date: October 26, 2021
Published By: Michael M. Phillips, MD, Emeritus Professor of Medicine, The George Washington University School of Medicine, Washington, DC. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

What are the references for this article ?

Maqbool A, Bales C, Liacouras CA. Intestinal atresia, stenosis, and malrotation. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 356.

Mehta MS, Barth BA, Husain SZ. Anatomy, histology, embryology, and developmental anomalies of the pancreas. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management. 11th ed. Philadelphia, PA: Elsevier; 2021:chap 55.

Semrin MG. Anatomy, histology, and developmental anomalies of the stomach and duodenum. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management. 11th ed. Philadelphia, PA: Elsevier; 2021:chap 49.