Accessory pancreas is a rare congenital anomaly in which an additional, small pancreas is present in the abdomen. It is usually located near the duodenum, the first part of the small intestine. Accessory pancreas is usually asymptomatic and is often discovered incidentally during imaging tests or surgery. Treatment is usually not necessary, but if the accessory pancreas is causing symptoms, it may be surgically removed.

The symptoms of Accessory pancreas can vary depending on the size and location of the accessory pancreas. Common symptoms include abdominal pain, nausea, vomiting, and diarrhea. Other symptoms may include weight loss, jaundice, and pancreatitis.

The exact cause of accessory pancreas is unknown. However, it is believed to be related to abnormal development of the pancreas during fetal development. It is thought to be caused by a combination of genetic and environmental factors.

The treatment for accessory pancreas depends on the size and location of the accessory pancreas. If the accessory pancreas is small and not causing any symptoms, then no treatment is necessary. However, if the accessory pancreas is large and causing symptoms, then surgery may be necessary to remove it. In some cases, medications may be prescribed to help manage symptoms.

The risk factors for Accessory pancreas include:

1. Family history of Accessory pancreas
2. Abnormalities in the digestive tract
3. Congenital malformations
4. Certain genetic syndromes
5. Certain medications
6. Radiation exposure
7. Chronic pancreatitis
8. Diabetes

There is no cure for accessory pancreas, but medications can be used to manage symptoms. These medications may include antacids, proton pump inhibitors, and H2 blockers. Surgery may also be recommended in some cases.