Hereditary pancreatitis

Hereditary pancreatitis is a genetic condition characterized by recurrent episodes of inflammation of the pancreas (pancreatitis). The pancreas is a large gland behind the stomach and close to the first part of the small intestine. It secretes digestive juices into the small intestine through a tube called the pancreatic duct. The pancreas also releases the hormones insulin and glucagon into the bloodstream.

Symptoms

The symptoms of hereditary pancreatitis begin in childhood with episodes of acute pancreatitis, which can last from a few days to several weeks. These episodes become more frequent and severe over time, leading to chronic pancreatitis. Chronic pancreatitis causes abdominal pain, nausea, and vomiting. Over time, it can lead to diabetes and digestive problems.

Causes

Hereditary pancreatitis is caused by mutations in the PRSS1 gene. This gene provides instructions for making an enzyme called cationic trypsinogen, which is produced in the pancreas and helps digest food. Mutations in the PRSS1 gene increase the activity of this enzyme, leading to damage and inflammation in the pancreas.

Diagnosis

Diagnosis of hereditary pancreatitis is based on a family history of the disease and genetic testing to identify mutations in the PRSS1 gene. Other tests may include imaging studies of the pancreas and blood tests to measure levels of pancreatic enzymes.

Treatment

Treatment for hereditary pancreatitis focuses on managing symptoms and preventing complications. This may include pain management, dietary changes, enzyme supplements, and in some cases, surgery.

See also

• Pancreatitis
• PRSS1
• Genetic testing

References

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