Pancreas


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Common Types of Pancreas Diseases and Treatment

Pancreatitis is an inflammation of the pancreas. It is often associated with early activation of digestive enzymes in the cells and ducts of the exocrine pancreas, instead of in the duodenum, that start "digesting" (destroying the tissues of) the pancreas itself. It usually presents with abdominal pain and can cause nausea and vomiting.

  • Acute pancreatitis may be a single or a recurring event, and it usually occurs suddenly. The abdominal pain with acute pancreatitis is often severe. Secretions can back up in the pancreas and cause permanent damage in just a few hours. Acute pancreatitis often presents with raised levels of pancreatic enzymes in the blood. These enzymes can circulate to other body organs, causing shock and organ failure. Acute pancreatitis can lead to internal bleeding and infection and can be life-threatening. The most common cause of acute pancreatitis is blockage of the pancreatic duct (obstruction), usually due to gallstones and sometimes due to particles (sometimes tiny gallstones) in bilethat have precipitated (biliary sludge). Because these pass through the bile duct, they may cause blockage of the common duct through which both biliary and pancreatic secretions pass into the duodenum. Other causes may include alcohol excess, smoking, physical trauma to the abdomen, exceedingly high blood triglyceride level, and high blood calcium level.
  • Chronic pancreatitis is characterized by chronic or persistent abdominal pain and may or may not present with raised pancreatic enzymes. It develops gradually, often results in slow destruction of the pancreas, and can lead to other problems, such as pancreatic insufficiency(see below), bacterial infections, and type 2 diabetes. The main causes of chronic pancreatitis are gallbladder disease (ductal obstruction) and genetic risks, which are increased by modifying factors such as alcoholism. Other causes include high blood calcium level and very, very high triglyceride level, some drugs, and autoimmune conditions. Hereditary chronic pancreatitis results from mutations that affect the secretion of digestive enzymes, such as cystic fibrosis, or mutations that result from cellular changes brought on by inflammatory signals associated with repeated acute or chronic pancreatitis.

Pancreatic Cancer is the fourth leading cause of cancer death in the United States, killing more than 39,000 people a year. Risks include smoking, age, sex (more common in men), chronic pancreatitis, and exposure to some industrial chemicals. About 95% of pancreatic cancers develop in the exocrine tissues. Pancreatic cancer is very difficult to detect in the early stages because symptoms are either absent or nonspecific: abdominal pain, pruritus, nausea, loss of appetite, and sometimes jaundice. Tumors near the head section that block flow to the intestine may be detected earlier. Only about 10% of the cancers are still contained within the pancreas at the time of diagnosis, which makes effective treatment very difficult. Additionally, pancreatic cancer does not respond well to current treatments. A variety of clinical studies and research efforts are being conducted on an ongoing basis to discover more effective methods. Cancer of the pancreas may cause damage to the pancreas, leading to EPI. Pancreatic cancer is sometimes treated with a pancreatectomy.

Pancreatic Insufficiency is not a primary disorder but is secondary to the other causes of pancreatic disease. It is the inability of the pancreas to produce and/or transport enough digestive enzymes to break down food in the intestine. It typically occurs as a result of progressive pancreatic damage, damage that may be caused by a variety of conditions. It is most frequently associated with cystic fibrosis in children and with chronic pancreatitis in adults; it is less frequently but sometimes associated with pancreatic cancer and other diseases that are considered to be "non-pancreatic causes" of insufficiency.

Pancreatectomy is the medical term for the surgical removal of the pancreas. The surgery may involve removal of the entire pancreas (total pancreatectomy) or only a portion of the pancreas (partial pancreatectomy). A pancreatectomy can be performed as a treatment for pancreatic cancer, pancreatic tumors (pre-malignant), chronic pancreatitis, or when the pancreas has been severely damaged by injury. Removing part of or the entire pancreas may cause a loss of pancreatic digestive enzyme production, leading to EPI. 

Pancreatic Transplant is an organ transplant that involves implanting a healthy pancreas (one that produces insulin) into a person whose pancreas no longer can supply sufficient insulin to the body. The healthy pancreas comes from either a deceased donor, or in the form of a partial pancreas from a living donor. A pancreas transplant offers a potential cure for type 1 or insulin-dependent diabetes.  A successful pancreas transplant will eliminate the need for insulin injections, reduce or eliminate dietary and activity restrictions due to diabetes, and decrease or eliminate the risk of severe low blood sugar reactions. A pancreas transplant can also help manage the damage to other organs including the kidneys that may result from Type 1 diabetes.


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