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Pancreatic cancer

Pancreas

Adenocarcinoma of the ductal type, which originates from exocrine gland tissue, is the most common type of pancreatic cancer and constitutes > 90% of all tumors. Adenocarcinomas in the body and tail are less common than in the head and constitute 25-30% of the total amount.

Endocrine tumors can occur in all parts of the pancreas, but are most common in the body and tail and consitutes 1-2% of all pancreatic tumors. They are separated into functioning and non-functioning tumors, depending on whether the patient has symptoms of hormonal hyperfunction or not.

The pancreas is divided into head of the pancreas, which is closest to the duodenum, the body and tail, as well as a network of ducts.

The pancreas consists of two types of gland tissue:

  • exocrine, which excretes digestive enzymes to the bowel 
  • endocrine, which excretes hormones to the blood system    

Incidence

In Norway, in 2013 there where 732 new cases of pancreatic cancer. The incidence increases greatly with age. Among the population beyond 80 years, 1 in 1,000 will develop the disease annually.

 

Age-specific incidence of pancreatic cancer, 2009–2013.

Source: Cancer Registry of Norway

 

 

Incidence of cancer of pancreatic cancer, 1954–2013.

Source: Cancer Registry of Norway

 

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