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Surgery is a common treatment for pancreatic cancer. The type of surgery you have depends mainly on the size and location of the tumour, whether the cancer has spread and if the doctor thinks the tumour can be completely removed.
Surgery may be done for different reasons. You may have surgery to:
Even with the advanced tests that doctors use to diagnose pancreatic cancer, they can’t always tell the stage of the cancer until they do surgery. Based on imaging tests, they may think that a tumour can be removed with surgery (is resectable). But they may find out during surgery that the tumour can’t be removed (is unresectable) or that the cancer has spread, or metastasized.
If doctors determine that the tumour is unresectable or they find metastasis, they may do palliative surgery. This type of surgery is used to relieve pain or to treat or prevent symptoms caused by a blockage in the common bile duct or duodenum (first part of the small intestine).
The following types of surgery are used to treat pancreatic cancer or relieve symptoms of advanced cancer. You may also have other treatments before or after surgery.
The Whipple procedure (also called pancreaticoduodenectomy) is the most common surgery for pancreatic cancer. It is used to remove tumours in the head of the pancreas or in the opening of the pancreatic duct. This surgery removes:
After removing these organs, the surgeon attaches the remaining end of the stomach to the jejunum (called gastrojejunostomy). The rest of the common bile duct and pancreas are also attached to the jejunum so bile and pancreatic juices can flow into the jejunum. These juices help to neutralize stomach acid and lower the risk of an ulcer in the area.
Find out more about the Whipple procedure.
The modified Whipple procedure is also called pylorus-preserving pancreaticoduodenectomy. It removes all of the same organs as the Whipple procedure except for the pylorus.
After removing these organs, the surgeon attaches the part of the remaining duodenum that is attached to the stomach to the jejunum (called duodenojejunostomy). The rest of the common bile duct and pancreas are also attached to the jejunum so bile and pancreatic juices can flow into the jejunum.
This surgery doesn’t remove any of the stomach, so it can still work normally. People who have the modified Whipple procedure don’t have the nutrition problems that can develop after the Whipple procedure.
Surgeons can only use the modified Whipple procedure if:
Find out more about the modified Whipple procedure.
A distal pancreatectomy may be done for a tumour in the body or tail of the pancreas. This surgery removes the tail of the pancreas, or the tail and part of the body of the pancreas, and nearby lymph nodes. The spleen is only removed if the tumour has grown into the spleen or blood vessels supplying the spleen. The head of the pancreas remains joined to the duodenum.
A total pancreatectomy is rarely done. Doctors may consider using this surgery if the cancer has spread through the entire pancreas, if cancer is found in many areas of the pancreas or if the pancreas can’t be safely connected to the small intestine.
This surgery removes all of the pancreas, the duodenum (the first part of the small intestine), the pylorus (the lower part of the stomach that attaches to the duodenum), part of the common bile duct, the gallbladder, sometimes the spleen and nearby lymph nodes.
After removing these organs, the surgeon attaches the remaining end of the stomach to the jejunum (called gastrojejunostomy). The rest of the common bile duct is also attached to the jejunum so bile can flow into the jejunum.
Because the entire pancreas is removed, people who have this surgery will have diabetes and will need to take insulin. The diabetes is often difficult to control.
The pancreas normally makes enzymes that help you digest food. People who have a total pancreatectomy will have to take enzyme replacements for the rest of their lives.
Palliative surgery may be used to relieve symptoms of unresectable (locally advanced or metastatic) or recurrent pancreatic cancer.
Tumours in the head of the pancreas often block the common bile duct or the duodenum. Palliative surgery may be done to relieve symptoms of a blockage.
Stent placement is the most common way to relieve a blockage caused by a pancreatic tumour. A stent is a thin, hollow tube that is usually made of metal. It is placed into a bile duct and keeps it open by putting pressure on the walls of the duct from the inside. With a stent in place, bile can drain into the small intestine as it normally would.
A stent is usually placed into the bile duct during an endoscopic retrograde cholangiopancreatography (ERCP). This is called endoscopic stent placement. In some cases, doctors will make a cut (incision) through the skin to place the stent in the bile duct (called percutaneous method). When this is done, the bile drains into a bag outside the body.
A stent can get blocked after it is in place. The stent may need to be replaced every 3–4 months, or even more often. Newer types of stents are wider and expandable. They are being used to help keep the bile duct open longer.
In general, endoscopic stent placement has replaced surgical bypass procedures. But a surgical bypass may still be done to relieve a blockage caused by a pancreatic tumour in some cases.
The type of surgical bypass used to help bile flow around a blockage is called a biliary bypass. Different biliary bypass operations are used depending on the location of the blockage.
Choledochojejunostomy joins the common bile duct to the jejunum (the middle part of the small intestine).
Hepaticojejunostomy joins the common hepatic duct to the jejunum. The common hepatic duct carries bile from the liver.
Gastric bypass, or gastrojejunostomy, joins the stomach directly to the jejunum. This surgery is sometimes used to avoid a second surgery if it is likely that the duodenum will become blocked as the disease progresses.
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