What is Pancreatectomy: Overview, Benefits, and Expected Results

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What ⁤is Pancreatectomy: Overview, Benefits, ⁤and Expected Results





What is Pancreatectomy?



Pancreatectomy is ⁢the surgical removal of all or⁢ part of⁤ the ⁣pancreas. The pancreas is an organ in the abdomen responsible⁤ for ⁣creating digestive ​enzymes and hormones necessary for food digestion‌ and sugar regulation. It is commonly used to treat cancer, to remove tumors in the pancreas,⁢ or to⁤ address some types of pancreatitis (inflammation of the pancreas). In some instances, the entire pancreas ⁤may be removed, which is referred to as a total pancreatectomy. Alternatively, part of the organ may be removed, ​either in the form of a segmental pancreatectomy, a distal pancreatectomy, or a duodenum-preserving pancreatectomy.



Types‌ of Pancreatectomy



Total Pancreatectomy



A total pancreatectomy is the most extensive of the surgeries and involves the⁢ removal of‍ the entire pancreas, including the head, body, and tail. It is commonly used when the entire organ has been affected by cancer or when a pancreatic tumor ⁢is too large to be removed by ‌any other method. In cases of​ pancreatitis, it may be necessary‌ to ​remove the organ to keep the condition under control.



Segmental Pancreatectomy



A segmental pancreatectomy is an option​ for a more limited removal and involves the removal of a pancreatic “segment”, or just a portion of the pancreas. Depending on the size of the tumor‍ or inflamed area, a segmental pancreatectomy may be used ‍to completely remove⁤ a‍ tumor, without‍ damaging surrounding tissue. This type of surgery is usually less invasive than a ‌total pancreatectomy and‌ can help to preserve some of the ​organ’s functionality.



Distal Pancreatectomy



A distal pancreatectomy, sometimes ​referred to as a “tail pancreatectomy” involves the removal ​of only the tail of the pancreas. This ⁢may be recommended if the tumor is confined to⁣ the tail, or to address pancreatitis ⁣or chronic pancreatitis. A ⁤distal pancreatectomy may also be combined with a splenectomy, ⁤or the removal of the spleen to more easily ‌remove any tumors or cysts in the area.



Duodenum-Preserving Pancreatectomy



A‌ duodenum-preserving⁣ pancreatectomy, as the⁣ name implies, preserves the duodenum while removing the head⁢ and⁤ neck of the pancreas. This is⁢ done⁢ to‍ address⁤ tumors in the head of the pancreas while minimizing the⁣ impact on the duodenum, which is responsible for digesting food from the ⁣stomach. This procedure can offer a more favorable outcome than a total pancreatectomy, as the duodenum⁣ is spared and the main digestive organs​ are left in place.



Benefits of Pancreatectomy



Pancreatectomy can​ provide a wide range of benefits for those who require the surgery. Most significantly, it can be used as a cancer treatment to remove the affected area and address any ⁤possible spread of the disease. In​ some cases, a segmental pancreatectomy can be used to remove the affected area without damaging surrounding tissue, which can‍ help to minimize the⁤ impact of the surgery and speed ‌recovery. Depending on the patient’s condition, a partial pancreatectomy can also be used⁣ to preserve some of the organ’s functionality and may provide a more favorable prognosis than a total pancreatectomy.



Expected Results of Pancreatectomy



The expected results of a pancreatectomy will depend on the ⁢severity​ and type ‌of surgery performed. In general, a total pancreatectomy will require the longest ‍recovery time and‍ may require the patient to take insulin for the rest ‍of ⁢their life. A ⁤segmental or duodenum-preserving pancreatectomy may have ‍less drastic‍ effects, allowing the patient to ⁣maintain some pancreatic function, while still providing⁤ relief from⁢ the condition or tumor being treated.



In any case, recovery from a ‌pancreatectomy may take ‌anywhere from several weeks to several months and each patient’s experience ​may vary. After the surgery, patients will likely need to follow up with their doctor ⁤regularly to monitor for complications or further issues. While the recovery process may be lengthy and challenging, it can ultimately lead to an improved​ quality⁤ of life for many patients.



Summary



Pancreatectomy is the surgical removal of all or part of the pancreas and may be used to treat cancer, remove tumors, or address issues related ‌to pancreatitis. Depending on the ⁤size and location of the ⁣tumor or affected area, the surgery may​ require a total, segmental, distal, or duodenum-preserving pancreatectomy. In each case, the procedure⁢ can provide a number of potential benefits, including the successful removal of the affected area and restoration of some degree of normal function. The expected results of the surgery and⁤ recovery time may vary, but with careful monitoring and proper care, ⁤many patients are able to achieve a full recovery and improved quality of life.












Definition and Overview

Pancreatectomy is a surgical procedure that involves the complete or partial removal of the pancreas, a glandular organ that is part of the endocrine and digestive systems. This organ is located in the abdominal cavity, right behind the stomach, and is responsible for the production of a number of hormones that are important to the body’s different processes, including the pancreatic polypeptides, insulin, somatostatin, and glucagon. It is also responsible for the production and secretion of digestive enzymes that aid in the digestive process, facilitate the absorption of nutrients in the human intestine, and assist in breaking down lipids, proteins, and carbohydrates. A pancreas resection procedure is performed to manage conditions affecting the organ, including benign and malignant pancreatic tumours, and pancreatitis.

There are a number of pancreatectomy types, including the following:

  • Pancreaticdoudenectomy – Also known as a Whipple procedure, this type of pancreas resection involves several organs, including the duodenum. This is often recommended for patients with malignant pancreatic tumours combined with other cancerous growths in the duodenal papilla, the common bile duct, or the duodenum near the organ.
  • Distal pancreatectomy – This involves the removal of the bottom half of the pancreas and is recommended for patients with malignant tumours at the tail or the bottom of the organ.
  • Middle segmental pancreatectomy – This is performed on the middle segment of the pancreas.
  • Total pancreatectomy – This involves the complete removal of the pancreas.

Who Should Undergo and Expected Results

Pancreas resection is performed for the treatment or management of the following conditions:

  • Necrosing pancreatitis – This involves the collection of fluids and necrosis in the organ, often as a complication of acute pancreatitis. Over time, the fluid collected in the organ forms a wall, known as a pseudocyst, which has high levels of pancreatic enzymes. When this pseudocyst becomes infected, it turns into a pancreatic abscess. Necrosing pancreatitis can cause sepsis and multiple organ failure. The procedure can prevent the onset of necrosis in the pancreas, which can increase the patient’s chances of survival.

  • Chronic pancreatitis. This refers to the inflammation of the pancreas that occurs over a longer period of time. A patient with this condition experiences impairment in food digestion and low levels of pancreatic hormones.

  • Pancreatic trauma. Injuries to the pancreas can be difficult to diagnose, but minor ones are relatively easy to treat. However, when these minor injuries are not diagnosed properly, or in cases of severe pancreatic injuries, the patient can suffer severe symptoms that will be extremely difficult to treat and manage.

  • Pancreatic ductal adenocarcinoma (PDAC). This type of pancreatic cancer develops from the cell lining the pancreatic ducts responsible for transporting digestive juices into the small bowels. Ductal adenocarcinomas can grow anywhere in the organ, but they are typically found in the head of the pancreas.

  • Serous cystadenocarcinoma. Though rare, these cystadenocarcinomas often start out as benign cysts that contain water-like fluids.
  • Pancreatic neuroendocrine tumors (NETs). This type of tumour develops from the pancreas’ hormone-producing cells, and typically affects individuals with a family history of von Hippel-Lindau Syndrome and Multiple Endocrine Neoplasia.
  • Mucinous cystic neoplasm with invasive carcinoma. These cancer-causing growths often occur in the tail or body of the pancreas, and are usually diagnosed in middle-aged female patients. Unlike other types of pancreatic neoplasms, these growths are filled with thick mucus.
  • Acinar cell carcinoma. This type of pancreatic cancer is very rare. It develops in the acinar cells that are responsible for the production and secretion of digestive enzymes. Over time, this type of tumour produces excessive amounts of pancreatic lipase, which assists in the digestion of fats. Distinct symptoms of this cancer include joint pain and skin rashes.
  • Severe hyperinsulinemic hypoglycemia. This condition involves high production and secretion of insulin, which results in low blood glucose levels.

How Does the Procedure Work?

There are two ways of performing a pancreas resection: open and laparoscopic surgery. Laparoscopic surgery is often the preferred method as it minimizes the risks and recovery period.

With a laparoscopic pancreatectomy, the surgeon makes four small incisions in the abdomen, which serve as the entry point for thin, tube-like surgical instruments. The patient’s abdomen will be filled with carbon dioxide to help the surgeon view the abdominal cavity through a tiny camera inserted through one of the incisions.

With a partial pancreatectomy, the surgeon will clamp the blood vessels before cutting them. The surgeon will also staple and divide the organ into segments for removal. If the patient’s condition affects the vein or artery of the spleen, this organ will also be removed.

In a total pancreatectomy, the surgeon will remove the whole pancreas, including other organs attached to it (such as the common bile duct). The end of the stomach will be divided and detached, the pancreas (and attached organs) removed, and reconnected to the small intestine.

Any type of pancreatectomy is performed under general anaesthesia.

Possible Risks and Complications

Pancreas resection is linked to several risks and possible complications, including the following:

  • Post-operative bleeding, which increases mortality risk by up to 50 percent
  • Delayed gastric emptying
  • Pancreatic anastomotic leak
  • Infections

References:

  • Claudius C, Lillemoe KD. Palliative Therapy for Pancreatic Cancer. In: Cameron JL, Cameron AM, eds. Current Surgical Therapy. 11th ed. Philadelphia, PA: Elsevier Saunders; 2014: 481-487.

  • Jensen EH, Borja-Cacho D, Al-Refaie WB, Vickers SM. Exocrine Pancreas. In: Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 19th ed. Philadelphia, PA: Elsevier Saunders; 2012:chap 56.

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