Minimally Invasive Liver Resection

Minimally Invasive Liver Resection

While the liver is a robust organ, it can be damaged by various agents such as chronic alcohol use, viral infections, or excessive fat buildup. The liver can heal itself over time, but continuous strain and exposure to harmful toxins or substances can overwhelm these repair processes. This can lead to cirrhosis, liver failure, or cancer, where a liver resection (hepatectomy) may be necessary.

What Makes the Liver a Vital Organ?

The liver performs a myriad of functions that are crucial for survival; among them are the metabolism of carbohydrates, proteins, fats, and hormones. It rids the body of harmful toxins and excretes drugs. It synthesises bile that dissolves fat. It also stores glycogen, Vitamin A, Vitamin B12, and iron and releases them into the bloodstream when critical levels are reached in the body. When the liver fails to do its function (i.e., when it is diseased), no organ support machine can take over its function long-term, unlike when the kidneys, heart, or lungs fail.

What Is a Hepatectomy?

Hepatectomy, also known as liver resection, is a surgical procedure of removing a portion of the liver. It is performed to prevent the progression of liver disease or to treat certain conditions. After a portion of the liver is removed, the remaining healthy liver can regenerate and grow back to nearly its full size. Over time, the liver’s lost functions can gradually be restored.

When Is a Hepatectomy Required?

Hepatectomy is often performed when there is abnormal growth or tumour in the liver. Tumours can be benign or malignant. Benign tumours include the following:

  • Hepatocellular adenoma
  • Large haemangioma (which are symptomatic)
  • Biliary cystadenoma

A malignant tumour, which arises from the liver cell is a primary liver tumour and is termed hepatocellular carcinoma. However, the most common malignant tumours or neoplasms of the liver are secondaries, which means they are the result of metastasis from cancers from other sites, such as from the following:

  • Colon and rectum
  • Pancreas
  • Breast
  • Ovaries and uterus
  • Lung
  • Kidney
  • Oesophagus
  • Stomach

Types of Hepatectomy

Hepatectomy can be classified into two main types: major hepatectomy, which involves removing a significant portion of the liver, and minor hepatectomy, which removes a smaller section.

  • Major Hepatectomy In cases where a large part of the liver is damaged or diseased, a major resection may be necessary. This surgery involves removing a significant portion of the liver, often more than half. While this surgery is more complex, it can offer complete tumour removal, improved liver function, and longer survival rates for some patients.
  • Minor Hepatectomy This procedure removes a smaller section of the liver and is usually reserved for smaller, isolated tumours or diseased areas. Many minor hepatectomies can be performed via laparoscopic liver surgery by trained liver surgeons. They have a smaller risk of complications, shorter recovery time and can preserve liver function.

The decision for minor or major hepatectomy depends on the size, location, and number of the cancer. The liver cancer surgeon removes a part of the liver where the abnormal tumour is located or an entire lobe.

Hepatectomy in Liver Cancer

The technique for the hepatectomy can be done as an open surgical procedure or as a laparoscopic procedure. Prior to this liver surgery, imaging tests such as computerised tomography (CT) or magnetic resonance imaging (MRI) with angiography are first done to visualise the location and extent of the cancer and determine if the cancer can be safely removed. Resecting the portion of the liver with the cancer nodule greatly prevents the cancer from spreading. Surgical planning with remnant liver volume calculation may be required in some patients to ensure sufficient remnant liver volume after the removal of liver tumours.

However, not all tumours can be removed. Generally, patients with large tumours that invade major liver vessels, multiple tumours located at different lobes of the liver, and tumours that have spread outside of the liver may not be eligible for hepatectomy. For certain patients, liver transplants may offer a more effective treatment option for liver cancer, especially when other treatments are not suitable or have reached their limits.

Prioritise your liver health – start your treatment today.

A diagnosis of liver failure, cirrhosis, or cancer can be daunting, but with the right care, you can take positive steps towards recovery. Our liver surgeons are dedicated to providing compassionate and effective care for patients in need of hepatectomy. Contact us to schedule a consultation and learn more about how we can help you regain your health.

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Email: info@liversurgery.com

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