Liver cancer

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Liver cancer
Synonyms	Hepatic cancer
Pronounce	N/A
Specialty	N/A
Symptoms	Abdominal pain, jaundice, weight loss, nausea
Complications	Liver failure, metastasis
Onset	Typically in adulthood
Duration	Variable
Types	Hepatocellular carcinoma, cholangiocarcinoma, angiosarcoma, hepatoblastoma
Causes	Hepatitis B, Hepatitis C, cirrhosis, aflatoxin exposure
Risks	Alcoholism, obesity, diabetes, smoking
Diagnosis	Imaging studies, biopsy
Differential diagnosis	Liver abscess, metastatic cancer
Prevention	Hepatitis B vaccination, alcohol moderation, healthy diet
Treatment	Surgery, chemotherapy, radiation therapy, liver transplant
Medication	N/A
Prognosis	Generally poor, varies by type and stage
Frequency	841,000 new cases globally (2020)
Deaths	830,000 deaths globally (2020)

Diagram 2 of 2 showing stage 2 liver cancer

Liver tumor types in adults by relative_incidence

Hepatocellular carcinoma

Liver cancer is one of the most prevalent malignancies worldwide, with a high mortality rate. It refers to the growth of malignant tumors in or on the liver.

Introduction to Liver Cancer

Liver cancer starts in the liver and can spread to other parts of the body. The liver, a vital organ located in the upper right part of the abdomen, performs many essential functions such as detoxification, protein synthesis, and the production of bile to aid digestion.

Types of Liver Cancer

There are several forms of liver cancer, with two main types: Hepatocellular Carcinoma (HCC): This is the most common form of liver cancer, accounting for the majority of all liver cancer cases. It begins in the hepatocytes, the main cell type found in the liver. Hepatoblastoma: This is a rare type of liver cancer that primarily affects children, usually under the age of three. While less common than HCC, it is crucial to diagnose and treat hepatoblastoma at an early stage for a better prognosis. In addition to these primary liver cancers, the liver can also be affected by secondary cancers, which are cancers that originate in another part of the body and spread (metastasize) to the liver.

Risk Factors and Causes

Several risk factors increase the likelihood of developing liver cancer: Cirrhosis of the liver: This is a condition where the liver cells are damaged and replaced by scar tissue. It often sets the stage for the development of liver cancer, especially HCC. Alcohol abuse: Chronic and excessive consumption of alcohol can lead to cirrhosis, subsequently elevating the risk of liver cancer. Hepatitis: Especially Hepatitis B and C, can cause liver inflammation, leading to cirrhosis and an increased risk of HCC. Wilson's disease: A rare inherited disorder that causes the accumulation of copper in the liver, potentially leading to cirrhosis and liver cancer. Other risk factors: Include obesity, exposure to aflatoxins (a type of mold), and certain metabolic diseases.

Prevention and Diagnosis

Understanding risk factors allows individuals to take proactive steps to prevent the onset of liver cancer. Regular medical check-ups, hepatitis vaccinations, moderate alcohol consumption, and maintaining a healthy weight can play a role in prevention. Early diagnosis is vital. Imaging tests such as ultrasound, CT scans, and MRIs are typically used to diagnose liver cancer. In some cases, a biopsy might be necessary to confirm the diagnosis.

Summary

Liver cancer, especially HCC, is a significant health concern worldwide. Awareness of risk factors and early detection are crucial in managing the disease effectively. With advances in medical research, there are now various treatment options available for patients, including surgery, radiation therapy, and targeted drug therapy, to name a few.

See Also

Liver function tests Liver transplantation Cancer treatments

References

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