Comprehensive Care for Liver Cancer: Find the Right Specialist | Dr. NA Siddiqui

Liver cancer is a condition where abnormal cells grow uncontrollably in the liver, a vital organ responsible for filtering blood, producing bile, and storing nutrients. It is one of the leading causes of cancer-related deaths worldwide. Liver cancer can be primary (starting in the liver) or secondary (metastasized from other parts of the body).

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Types of Primary Liver Cancer

1. Hepatocellular carcinoma (HCC): The most common type, originating in liver cells (hepatocytes).
2. Intrahepatic cholangiocarcinoma (Bile duct cancer): Cancer of the bile ducts inside the liver.
3. Angiosarcoma and hemangiosarcoma: Rare cancers of the liver’s blood vessels.
4. Hepatoblastoma: A rare liver cancer primarily affecting children.

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Symptoms

Liver cancer symptoms may not appear in the early stages. As the disease progresses, symptoms may include:

1. Unexplained weight loss.
2. Loss of appetite.
3. Abdominal pain or swelling.
4. Nausea and vomiting.
5. Jaundice (yellowing of skin and eyes).
6. Fatigue and weakness.
7. Itchy skin.
8. Dark-colored urine and pale stools.

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Causes and Risk Factors

Liver cancer is linked to various factors, including:

Causes:

• Chronic liver diseases: Conditions like hepatitis B (HBV) and hepatitis C (HCV).
• Cirrhosis: Scarring of the liver tissue due to alcohol abuse, fatty liver disease, or chronic infections.
• Aflatoxin exposure: Consumption of food contaminated by molds producing aflatoxin.
• Inherited liver diseases: Such as hemochromatosis (excess iron in the body).

Risk Factors:

1. Excessive alcohol consumption.
2. Obesity and nonalcoholic fatty liver disease (NAFLD).
3. Diabetes.
4. Smoking.
5. Exposure to industrial chemicals.
6. Family history of liver cancer.

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Diagnosis

Early detection is crucial for effective treatment. Common diagnostic methods include:

1. Imaging tests:
   • Ultrasound: Detects abnormalities in the liver.
   • CT scan or MRI: Detailed imaging to locate and assess the tumor.
2. Blood tests:
   • Alpha-fetoprotein (AFP): High levels in the blood may indicate liver cancer.
3. Liver biopsy:
   • A sample of liver tissue is taken and analyzed to confirm the diagnosis.
4. Liver function tests (LFTs):
   • Evaluate the liver’s ability to function properly.

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Treatment

The treatment of liver cancer depends on its type, stage, and overall liver function. Common treatments include:

1. Surgery:

• Liver resection: Removing the part of the liver affected by cancer.
• Liver transplant: Replacing the diseased liver with a healthy one from a donor (for select cases).

2. Localized Therapies:

• Ablation therapy: Destroying cancer cells using heat (radiofrequency ablation) or cold (cryoablation).
• Embolization: Blocking blood flow to the tumor to starve it of nutrients (TACE or radioembolization).

3. Targeted Therapy:

• Drugs like sorafenib and lenvatinib that target specific proteins or pathways in cancer cells.

4. Immunotherapy:

• Boosting the immune system to fight cancer (e.g., nivolumab, atezolizumab).

5. Chemotherapy:

• Use of cancer-killing drugs, though less effective for liver cancer compared to other therapies.

6. Radiation Therapy:

• High-energy beams target and kill cancer cells. Often used for advanced cases or symptom relief.

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Prevention

To reduce the risk of liver cancer:

1. Vaccinate against hepatitis B and screen for hepatitis C if at risk.
2. Limit alcohol consumption and avoid smoking.
3. Maintain a healthy weight and control diabetes.
4. Eat a healthy diet, avoiding aflatoxin-contaminated food (e.g., moldy grains or nuts).
5. Regular screening for those with chronic liver diseases or cirrhosis.

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Prognosis

• Early-stage liver cancer treated with surgery or transplant offers the best outcomes, with a 5-year survival rate of 50%-70%.
• Advanced or metastatic liver cancer has a poor prognosis, but new therapies like targeted and immunotherapy are improving survival rates.

When to See a Doctor

Seek medical attention if you notice persistent symptoms like abdominal pain, jaundice, or unexplained weight loss. Early diagnosis significantly increases the chances of successful treatment.