परिभाषा

The liver is located in the right side of the abdomen. It stores and metabolizes nutrients. It also filters and stores blood. Liver cancer is the growth of cancer cells in the liver.

Cancer occurs when cells in the body divide without control or order. If cells keep dividing uncontrollably, a mass of tissue forms. This is called a growth or tumor. The term cancer refers to malignant tumors. These tumors can invade nearby tissue and spread to other parts of the body.

का कारण बनता है

The cause of liver cancer is not known. Research shows that certain risk factors are associated with the disease.

जोखिम कारक

Factors that may increase you chance of liver cancer include:

  • लिंग पुरुष
  • Age: 40 and older
  • Infection with the hepatitis B virus or the hepatitis C virus
  • Formation of scar tissue in the liver, also known as cirrhosis
  • Excessive alcohol consumption
  • कुपोषण
  • मोटापा
  • Exposure to an infectious agent, such as a liver fluke, which are found in southern Pacific countries
  • Hemochromatosis—abnormal collection of iron in body tissues
  • Hereditary metabolic disorders such as alpha-antitrypsin (AAT) deficiency and tyrosinemia
  • Exposure to certain chemicals:
    • Aflatoxin—a substance made by a fungus that often infects wheat, peanuts, soybeans, corn, and rice in tropical and subtropical regions
    • Vinyl chloride and thorium dioxide—chemicals that are strictly controlled
    • Anabolic steroids—male hormones sometimes given for medical reasons, but also taken by athletes to increase strength
    • Arsenic—a toxic chemical

यकृत कैंसर

लक्षण

Symptoms of liver cancer in the early stages are vague. They often go unnoticed.

Liver cancer can cause the following symptoms:

  • भूख में कमी
  • अस्पष्टीकृत वजन घटना
  • बुखार
  • थकान
  • कमजोरी
  • पेट दर्द और सूजन
  • Nausea
  • गहरे रंग का मूत्र
  • Excessive itchiness of the skin
  • Confusion and increased sleepiness
  • Yellowing of the skin and/or the whites of the eye

These may also be caused by other, less serious health conditions. See a doctor if you have these symptoms.

निदान

आपका डॉक्टर आपके लक्षणों और चिकित्सा इतिहास के बारे में पूछेगा। एक शारीरिक परीक्षा ली जाएगी।

आपके शारीरिक तरल पदार्थों का परीक्षण किया जा सकता है। इसके साथ ऐसा किया जा सकता है:

  • रक्त परीक्षण
  • बायोप्सी

Your doctor may need to view images of your bodily structures. This can be done with:

  • एक्स-रे
  • एंजियोग्राम
  • कंप्यूटेड टोमोग्राफी (सीटी) स्कैन
  • चुंबकीय अनुनाद इमेजिंग (एमआरआई) स्कैन
  • लेप्रोस्कोपी

उपचार

If liver cancer is found, staging tests are done. This will help find out if the cancer has spread and, if so, to what extent. Surgery is the only procedure used to try to cure liver cancer. Chemotherapy and radiation therapy can reduce symptoms associated with the cancer. They are not considered able to cure liver cancer by themselves.

  • Surgery—removal of the cancerous tumor and nearby tissue, and possibly nearby lymph nodes
  • Cryosurgery—destroys tumors by freezing them with a metal probe
  • Ethanol ablation—kills cancer cells by injecting alcohol directly into the tumor
  • Radiation therapy—the use of radiation to kill cancer cells and shrink tumors. Radiation may be:
    • External radiation therapy—Radiation is directed at the liver from a source outside the body.
    • Internal radiation therapy—Radiation is placed as close as possible to the cancer cells. Radiation seeds or compounds are delivered directly to the tumor through a special catheter that is placed in the hepatic artery, which delivers blood to the liver.
    • Radiofrequency ablation—This involves using heat to destroy the tumor. Imaging machines are used to guide the probe to the tumor site.
  • Chemotherapy—drugs enter the bloodstream and travel through the body to kill mostly cancer cells and some healthy cells; may be given by pill, injection, and via a catheter directly into the liver
  • Sorafenib—a new class of therapies targeting vascular endothelial growth factor receptor (VEGF); used for advanced liver cancer
  • Biological therapy—the use of medications or substances made by the body to increase or restore the body’s natural defenses against cancer; also called biological response modifier (BRM) therapy

रोकथाम

To reduce your risk of getting liver cancer:

  • If you use needles to inject medication or drugs, always use a clean needle. Do not share needles with anyone.
  • Use condoms when having sexual intercourse if you or your partner is not in a monogamous relationship or if you don’t know if your partner has hepatitis.
  • Have children vaccinated against hepatitis B.
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