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Liver Cancer is Considered a Relatively Rare CancerBY: Ritu Choudhary | Category: Liver Cancer | Submitted: 2010-07-08 19:41:49
What is liver cancer The liver is the largest organ of the body is located in the right abdomen and is divided into two lobes, one right, largest, and one left. The liver is crucial for maintaining a state of good health: removes waste substances from the blood and produces bile and many enzymes needed for digestion. Two large blood vessels feeds blood into liver: the hepatic artery and portal vein. The liver cancer is caused by the uncontrolled proliferation of cells within the organ. How widespread is liver cancer Is considered a relatively rare cancer, although its incidence varies greatly according to geographical areas. It is more common in Asia, less in the U.S. and Europe. The European incidence is 7 per 100,000 people per year in men and 2 per 100,000 women, representing about 2 percent of all cancers. About 7 percent of patients with liver cancer are over 65 years. In men, the incidence increases rapidly with increasing age from 3 per 100,000 in age group less than 45 years, 32 per 100,000 in patients aged between 60 and 64 years, finishing at 62 for 100,000 in the group of patients over the age of 75 years. Are relatively frequent secondary cancers or metastases, which colonize the liver coming from other organs. What are the risks associated with liver cancer It is not yet known the exact mechanism by which liver cancer develops, many points remain unclear: for example, many people with multiple risk factors do not get sick. Some elements, however, constitute a definite risk factor. These common causes of liver cancer includes: Chronic infections: represent the most important risk factor, can be caused by hepatitis viruses B and C, which are transmitted through blood or sexual contact or from transmission form mother to child during pregnancy. Viral hepatitis often does not give any symptoms, although their presence is easily detected through a blood test. B virus infection also can be fought through a vaccine, which today is done for all infants and is useful at any age. If the hepatitis becomes chronic can cause (even after many years) may result in tumor. Cirrhosis: Cirrhosis is a disease that develops when, due to parasitic infections, alcohol abuse, autoimmune disorders, poisoning by drugs and chemicals, etc. Liver cells are damaged and replaced by diseased tissue. An estimated five percent of people with cirrhosis develop liver cancer. Alfa toxins: It is a class of substances that are considered contaminants of certain foods sex: men are more prone to liver cancer. Hereditary: A family event effected by liver cancer poses a higher risk of transmitting the same to his siblings. age: in most cases, the cancer occurs after age 60. Types of liver cancer[/b] The primary tumors of the liver (i.e. those developed in the organ and not caused by other cancer cells become detached and migrated to the liver, known as metastasis) have mostly beginning from the inner cells of the organ, called hepatocytes. This is known as hepatocellular carcinoma or, less commonly, hepatoma, these tumors tend to spread to bones and lungs. More often, however, tumors affecting the liver are secondary, ie derived from tumors that arise elsewhere (eg in the colon, breast or lung). The liver cancer may develop in children: in these cases we speak of hepatoblastoma. Common Symptoms Cancer of the liver is also called silent because, particularly in the early stages, shows no sign and symptoms. Gradually, the disease spreads, however, they begin to appear with few known specific symptoms, including upper abdominal pain, which may also radiate to the back and shoulders, the swelling of the abdomen, weight loss and appetite, nausea, vomiting, satiety, fatigue, jaundice (or yellow skin), the dark urine and fever. Article Source: http://www.cancer-surgery.com/ About Author / Additional Info: I am not a cancer doctor. Always consult your doctor before taking any action or conclusion regarding your medical condition. Comments on this article: (0 comments so far)
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