lengthy page test that should trigger spam filters
- From: Mark Goodge <usenet@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 27 Sep 2007 10:12:54 +0100
Copied and pasted from elsewhere, just for the sake of it
Mesothelioma is a deadly cancer which is fairly rare although in the last few decades the number of people who have died from it have dramatically increased. Mesothelioma is caused by exposure to asbestos without sufficient protection. When a person is exposed to asbestos, he or she inhales tiny asbestos fibres which are suspended in the air. These fibres pass into the respiratory system and end up becoming lodged in the lungs. An accumulation of asbestos fibres in the lining of the lungs like this can cause nearby cells to deform and eventually leads to what is known as pleural mesothelioma. Accumulation of asbestos fibres in the peritoneum (lining of the abdomen) can lead to peritoneal mesothelioma and build up of fibres around the tissue of the heart can cause pericardial mesothelioma. Asbestos fibres reach these places over time or because they have been transported there by the lymphatic system.
Mesothelioma has a very large latency period (time between getting the cancer and feeling the symptoms of it). This period is usually between 30 – 50 years and so a person who bears mesothelioma is unlikely to know that they have got it. This is why mesothelioma is so hard to diagnose in its early stages because it shows no symptoms and the few symptoms that it does show such as wheezing and shortness of breath are typical of far more common diseases such as pneumonia. The likelihood of being cured depends largely on how early and how aggressively the cancer is treated. If it is treated when it has fully developed and matured then it is extremely difficult to cure.
In this way, those at risk are those who have worked amongst asbestos. Construction workers, asbestos manufacturers or those who have lived within a mile of an asbestos factory are the people who have the largest contact with asbestos. Those who are in contact with these people are also at risk because asbestos fibres can stick to clothes and hair. The majority of people who are discovering that they have mesothelioma are elderly men of about 60 – 70. This was the generation which worked with asbestos a lot without sufficient protection. Many of these men are now lodging multi million dollar lawsuits against the companies who exposed them to the dangers of asbestos.
For more information on pericardial mesothelioma such as the risks, causes, symptoms and treatments go to:
http://www.pericardialmesothelioma.co.uk,
http://www.pericardial-mesothelioma.co.uk and
http://www.asbestos-resource.co.uk
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What is mesothelioma?
Mesothelioma is cancer of the mesothelium. Like most cancers, mesothelioma involves the abnormal dividing of cells of a particular part of the body -- in this case, the mesothelium. Mesothelioma is so deadly because it remains dormant for many years and then begins to rapidly expand. The cancer then begins to invade and damage nearby tissue, including the vital organs.
What is the mesothelium?
Many of the internal organs of the body are protected by a membrane called the mesothelium. This membrane actually consists of two layers of cells. The inner layer surrounds the organs, and the second is a sac surrounding the inner layer. When organs within this membrane must move, expand or contract -- such as the heart, lungs, bladder, and so on, they are able to do so because the mesothelium produces a lubricating fluid between the two layers.
Mesothelioma most often begins in the pleura or peritoneum. The pleura surrounds the lungs and covers the chest cavity. The peritoneum covers most of the organs in the abdominal cavity. Other mesothelium tissue is also vulnerable to mesothelioma. These include the pericardium that surrounds and protects the heart; the tunica vaginalis testic which surrounds the internal male reproductive organs; and the tunica serosa uteri which is the membrane covering the internal reproductive organs in women.
Who is at greatest risk to develop mesothelioma?
Mesothelioma has a very specific cause - exposure to asbestos. During the first half of the previous century, right up until the mid 1970s asbestos was an important material used to insulate buildings, machines, heavy equipment, and a broad range of commercial applications. Because it was plentiful and inexpensive to mine, asbestos was used in many building products such as home insulation, floor, ceiling and roof tiles. It was also used in commonly found commercial products such as brake linings and pipe insulation.
This meant that millions of people were coming in contact with asbestos on a daily basis. And since the effects of exposure to asbestos fibre often do not become apparent for 30 or 40 years after prolonged exposure, companies and health officials were slow to recognize the dangers of asbestos. As a result, shipyard workers, men and women working in asbestos mines and mills, workers producing asbestos products, workers in the heating and construction industries, and virtually all other tradespeople were exposed to asbestos fibres for extended periods of time.
Today it is understood that anyone working with or near asbestos has an increased risk of developing mesothelioma, so there are strictly controlled limits of exposure in the work place. But since the dormancy period of mesothelioma can often be 30 or 40 years, there are millions of workers who are at risk because of their exposure in the decades before the safety controls were put in place.
What are the symptoms of mesothelioma?
Pleural mesothelioma - cancer of the pleura or lung lining - causes shortness of breath or chronic coughing. Other symptoms of pleural mesothelioma may include chest pain, chronic coughing, shortness of breath, fatigue, wheezing, hoarseness, weight loss, or blood in the phlegm from the lungs when coughing.
Peritoneal mesothelioma affects the lining around the stomach and intestines and is usually just as dangerous. Symptoms of peritoneal mesothelioma include pain or swelling in the abdomen, weight loss, bowel obstruction, anemia, and fever.
Many of the symptoms of mesothelioma can easily be mistaken for allergies or a common cold. Mesothelioma is often discovered when patients think they have one of these other common illnesses.
How Serious is Mesothelioma?
By the time most infected people become aware they have mesothelioma, it is no longer dormant and becomes extremely aggressive. In its active phase, mesothelioma can travel quickly, and is almost impossible to stop. There are treatments used to keep the patient comfortable, but there is currently no cure for mesothelioma. As many as 75% of those who develop the disease will lose their life within one year. The remainder may last for up to an additional six months.
This makes it extremely important to detect the disease before it enters its active phase.
How is mesothelioma diagnosed?
Mesothelioma is often not diagnosed until it reaches an advanced stage. This is because of its long dormancy period, and because once it becomes active the initial symptoms are similar to much more comman and less dangerous sicknesses such as colds or the flu. If a patient has a history of exposure to asbestos, then a complete physical examination is advised. This would normally include x-rays of the chest or abdomen and lung function tests. It might also include a CT (or CAT) scan or an MRI. Both of these tests give detailed pictures of areas inside the body.
If these tests indicate the probability of mesothelioma, then it is necessary to perform a biopsy to confirm the diagnosis. Doing a biopsy involves an oncology specialist taking a small sample of affected tissue and examining it under a microscope for signs of malignancy. Depending on the location of the affected tissue, doing a biopsy can be a relatively traightforward procedure. It normally involves the insertion of a small instrument into the suspect cavity. These surgical devices have both viewing and sample taking capabilities. So the oncologist or surgeon can look at the cavity from the inside, and then take tissue samples from different areas.
If mesothelioma is discovered, the initial tests are followed up with what is called "staging". This involves more tests to determine how far the disease has spread.
How is mesothelioma treated?
Standard treatments include the normal options available to cancer patients: surgery, radiation therapy, and chemotherapy. Sometimes, these treatments are combined. If the mesothelioma is discovered at an early enough stage these treatments can sometimes be effective.
Among the treatments that are used in order to reduce the effects of the disease are oxygen, postural drainage and pain killers. Many alternative treatment methods are also being tested, including attempts to strengthen the body's immune system. Gene therapy is also being tested in an attempt to attack the problem at the DNA level. Other treatments being tried and tested include homeopathy, herbs and acupuncture. Unfortunately none of these have been found to be very effective once the disease reaches its aggressive stage.
As with all cancers, early detection is the best defense against mesothelioma. Anyone who has been exposed to asbestos should be alert for symptoms and contact a doctor immediately. Detecting mesothelioma at the earliest stage possible greatly increases the chances of beating the disease.
For more information about Mesothelioma visit http://www.mesotheliomaadvisors.com ==> For more articles and reports about mesothelioma see http://www.mesotheliomaadvisors.com/reports.html ==> Rick Hendershot is a writer and online publisher. For publishing and promotion opportunities see http://www.linknet-blogs.com
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