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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 mainly because it remains dormant for many years and subsequently begins to rapidly expand. The cancer in that case 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 — like the heart, lungs, bladder, and so on, they are able to do so simply because the mesothelium produces a lubricating fluid between the two layers.

Mesothelioma usually begins within the pleura or peritoneum. The pleura surrounds the lungs and covers the chest cavity. The peritoneum covers most of the organs within 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 quite specific cause – exposure to asbestos. During the first half of the previous century, right up until the mid 1970s asbestos was an crucial material used to insulate buildings, machines, heavy equipment, and a broad range of commercial applications. Mainly because it was plentiful and inexpensive to mine, asbestos was used in many building products like home insulation, floor, ceiling and roof tiles. It was at the same time used in commonly found commercial products just like 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 during the heating and construction industries, and virtually every other tradespeople were exposed to asbestos fibres for extended periods of time.

Today it’s understood that anyone working with or near asbestos has an increased risk of developing mesothelioma, so you will find strictly controlled limits of exposure in the work place. Nevertheless 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 can include chest pain, chronic coughing, shortness of breath, fatigue, wheezing, hoarseness, weight loss, or blood within the phlegm from the lungs when coughing.

Peritoneal mesothelioma affects the lining around the stomach and intestines and is normally just as harmful. 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’s no longer dormant and becomes extremely aggressive. In its active phase, mesothelioma can travel quickly, and is almost impossible to stop. You will find treatments used to keep the patient comfortable, nonetheless there’s currently no cure for mesothelioma. As many as 75% of those who develop the disease will lose their life within one year. The remainder could last for up to an additional six months.

This makes it extremely crucial 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 due to the fact that once it becomes active the initial symptoms are similar to even more common and less harmful sicknesses just like colds or the flu. If a patient has a history of exposure to asbestos, subsequently 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, in that case it is essential 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, carrying out a biopsy can be a relatively straightforward 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 take a 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. At times, these treatments are combined. When the mesothelioma is discovered at an early enough stage these treatments can sometimes be effective.

Among the treatments which 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 towards mesothelioma. Anybody who has been exposed to asbestos need to be alert for symptoms and contact a doctor immediately. Detecting mesothelioma at the earliest stage possible tremendously increases the chances of beating the disease.

I’m Greg. Gardner, I’m surviving from Abestos Mesothelioma Cancer, and still defeating it everyday! You can read more about my story here! Also visit my site to learn more about Mesothelioma Lawsuits.