Mesothelioma is a form of cancer which occurs in thin membranes (called the mesothelium) lining the chest, lungs, abdomen and sometimes the heart. Although quite rare, mesothelioma symptoms strike more than 200 people each year in the United States. The majority of mesothelioma cases are directly linked to asbestos exposure.

Mesothelioma is a relatively rare form of cancer, even though reported incidence figures show a steady increase over the past 20 years or so. Each year approximately 2,000 new cases of mesothelioma are diagnosed in the United States alone. Mesothelioma affects men more so than women and the risk increases with age, but mesothelioma can occur in either sex and at any age.

Mesothelioma is merely a form of cancer that affects the lining covering the lungs. It comes in three forms:

• Pleural mesothelioma

• Peritoneal mesothelioma

• Pericardial mesothelioma

Causes of Mesothelioma

The primary cause of mesothelioma is exposure to asbestos. Once the patient has inhaled asbestos dust/fibers, other factors like smoking can aggravate the condition over a period of time. There can be other causes of mesothelioma too. For example, there have been cases diagnosed where the patient has had no history of asbestos exposure.

Mesothelioma cancer is caused by exposure to asbestos fibers or dust. Workers in the asbestos industry are prime targets for attracting this deadly disease. Asbestos fibers enter the body, either by breathing in the tiny asbestos fibers or by swallowing them. The fibers cause healthy cells to mutate into cancer. Since the body is unable to dispel these fibers, the lungs become inflamed (asbestosis). This condition worsens and eventually becomes malignant.

There are three common forms of mesothelioma:

1. Pleural Mesothelioma is the most common form of Mesothelioma. It starts in the chest cavity (after breathing the particles) before spreading to other areas.

2. Peritoneal Mesothelioma starts in the abdomen (after swallowing the particles) and accounts for about 10-20% of Mesothelioma patients.

3. Pericardial Mesothelioma is the rarest form of Mesothelioma. It starts in the cavity that surrounds the heart.

Symptoms

During the early stages of Mesothelioma, the. One of the characteristics of mesothelioma is that symptoms can appear very late, sometimes 50 years following first contact with asbestos. In fact, the first signs of abdominal asbestos mesothelioma may not be noticeable until 20 to 50 years after asbestos exposure. Moreover, the symptoms can vary, depending on several factors, such as the specific type of mesothelioma a patient has and his length of exposure to asbestos. Besides, exhaustion, weight loss and appetite loss are some of the other contributing symptoms. The person who has developed mesothelioma has to be diagnosed immediately when these symptoms are seen.

Treatment Trials:

This trial tests the effectiveness of new types of treatments and the various new drugs. Volunteers for this type of trial are patients with mesothelioma.

Quality of Life Trials:

Trials conducted to try and improve the quality of life of mesothelioma patients are called Quality of life trials. These trials are focused about trying to reduce the discomfort and symptoms associated with mesothelioma.


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