Mesothelioma and Non Asbestos Exposure
Most commonly, mesothelioma develops on the lung linings as well as the abdomen. This rare cancer also can form in the heart's lining (pericardium) or in the testes.
Asbestos is the main risk factor for mesothelioma. However, some patients diagnosed with mesothelioma may not have a history of asbestos exposure.
Exposure to Asbestos
Asbestos, which is a mineral that is of natural origin was used in the past for construction and industrial products all over the globe. People who worked in asbestos-related industries handled the material every day, putting them at risk of exposure. Asbestos fibers can get into the lungs and cause lung diseases. This is known as asbestosis. Over time, these trapped fibers can cause mesothelioma. Asbestos is also inhaled or ingested and the risk of developing mesothelioma and other asbestos-related diseases rises with the amount and length of exposure.
Most cases of mesothelioma are caused by occupational exposure. Asbestos was employed in a variety of trades, such as construction, insulation and electrical work, as well as automobile maintenance and pipefitting. Since these occupations are predominantly male-dominated 75-80% of mesothelioma cases are diagnosed in males. The gradual elimination of asbestos in the United States, and other first-world nations, has reduced occupational contamination. This has led to a shift in the number of cases, with asbestos exposure outside of the workplace becoming more frequent.
Non-occupational Mesothelioma can be caused by asbestos is released in the workplace, or is found at school or at home. It can also be caused by exposure to secondhand asbestos for example, when a family member is exposed to the clothing of an exposed asbestos worker. This kind of exposure could cause symptoms like chest pain or a shortness of breath, which are often mistaken for heart problems or lung conditions.
Certain studies have found that non-occupational exposure is linked to mesothelioma, but the results are not consistent. These studies were conducted with a very few participants, and the degree of heterogeneity between studies was high. Further research is needed to establish the causality between non-occupational exposure and mesothelioma.
People who have experienced non-occupational asbestos exposure should speak to their doctor about their asbestos history. If they are concerned, they should ask for a mesothelioma examination and referral to an expert. Mesothelioma specialists can provide patients with the best treatment and care options to improve their chances of survival. They will look over medical records, and carry out imaging tests to diagnose the disease. They will also provide advice on how to file mesothelioma suits to receive compensation from an asbestos trust funds.
Secondhand Exposure
Asbestos exposure is the most common cause of mesothelioma. However, it is not the only cause. In fact, there is a small amount of evidence that suggests that people may develop mesothelioma, even if they have never directly handled asbestos or worked in an industry with asbestos-related activities. This is known as secondary or non-occupational asbestos exposure.
Asbestos fibers are tiny and can stick to clothing, hair and skin. In the end, workers could bring the hazardous fibers home on their work clothes, and then transfer them to family members. These asbestos fibers could cause mesothelioma if inhaled or consumed.
The mesothelioma type is more prevalent in women, and typically occurs in the lung. However, it could also be found in the abdomen or chest wall. The most commonly reported symptom is shortness of breath (dyspnea), and it is often associated with other symptoms such as fluid in the lungs or a swelling in the scrotum.
Pleural mesothelioma refers to the name given to mesothelioma which occurs in the lungs. Mesothelioma affecting the chest wall or stomach is called mesothelioma peritoneal. A patient suffering from this type of mesothelioma might experience a variety of symptoms, including abdominal pain, breathing difficulties and constipation.
A number of studies have shown that individuals with no background of occupational exposure to asbestos can still develop mesothelioma due to exposure to harmful fibers. The people who were affected typically resided with someone who had been exposed to asbestos. They might have touched the clothing of the asbestos worker or had another contact.
Veterans are at a high risk of mesothelioma because asbestos was widely used in military bases, vehicles and ships. The Navy is at a greater risk, as asbestos was used in the hull and gun turrets on ships to guard them from fire. In addition, sailors often brought asbestos home from work aboard ships that were contaminated with the material.
Environmental Exposure
Mesothelioma has been linked to a variety of substances. The disease is still most often linked to asbestos exposure. Asbestos, a naturally occurring mineral was used in the manufacturing process for a number of years. It is resistant to heat and tough, which makes it ideal for insulation, brakes, shingles flooring, and many other products. Asbestos is broken down to dust that can be inhaled and swallowed. The asbestos fibers can stay in the lungs or stomach for a long time, triggering mesothelioma-related symptoms.
The most common symptoms of mesothelioma are chest pain, abdominal discomfort and trouble breathing. Asbestos patients may be suffering from these symptoms for up to 60 years or more following their first exposure. Symptoms can be mistaken for other diseases, therefore it is important to see a doctor if you have these symptoms. It is also critical to tell your doctor about your previous history of asbestos. This will help avoid a misdiagnosis and ensure you receive the appropriate treatment.
Mesothelioma that is caused by exposure to asbestos is more common in people who worked directly with asbestos, but it can also affect loved relatives of those who have been exposed. This is called secondary exposure. Family members can inhale or swallow asbestos fibers from the work shoes, clothing or even tools. These particles can be sprayed on the home by someone wearing or having hair. It is for this reason that mesothelioma sufferers and their families must wash their clothes in a clean manner after working with asbestos.
There is a huge body of literature showing a link between nonasbestos and mesothelioma. However, there are still no conclusive conclusions regarding the role played by other agents. For example, there is some evidence that the zeolites erionite and chlorosotile may cause mesothelioma. Erionite is present in soil and rocks from certain regions in Turkey where the risk of pleural mesothelioma is high.
The research on the connection between mesothelioma exposure and asbestos exposure is continuing. Funnel plots show the possibility of bias in publications and there is a high level of heterogeneity among studies. It is evident that asbestos exposure is the most significant risk factor for mesothelioma.
Genetics
Mesothelioma is an uncommon disease caused by malignant mesothelial cells which develop out of control and invade surrounding tissues. It can also spread throughout the body traveling through the bloodstream or lymphatic system and impacting other organs. Asbestos is the most common reason, but it's not the only cause. Other genetic and environmental factors can cause the disease.
Certain cases of mesothelioma have been seen in people who didn't directly expose themselves to asbestos. These people are called non-occupational victims of mesothelioma. They typically experienced an indirect exposure due to the handling of contaminated clothing or home items handled by an asbestos-exposed person in their household. It is possible to be diagnosed with mesothelioma following inhaling asbestos fibers from the clothing of a family member. Research has shown that this form of mesothelioma is more likely to have a longer latency period and is more likely to be affecting women than men.
Scientists are currently investigating the possibility that a genetic predisposition to mesothelioma might play a role in the development of the disease. Recent studies have shown the mutation in BAP1 genes increases the risk of mesothelioma among asbestos-exposed individuals. This is significant because it could lead improved screening procedures for people who are at risk of developing mesothelioma.
Researchers have identified a number of genes that are related to mesothelioma. Some of these genes are involved in suppressing tumor growth and are often altered or mutated in mesothelioma patients. Kansas City asbestos lawyer include the massive homolog of tumor suppressor 2 (LATS2) and NF2.
A family history of the disease increases the risk. Certain genes, like the BAP1, are inherited from parents. Asbestos was a common ingredient in the military for many years and veterans have the highest rates of mesothelioma compared to other occupational groups. The people who served on ships and in the Navy were at greatest risk due to asbestos exposure in shipbuilding, insulation, and fireproofing materials.
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