공지사항

Mesothelioma and Asbestos

Asbestos is a mineral that naturally forms in the form of long, thin fibers. Workers who are exposed to asbestos on a regular basis are at risk of developing mesothelioma or other lung diseases.

It may take decades for symptoms to show up after exposure to asbestos. Different asbestos types may cause different symptoms.

Pleural Mesothelioma

Pleural mesothelioma is a type of cancer that affects the lung's outer lining (pleura). It is the most prevalent mesothelioma that accounts for up between 70 and 79% of diagnosed cases. People with this condition feel chest pain and breath shortness and may also feel a sensation of heaviness in the chest.

Exposure to asbestos, a family of minerals made of microscopic fibers, typically causes this type of cancer. When inhaled, these fibers are absorbed into the lung and cause irritation that leads to scarring and DNA mutations. The pleura is the area that surrounds the lungs and chest cavity, so these irritations can affect both the lungs and the heart of a person. Mesothelioma is usually not symptomatic until 30 to 50 years after exposure.

The most common symptoms of pleural mesothelioma include chest pain and shortness of breath. Some patients also experience difficulty breathing, or chest tightness. Patients with this cancer have a past that includes asbestos exposure at work. Construction, manufacturing and shipbuilding are among the most common occupations which put people at risk risk of developing pleural mesothelioma. People who were in the military are at a higher risk due to the frequent use of asbestos in Navy vessels and Army bunkers.

The most popular staging method for pleural mesothelioma is the TNM (tumor, lymph nodes and metastases) staging system. The stage that a patient is at at diagnosis will help their doctor determine the most effective treatment plan for them. For example, patients with mesothelioma pleural stage three or four have a poorer prognosis than those in lower stages. Mesothelioma in stage four can be spread to the liver, heart, or diaphragm. This makes it more difficult to treat and raises the chance of complications for patients.

Peritoneal Mesothelioma

In contrast to pleural cancer, that develops in the lung's lining, peritoneal cancer develops in the membrane that covers the abdominal cavity, including organs like the intestines and liver. Like pleural mesothelioma, asbestos exposure is the primary reason for peritoneal msothelioma. Only 300-500 cases are diagnosed annually which is lower than pleural asbestosis.

As with pleural asbestosis symptoms can take several years to show. Patients generally suffer from abdominal pain and may also have a lump in their abdomen. The symptoms of this type of mesothelioma can also include nausea or weight loss, as well as fever. Many of these symptoms could be misinterpreted as digestive issues and can lead to a false diagnosis.

The doctors can detect mesothelioma through looking over the medical history of the patient and performing a physical examination. They can also use imaging tests like Xrays, CT scans and PET/CT scans to detect mesothelioma. These tests can reveal tumors and other indications of cancer that aren't apparent on an X-ray.

These test results allow doctors to diagnose mesothelioma, identify the stage and recommend treatment options. The stage is determined by the type of cell and whether the cancer has spread.

Asbestos exposure is the most important risk factor. People who have worked in professions which require asbestos, like plumbing, manufacturing, electrical work, or construction, are at greater risk of developing the disease. Even if they do not work in these fields they may be exposed to asbestos through relatives or other sources. This is why anyone who believes they could be at risk should speak to an expert. A mesothelioma specialist can help those who have had a experience with asbestos compensation to understand more about their risk.

Risk Factors

Asbestos exposure is a major risk factor for mesothelioma which accounts for as much as 80 percent of cases. Exposure to asbestos case can happen through work, military service, or living with those who worked with asbestos. When exposed to asbestos compensation, the particles can be breathed into the lungs and abdomen. These particles irritate the linings of the abdomen, which causes cancerous cells to develop in the mesothelium. Following exposure to asbestos mesothelioma is likely to be diagnosed between 15 and 60 years.

Other risk factors include smoking, genetics and age. People in their 40s and 50s are more at chance of developing mesothelioma to people who are younger or more. It takes mesothelioma between 20 and 60 years before it manifests cancer symptoms after the first exposure. It is important to note, too, that mesothelioma can be present in those who have been exposed to asbestos without having worked with it directly. This is called indirect or secondary exposure to asbestos. It could be as hazardous as direct exposure.

Smoking increases the chance of mesothelioma because it damages the mesothelium. It also makes it more prone to. Additionally, mesothelioma can be exacerbated by certain illnesses like asbestosis and pneumonia. Men are more likely to develop mesothelioma compared to women. This is because men are more likely to be exposed to Asbestos Case and endure a a longer period of exposure than women. Men are also more likely to have lived with someone who had been exposed to asbestos lawyer, and to have asbestos-containing fibers on their clothing. Women are less likely to come into contact with asbestos and rarely carry asbestos around on their clothes.

Diagnosis

Mesothelioma is difficult to identify because the symptoms often resemble other conditions. This can lead to victims being incorrectly diagnosed.

NYU Langone doctors will perform physical examinations and document the patient's medical background, including asbestos exposure. Doctors will also recommend an CT scan or chest X-ray in order to look for abnormalities, lumps and evidence of asbestos exposure. These include plaques in the pleura, thickened pleura and calcium deposits.

Other diagnostic tests include an echocardiogram which examines the blood vessels and the heart and magnetic resonance imaging, also known as MRI, test, which makes use of magnets and radio waves to make a series of detailed images of the inside of the body. A surgical biopsy is another method for doctors to identify mesothelioma. When a biopsy is performed, doctors remove a tiny piece of tissue from the pleura or the peritoneum, to be further examined. A pathologist can examine the tissue with microscopes to determine whether it is contaminated with cancerous cells.

The type of mesothelial cells involved and the benign or malignant nature of these cells as well as the location and stage of the tumor, are used to categorize the disease. Certain types of mesothelioma are more likely to develop metastasis or spread, so it is important to get a definite diagnosis so that doctors can treat the disease before it goes out of control.

Doctors can also perform laboratory tests on tumors to determine specific genes, proteins or other elements that can help them describe the characteristics of cancer and plan treatment. These results are referred to as staging.

Treatment

A diagnosis of mesothelioma can be frightening. However, it is important to remember that the disease is treatable, especially in its earlier stages. Many patients with mesothelioma live with the disease for a long time without spreading.

Exposure to asbestos can trigger mesothelioma through a variety of ways. Asbestos fibers, which are tiny enough to be felt or viewed by naked eyes can be airborne, causing irritation to the lung's lining (pleura). In time irritation can lead to formation of scar tissue which causes changes in the structure of cells that can eventually grow into tumors.

The Pleura is a protective layer that surrounds the abdomen, heart, and lungs. Mesothelium consists of cells that respond when exposed to asbestos. They cause inflammation of the tissue and cause it to scar. These changes eventually cause mesothelioma cancers.

Symptoms of pleural mesothelioma include breathlessness and chest pain as well as a buildup of fluid in the lung (pleural effusion). In rare cases cancer may spread to the tissues around the reproductive organs and the heart.

A doctor will request a biopsy if imaging scans show the possibility of a tumor in the lungs or stomach. In the course of the procedure, doctors remove a small amount of fluid or tumor for tests in the laboratory. The results will confirm a mesothelioma diagnosis, and provide the best treatment option.

There are a variety of treatment for mesothelioma, including chemotherapy and surgery. Most doctors rely on the combination of these methods. Patients can also benefit by participating in a clinical study of new mesothelioma therapies. To learn more, patients should speak to mesothelioma specialists who have had experience treating the disease.