Mesothelioma Cancer

by elazheng

Let’s start first with what is Mesothelioma? “A usually malignant tumor of mesothelial tissue, especially that of the pleura or peritoneum.” This is the fundamental definition of the deadly disease Mesothelioma according to the Merriam-Webster Medical Dictionary.

Mesothelium tissues circle around the lungs, heart and abdominal region of your body. This is medically termed as Mesothelium lining in the body that protects your internal organs. When you inhale air containing asbestos dust particles, the air directly hits the Mesothelium lining in the body. This is basically how your body gets exposed to the asbestos fibers without actually letting you know what further damages it would cause at the later stage of your life.

Instant symptoms

Mesothelioma doesn’t pop up with instant symptoms. This is one of the biggest reasons that till date a clear-cut treatment procedure has not been formulated to cure the Mesothelioma patients. When the problem is finally diagnosed no time is left for any treatment because the patient has already reached the last stage.

Again a common symptom of Mesothelioma is that it is detected when the patient has reached the age of fifty or sixty. At this age the person’s normal immunity level becomes quite low. And it becomes rather difficult for the person to cope with this situation. At the young age the symptoms remain hidden and come in fragments when neither the patient not the doctor is able to detect and the treatment is confined to some petty common diseases.

Cancerous symptoms

Chronic level of gastric disorder Severe pains in the regions circling the heart and the lungs. This is from the external side but the problem lies beneath in the cavities of the body’s internal regions circled by the Mesothelium lining.

Excessive vomiting can be a valid symptom that is often mistaken for acidity and gastric problem. But it is very much related to Mesothelioma.

Difficulties while breathing and frequently feeling short of oxygen while undergoing even some small tasks.

Someone carrying all these symptoms cannot be readily considered as a Mesothelioma patient. But if it is confirmed that the person had a long history of working in an asbestos company, if they have dwelled in a place near an asbestos firm, or if there was an indirect way to come in touch with asbestos fibers. It can be assured that together with the combination of all these symptoms the person is very likely suffering from Mesothelioma cancer.
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Mesothelioma is a very rare form of lung cancer that arises in the mesothelium. The mesothelium is made up of parietal and visceral membranes, thin layers of tissue, which surround organs and body cavities, such as the lungs or abdomen. The visceral membrane immediately surrounds the organ, and the parietal membrane is a sac covering. The visceral and parietal membranes that make up the mesothelium. The mesothelium is referred to by different names, depending on what part of the body it is found in.

Dealing with mesothelioma

Dealing with mesothelioma is a very difficult process. It will require a lot of physical and emotional endurances. The best way to understand mesothelioma is to learn everything that you can learn about the disease. This should include the causes, symptoms, diagnosis, treatment and prognosis of mesothelioma- cancer of the lung lining.

Symptoms

Since mesothelioma-cancer of the lung lining takes a long time to develop inside a human body. It is often difficult to identify the symptoms. In the early stages there may not even be any symptoms at all. When they do appear the most common early symptoms are shortness of breath and chest pains.

Presentations and expectations

There are two major types of asbestos: chrysotile and amphibole. It is thought that exposure to the exposure to the amphibole form is more likely to cause mesothelioma-cancer of the lung lining. However, chrysotile has been used more frequently hence many mesothelioma are caused by chrysotile.

Removal is taking place in schools and other public buildings throughout the U.S. . The hope is that these measures will greatly reduce the occurrence of this cancer.

Long-term effects of the disease

A mesothelioma-cancer of the lung lining is a highly aggressive tumor that is generally deadly. Current treatment of malignant mesothelioma-cancer of the lung lining is designed to make the person with cancer comfortable.

Screening

There is no universally agreed protocol for screening people who have been exposed to asbestos. However some research indicates that the serum osteopontin level might be useful in screening asbestos- exposed people for mesothelioma. The level of soluble mesothelin- related protein is elevated in the serum of about 75% of patients at diagnosis and it has been suggested that it may be useful for screening.

Treatment

Once mesothelioma-cancer of lung lining has been diagnosed a treatment procedure can be recommended and begun. The correct treatment will depend on a number of factors. They include the location of the tumor, the stage of the disease and how far the cancer has spread in the patient. The recommendation will also depend on the age and overall health of the patient.

It is certainly not easy to deal with all of the medical, physical, emotional and financial issues that may be raised when dealing with a serious disease like mesothelioma-cancer of lung lining, but it always better to be prepared. We can just have a hope that in future as the medical science advances this incurable disease can also be cured and lives of many people can be saved.

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The Article is written by themesothelioma.org - Mesothelioma Treatment

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Mesothelioma cancer is the growth of malignant cells in mesothelium. This mesothelium lining covers the pleural, peritoneal and pericardial cavities. Pleura is a membrane covering the lungs and it is the most common location where mesothelioma cancer occurs also known as pleural mesothelioma. Peritoneum, the protective covering that lines the abdominal cavity may also develop malignant tumors and cause peritoneal mesothelioma.

Mesothelioma is one of the rarest cancers in the world that is caused only by exposure to asbestos. Its exposure can be direct, by inhalation of asbestos or indirect exposure in which the asbestos particles are inhaled from the clothing, hair, equipment or other articles that were previously exposed to asbestos.

Causes of Mesothelioma
Asbestos is a naturally occurring fibrous mineral that is mined in different parts of the world due to its wide utility in various industries. However, it is a deadly carcinogen too and a mojor cause of mesothelioma and asbestosis.

Asbestos fibers are known to cause cancer of the mesothelium. Asbestos is the fibrous form of several minerals and hydrous silicates of magnesium found under ground. There are 3 types of asbestos, the blue one, the while one and the brown one. Of all these 3 types, the blue one also called amphibole, long and thin in structure is more carcinogenic than white or chrysolite asbestos or the brown one known as amosite.

However, in some cases the brown asbestos has also been found to cause mesothelioma. And it is for this reason that people exposed to asbestos even for a short period are vulnerable to the disease.

Pleural Mesothelioma
Asbestos fibers are very fine and easily make their way to the lungs where they settle down in the parenchyma of the lung and penetrate the pleura that later develops malignant mesothelial plaques.

Pleura, which anchors lungs to the chest cavity, is itself a double-layered membrane. The inner layer called visceral pleura surrounds the lungs, while the outer one, known as parietal pleura, forms the lining of the pleural or chest cavity. The two pleural layers are filled with a fluid that helps them to slide over each other as we breathe. As the disease progresses, the delicate pleural membranes thicken and press the lungs. A fluid secreted by the malignant cells, pleural effusion, may also collect between visceral and parietal pleurae that causes problem in breathing and other complications.

Peritoneum Mesothelioma
The asbestos fibers may also cause cancer in the peritoneum, known as peritoneal mesothelioma. This leads to thickening of the membranes surrounding abdominal organs and collection of a fluid, ascites in the abdominal cavity making it swell.

Though it is yet not clear how peritoneal mesothelioma develops, it is believed that from lungs, the asbestos fibers are transported to abdomen and its organs by the lymphatic system or they may be deposited in the gut through saliva contaminated by the asbestos fibers.

Pericardial Mesothelioma
This is the rarest type of mesothelioma cancer that comprises of only 5% of all the mesothelioma cases. Like other types of mesothelioma cancer, pericardial mesothelioma is also caused by the inhalation of asbestos dust and fibers. The lining of the chest cavity which protects the heart is known as pericardium. It is provided with a natural fluid or mucous that provide continuous lubrication to the heart so that it can work properly and perform its functions.

As the asbestos particles settle further into the lining of the chest or pericardial, the cancer spreads in the body. It destroys the heart tissues and muscles that is very hazardous to life and proves fatal for the patient.

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Malignant mesothelioma detection, like other cancers, can be accomplished with imaging equipment, such as x-ray machines. But once detected, mesothelioma diagnosis is difficult for a number of reasons. First, there is a very extended time period between the exposure to asbestos and the onset of the disease, sometimes as long as 50 to 60 years. Patients would often not think to tell their doctors about working in an asbestos-related job many years earlier.

Second, the typical symptoms of mesothelioma, shortness of breath and coughing, are also symptoms of many other types of lung problems, both cancerous and non-cancerous. Thus, just because a person has these symptoms, it does not in any way provide a mesothelioma diagnosis.
Third, many types of tumors can exist in the serous cavities that are not mesothelioma. These other types of tumors can be non cancerous, or benign, that originate in the tissues of the serous membranes, other than the mesothelium. Or they can be tumors that have migrated from other organs with cancerous growths due to metastases.
Mesothelioma and Imaging Technologies
X-rays and other types of imaging technologies can be used to detect tumors or effusion (build up of fluid) in the body, including mesothelioma detection. A growth in the chest cavity will show up in an X-ray or MRI analysis. But these devices cannot directly determine the type of cancer or provide a mesothelioma diagnosis. They cannot determine whether the tumor is mesothelioma or originates from some other source.

Positron emission tomography (PET) is a type of diagnostic imaging scan that is used for malignant mesothelioma detection. PET scans use the emission of positrons (tiny particles that are emitted from radioactive substances) for the purpose of radiation detection.
Some medical professionals are of the impression that PET scans are the most effective method through which to definitively verify a case of mesothelioma. While they believe that standard imaging techniques like x-rays and MRIs should continue to play a role in diagnosing the disease, it is felt that positron emission tomography is becoming an increasingly valuable tool in the staging and typing of the latent asbestos cancer.
Diagnostic Surgery – Biopsy
To provide a mesothelioma diagnosis, a biopsy is needed. This biopsy then undergoes what is called diagnostic histopathology. Histopathology is a technique where the cells from the tumor are viewed under a high-powered microscope, or electron microscopy. Electron microscopy is considered the gold standard for evaluating tumor material from a biopsy. It is a highly advanced microscope that allows viewing of the tiniest elements of cell tissue.
For mesothelioma diagnosis, a pathologist (a doctor who specializes in disease detection) places the tumor cells in the electron microscope and then views the structure of the individual cells. The mesothelioma cells have a specific shape and pattern, and this allows them to be identified by a very keen pathologist. But mesothelioma cells also look similar to other types of cancer cells, such as adenocarcinoma cells, and this can make the pathologist’s job very difficult. Even with the electron microscope, the different types of mesothelioma cells can be hard to recognize. The three types of cells are epithelioid mesothelioma cancer cells, which are tubular in shape, sarcomatoid mesothelioma cancer cells, which are oval and irregularly shaped, and biphasic mesothelioma cancer cells, which are a combination of shapes. These cells can be confused with other types of cancer cells.
New Methods For Mesothelioma Detection
Due to this diagnostic confusion, much research is underway to find new methods for diagnosis. One method is to evaluate the types of compounds generated by the mesothelioma cancer cells. This is called histochemistry. Histochemical reactions have long been used to distinguish between mesothelial and other types of tumor cells. For example, mesothelial cells are known to produce specific types of carbohydrate compounds. Unfortunately, other types of cells in the body also produce these compounds.
Immunochemistry is also being used to detect mesothelioma. This area of study evaluates the presence of antibodies in the body. Certain types of antibodies are known to be associated with certain types of cancer. But mesothelial cells have no specific types of antibodies that can provide a “positive” marker. Consequently, immunochemistry allows the doctor to “eliminate” the other cancers, but does not indicate the presence of mesothelioma. These techniques offer insight into the disease and may help eliminate other diseases, but none can directly detect mesothelioma.
New Blood Tests for Mesothelioma Detection
SMR Protein: Recently, because of the difficulty in diagnosing malignant mesothelioma, research has concentrated on finding new ways to detect the presence of the disease. Researchers in Australia have found that a certain protein, called SMR or Soluble Mesothelin Related protein, is elevated in patients with mesothelioma. These researchers have suggested that a test for the presence of SMR in the blood could represent a useful marker for the diagnosis and disease progression. They feel that such a diagnosis tool could lead to earlier detection, and thus more effective treatment.
One of the most striking findings of their research was that several asbestos-exposed persons who tested positive for SMR were diagnosed with mesothelioma within three years. They suggested that evaluation of SMR may help to identify persons at risk for this deadly disease. Also, they found that SMR levels increase as mesothelioma progresses, suggesting that SMR evaluation could be used to track the progression of the disease and the effectiveness of treatment
Osteopontin Glycoprotein: In an effort to produce the first early-detection test to screen for malignant mesothelioma, researchers at Wayne State University have been studying the possible link between mesothelioma development and levels of a glycoprotein called osteopontin. Early clinical study findings of 190 patients have demonstrated a link between high levels of osteopontin and the development of malignant pleural mesothelioma.
Although the results are being viewed as preliminary, there is a great deal of excitement surrounding the potential of a blood test capable of screening for mesothelioma in its earliest stages. While there is no known cure for malignant mesothelioma, research is ongoing and certain successes have already been realized in terms of extending survival time beyond the one to two year post-diagnosis average. It is hoped that if mesothelioma specialists have more time through which to conduct treatment on a lesser developed form of the asbestos cancer, the greater a patient’s chance at potential survival.
Despite the fact that the preliminary results of the osteopontin blood test clinical trial have been met with some controversy, the National Cancer Institute (NCI) continues to sponsor additional study.
Tell Your Doctor About Asbestos Exposure
If you or a loved one has been exposed to asbestos, even if it was in the distant past, it is very important that you inform your doctor. One reason why mesothelioma is such a deadly disease is that it is detected late in the disease process. If your doctor knows of the exposure, he or she may be more aware of your symptoms or other health issues that could be used for early detection.

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Mesothelioma symptoms are not specific to the disease, that is, many of the mesothelioma symptoms are the same for other medical problems. Also, most studies show that mesothelioma can occur as much as 30 to 40 years after exposure to asbestos. Thus, when a mesothelioma symptom occurs, many mesothelioma patients do not know that the symptoms they experience are related to something that happened much earlier in their lives. In reality, only a short time period of asbestos exposure, as little as a few months, can create the conditions for a disease that erupts much later in life.

Mesothelioma affects the lining of various cavities in the body. Over time, the growth of the cancerous tumors causes these tissues to expand and gather fluid. The presence of excess fluid is typically what causes the symptoms to occur. The symptoms of the disease will also depend on the location of the tumors.
Pleural Mesothelioma Symptoms
For pleural mesothelioma, which is in the lining surrounding the lung, shortness of breath, chest pain and a persistent cough are common symptoms. Unfortunately, these symptoms are also very common for a number of other ailments, including pneumonia. The most common presenting symptom is localized chest pain, but this may not occur until the disease is well advanced. Coughing and weight loss are not uncommon. Some patients show virtually no symptoms.
Peritoneal Mesothelioma Symptoms
Peritoneal mesothelioma is a cancer of the abdomen lining. Symptoms include swelling or a mass in the abdomen, weight loss and abdominal pain. Also, bowel obstruction and blood clots have been known to occur. Fever is sometimes present.

Pericardial Mesothelioma Symptoms
The lining of the heart is called the pericardium. Pericardial mesothelioma affects this heart lining, causing fluid to gather. Symptoms include chest pain, cough, irregular heart beating and irregular breathing patterns. Many of these symptoms would manifest themselves when patients exert themselves, even with minimal exertion. This type of mesothelioma is the most rare.
With any cancer, the earlier the disease can be detected, the better the prognosis for a treatment that halts the progression.

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Malignant mesothelioma is a rare form of cancer that affects the mesothelial cells of the serous membranes in the body. The most common form of mesothelioma, affecting the lining of the lung, is pleural mesothelioma. Two to three thousand new cases of malignant mesothelioma are diagnosed each year.

The mission of All About Malignant Mesothelioma is to provide a one-stop resource for comprehensive, up-to-date mesothelioma information. We cover the full scope of malignant mesothelioma issues including background, history, risk factors, diagnosis, and treatment. Please recommend the site to someone who may benefit from mesothelioma information.
Introduction to Malignant Mesothelioma
Malignant mesothelioma affects the lining or membranes of certain large cavities in the body. These cavities, called the serous cavities, house certain major organs in the body including the heart, lungs, abdomen and others. The membranes that surround these cavities are called the serous membranes. They serve to protect these major organs from the friction and abrasion that occur as the organs move against each other during typical daily functioning, such as breathing and heart beating. The serous membranes derive from specialized cells called mesothelial cells. These cells form to create the mesothelium, which is the major tissue layer of the serous membranes. Cancer that occurs in the mesothelium tissue is called mesothelioma.

Malignant mesothelioma takes on three forms:
Peritoneal mesothelioma, in the peritoneum or membrane surrounding the abdomen. A rare form of peritoneal mesothelioma can also affect the male testicles, because the lining around the scrotum is an extension of the peritoneum.
Pericardial mesothelioma, in the perdicardium or lining surrounding the heart.
Pleural mesothelioma, which is the most common form of malignant mesothelioma and affects the lining of the lung cavity.
All mesotheliomas are now considered to be malignant, or cancerous. They start as a localized tumor and spread rapidly to include most of the surrounding tissues and organs. Originally, fibrous cists and other non-cancerous growths that appeared in the serous membranes were thought to be mesotheliomas and were termed “benign fibrous mesothelioma” and “multicystic mesothelioma.” These conditions are now known not to originate in the mesothelial cells, but other cells within the serous membranes. These conditions are typically localized, non-cancerous and do not spread rapidly.
Etiology of Malignant Mesothelioma
Most cases of malignant mesothelioma are associated with a previous exposure to fibrous minerals, of which asbestos is the most important. There is now indisputable evidence of the role of these fibers in the development of this disease. This has been demonstrated in animal experiments and many other experiments. Not everyone who is exposed to asbestos fibers has developed malignant mesothelioma, suggesting that other factors may also be involved.
Although malignant mesothelioma is rare, it is a serious, deadly disease. It is often in the advanced stages when it is detected, so the outlook for the patients is not as good as it is for the cancers that are detected earlier. The average survival time after detection is 1 to 2 years. This survival time also depends on the type of mesothelioma.

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The research and studies continue to find a remedy for mesothelioma. It is there that we are trying to update and find new treatments, creative plans, tools and solutions for the management, processing and regulation of the disease and the quality of life for patients with this disease. He takes the patient about their breaths very valuable life.

Evaluation of the efficacy of new treatments, therapies and medicines or medical interventions is currently for most doctors and specialists in this field, a passionate and urgent, and the continuation and the commitment seriously, undisputed. The race has started for a cure to find this rare type of cancer.

The new technology and the procedures that are the subject of trials in experimental and clinical tests and progress, but only small steps at a time. We reserve the secret decommissioning and murderers secrets of the killer cancer.

Here are some examples of some of the progress and the ongoing studies on time:

Combined with Chemotherapy
More than one treatment, both the approaches proved to be satisfactory. The mixed results, sometimes just deepens the complexity of these diseases, which makes it clear that he is no longer here, that meets the eye. The cocktails and mixtures of drugs to be tested in clinical trials on real patients and the results published in medical journals. Most of the patients well respond to treatment and believe that they play their part to the progress of science and the treatment itself, but also many others.

Intra-chemotherapy cavitaires
Invasive internal and aggressive treatment by the application in the treatment of chemotherapy drugs or elements directly into the cavities (like a concentrated, and much higher dose, localized) This is and was a success, with a minimum d ’side effects and the results seem promising. It significantly reduces the damage and the spread something. He is the carrier of hope for other experiments and clinical trials in the coming years.

Brachytherapy or radiation therapy (radioactive) are treatments that directly into the abdomen or chest.

Multimodality combination of therapies and treatments, where the methods used are surgery, chemotherapy and radiation therapy of a patient in order to optimise the success of the disease and to survive, have a quality of life in their last days, and dying with dignity and pain associated with the management of the progressive nature of the disease.

Gene
It is a revolutionary form of treatment and experimental mesothelioma. It consists of a genetically produced viruses and to the impact of the disease, to repair the damage and progression. It attacks the cancer cells and tumors, regions, stains, all in an attempt to intervene and to heal.

Immunotherapy
Patients a fight against change and improve their quality of life, these approaches usually focuses on the immune system, by an impetus to the fight against the disease. It enhances the natural ability to want to restore the balance and to restore itself to heal.

Photodynamic therapy
Photosensibles are medicines for the treatment of tumors or assigned to the zone.

There are many other examples, and always the hope that the cure lies in the magnitude of the next corner! The prosecution and the efforts in this area.

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