Signs and symptoms

Symptoms or signs of mesothelioma may not appear until 20 to 50 years (or more) after exposure to asbestos. Shortness of breath, cough, and pain in the chest due to an accumulation of fluid in the pleural space (pleural effusion) are often symptoms of pleural mesothelioma.

Symptoms of peritoneal mesothelioma include weight loss and cachexia, abdominal swelling and pain due to ascites (a buildup of fluid in the abdominal cavity). Other symptoms of Peritoneal Mesothelioma may include bowel obstruction, blood clotting abnormalities, anemia, and fever. If the cancer has spread beyond the mesothelium to other parts of the body, symptoms may include pain, trouble swallowing, or swelling of the neck or face.

These symptoms may be caused by mesothelioma or by other, less serious conditions.

Mesothelioma that affects the pleura can cause these signs and symptoms:

• Chest wall pain
• Pleural effusion, or fluid surrounding the lung
• Shortness of breath
• Fatigue or anemia
• Wheezing, hoarseness, or cough
• Blood in the sputum (fluid) coughed up (hemoptysis). 

In severe cases, the person may have many tumor masses. The individual may develop a pneumothorax, or collapse of the lung. The disease may metastasize, or spread, to other parts of the body.

Tumors that affect the abdominal cavity often do not cause symptoms until they are at a late stage. Symptoms include:

• Abdominal pain
• Ascites, or an abnormal buildup of fluid in the abdomen
• A mass in the abdomen
• Problems with bowel function
• Weight loss

In severe cases of the disease, the following signs and symptoms may be present:

• Blood clots in the veins, which may cause thrombophlebitis
• Disseminated intravascular coagulation, a disorder causing severe bleeding in many body organs
• Jaundice, or yellowing of the eyes and skin
• Low blood sugar level
• Pleural effusion
• Pulmonary emboli, or blood clots in the arteries of the lungs
• Severe ascites

A mesothelioma does not usually spread to the bone, brain, or adrenal glands. Pleural tumors are usually found only on one side of the lungs.

Mesothelioma (Asbestos) Tax Lawyer

Mesothelioma (Asbestos) Tax Lawyer

For the past years in the Unites States there has been a gigantic increase in mesothelioma cases. In effect new breed of  specialized lawyers who deals with mesothelioma (a.k.a Asbestos) rises everywhere in the country.

Mesothelioma lawyers specializes in cases dealing with mesothelioma and asbestos victims who wish to claim compensations or file a lawsuit against companies that were negligent for their exposure to asbestos.

What is an Asbestos?

It was on the 20th century that asbestos were first discovered. At first people were happy upon the discovery of such as it became an ideal material for the progression of the construction industry.

However, it has medical researchers found out that exposure to asbestos fibers and dust can lead to “asbestosis”~ a disease in the lungs caused by the inhalation of asbestos particles.

This is the reason why Mesothelioma lawyers were seek most in the country. Specialized lawyers in this field often gives justice and relief to victims by helping them win their cases. Filing a solid lawsuit against companies neglecting their employees’ rights’ , these competent Mesothelioma lawyers help victims collect millions of dollars in compensating for the victim.

In such cases where the family of the victim or the victim knows nothing about the disease, it is expected that they became depressed as soon as they learn about it. It is advisable then that intricate details between the lawyer should be thoroughly discussed by the family members.

FEES

In terms of fees, most Mesothelioma lawyers works on a contingency basis, this means that until you receive the compensation of the company, they will not receive anything in return. Thus they should do their best to help you win the case as failed lawsuits leads to free of charge.

Mesothelioma (Asbestos) Tax Lawyer

• Mesothelioma Pictures
• Mesothelioma (Asbestos) Tax Lawyer

What is Mesothelioma?

What is Mesothelioma?

Mesothelioma is a rare form of cancer that can arise in the mesothelial lining of the lungs, heart or abdomen. Some cases have even been reported to develop in the lining of the testicles as well. These four types of mesothelioma are called pleural mesothelioma (lung), pericardial mesothelioma (heart), peritoneal mesothelioma (abdomen) and testicular mesothelioma.

Combined, these cancers affect 2,000 to 3,000 people in the United States each year. Receiving a diagnosis can be difficult due to the similarity of symptoms to other, more common conditions and doctors may overlook mesothelioma as a diagnosis. Another contributing factor that makes these cancers difficult to diagnose is the severe latency period of symptoms. From the time of someone's initial exposure to asbestos, the primary cause of mesothelioma, signs of development may take as long as 20 to 50 years to arise.

In an effort to help patients understand mesothelioma, Asbestos.com offers a complimentary packet that contains treatment options and other helpful resources tailored to your specific diagnosis. The packet also covers the nation's top mesothelioma doctors and cancer centers, as well as financial assistance options to help cover medical costs. To receive your packet in the mail, please enter your information below.

http://www.asbestos.com/mesothelioma/what-is-mesothelioma.php

What is Mesothelioma?

• Diagnosis of Mesothelioma Symptoms Health
• Chemoradiation In Cancer Therapy
• Cancer Support through Mesothelioma Lawyers

Diagnosis of Mesothelioma Symptoms Health

Diagnosis of Mesothelioma Symptoms Health

The onset of mesothelioma symptoms usually takes a long time. The first symptom is often a constant chest pain. This pain is later accompanies by difficulty breathing due to an accumulation of fluid in the chest. Other symptoms include coughing, fever and weight loss. Mesothelioma can be diagnosed by your doctor with a chest CT-scan.

What Needs to Happen?

After a positive mesothelioma diagnosis, your doctor will discuss the available treatment options. Many newer treatments promise to improve patients quality of life and add several years of life. What may not be explained the that the disease is not a random act of nature, but the result of a dangerous product that was used despite evidence of the harm it would cause. Companies have had to pay workers billions of dollars to compensate them and their families for this wanton disregard of human life and safety.

Will there be a lawsuit?

Most people are reluctant to take legal action. However, Mesothelioma presents a nearly 100% certainty that someone or a company is at fault. If the person's work history can be traced, the likelihood is that a very large settlement awaits the victim. Your attorney can explain the details, but most claims settle out of court very quickly, unlike many other types of cases.

How much will I get?

The amount of the settlements varies greatly, but usually start at half million to several million. The award is based on many factors such as the amount of funds available, the duration and location of the asbestos exposure, the persons overall health. Your attorney will know how to maximize the recovery to get the most compensation for you and your family.

Diagnosis of Mesothelioma Symptoms Health

• Mesothelioma Basics
• Symptoms of Mesothelioma of the Heart
• Symptoms of Mesothelioma of the Abdomen
• Symptoms of Mesothelioma of the Lungs
• Mesothelioma Diagnosis

Cancer Support through Mesothelioma Lawyers

Cancer Support through Mesothelioma Lawyers

Mesothelioma lawyers are available to discuss the potential compensation for mesothelioma cases. The experience and knowledge of seasoned mesothelioma lawyers is often necessary to identify the specific cancer-causing, asbestos containing products that might have exposed an individual to dangerous inhalation of asbestos fibers. They act as a guide to step their clients through a mesothelioma lawsuit. Most mesothelioma lawyers take professional pride in handling each mesothelioma case with careful attention to detail, thus providing an individualied client approach.

Many people prefer to choose a nationally recognized mesothelioma lawyer to handle their lawsuit. This is because the experience an attorney possesses is a large influence on the overall case outcome. Working with an acclaimed legal firm is a help to clients who benefit from their expertise. Additionally, these successful professionals hold a long-standing track record of successful mesothelioma lawsuits. For anyone that suspects they might have been exposed to asbestos, often the first step is obtaining the right legal counsel.

Symptoms or signs of mesothelioma may not appear until years after exposure. Shortness of breath, coughing, and chest pains due to fluid build-up in the lungs are often symptoms of pleural mesothelioma. Other symptoms include weight loss, abdominal swelling, and pain due to fluid in the abdominal cavity, blood clotting abnormalities, anemia, and fever. If the cancer has spread beyond the initial diagnosed affected body parts, it may mean the disease has metastasized to other parts of the body forming tumors, but this is a very late stage symptom of cancer.

Mesothelioma lawyers try to help mesothelioma sufferers receive adequate compensation to cover their increasing medical expenses and lost wages. It's also true that a large number of mesothelioma lawyers represent This is often the best option for many individuals who need to hire a mesothelioma lawyer.

The thought of initiating a lawsuit may be intimidating because prospective clients don't know what to expect or how the legal process works. Every mesothelioma client is a unique but shares the sadness that their life has been harmed through the negligence of others. Thus, mesothelioma lawyers try to provide constant communication with their clients. Mesothelioma is a life threatening disease and mesothelioma lawyers are willing to provide clients and their families the compassion, research, time, and respect they deserve.

Vicki is interested in mesothelioma and keeps up to date on the latest developments by reading www.mesotheliomanews.com on a regular basis.

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Cancer Support through Mesothelioma Lawyers

Malignant Mesothelioma Following Radiation

Malignant Mesothelioma Following Radiation
The strong association between asbestos exposure and malignant mesothelioma has been widely accepted since 1960. Although asbestos is the primary etiologic agent for this tumor, a significant number of patients who develop mesothelioma have no known asbestos exposure. Radiation, nonasbestos mineral fibers, organic chemicals, chronic inflammation, and simian virus 40 (SV40) exposure have also been suggested as risk factors for mesothelioma in humans.

Because asbestos is ubiquitous, past exposures are often difficult to quantitate. Past asbestos exposure may be assessed by a standardized questionnaire that collects information on occupational, paraoccupational, environmental, and domestic contact with asbestos from insulation, mining, milling, heating trades, shipyard work, and construction. 


However, the long latency period of 20 years or longer from the onset of exposure to the development of malignant mesothelioma likely influences the accuracy of the exposure information obtained.

More objective evidence of asbestos exposure includes radiologic findings such as bibasilar fibrosis and calcified pleural plaques, the presence of asbestos fibers in sputum or bronchoalveolar lavage samples, and evidence of interstitial fibrosis or ferruginous bodies in lung tissue. 


These criteria have been used to try to exclude asbestos as the causal factor in some cases of mesothelioma.

In published case series, the proportion of mesothelioma cases that have an asbestos exposure history ranges from 16% to 77%. Of 668 patients who died of malignant mesothelioma in Canada and the United States from 1960 to 1975, only 50% of men and 5% of women had known asbestos exposure. 


Occupational asbestos exposure in women and children is rare; therefore, most asbestos exposure in these individuals is thought to come from a household member who is employed in an asbestos industry.

The occurrence of malignant mesothelioma in children may not be related to asbestos at all. In a report of 13 children diagnosed with mesothelioma in the United States, the short latency period from the time of exposure to tumor development and the absence of geographic clustering argued against an environmental cause for this malignancy in children.

Therefore, the disease appears to have a “natural” incidence of undetermined origin. Radiation is a possible etiologic agent for mesothelioma that may act independently or may have a synergistic effect with asbestos.


Malignant Mesothelioma Following Radiation

• Mesothelioma and Asbestos Exposure
• Diagnosing Mesothelioma is Difficult

Mesothelioma and Asbestos Exposure

Mesothelioma and Asbestos Exposure
It was the Conference on the Biological Effects of Asbestos at the New York Academy of Sciences, organized by Irving Selikoff in November 1964 , that put both mesothelioma and asbestos on the map. Before that meeting, few people in the scientific or general community had much knowledge of either subject. 


There they learned the nature and numerous essential industrial uses of a group of naturally occurring mineral fibers, collectively known as asbestos, although in fact comprising at least five distinct materials, chemically, physically, and geologically. Of these, chrysotile, a serpentine mineral mined mainly in Quebec and the Ural mountains of Russia, made up over 90%. 


Of the remainder the two most important were crocidolite and amosite, produced mainly in South Africa and Australia, both amphibole minerals with distinctive qualities valuable for heat insulation, naval marine use, and the production of large-bore cement pipes. 


Two other amphibole mineral fibers were anthophyllite, of limited production in Finland, and tremolite, little used, though by far the most widespread geologically. 


Presenters at the conference stated that within some 20 years of the first industrial exploitation of asbestos in the 1880s, workers heavily exposed to airborne fiber and dust developed a distinctive, seriously disabling and sometimes fatal diffuse pulmonary fibrosis, later termed asbestosis. 


Little was done to limit exposure until the late 1930s, when after a well-conducted survey of four asbestos textile plants in North Carolina, Dreessen et al (2) and others of the U.S. Public Health Service recommended in 1938 that a workplace dust concentration of 5 million particles per cubic foot (about 15 fibers/mL) should not be exceeded. 


Mainly because of the Second World War, this recommendation was not implemented; and probably for the same reason it went unnoticed that there were case reports by some German pathologists of malignant tumors of the pleura and peritoneum in men with asbestosis. Thus it was only in the 1950s that the causal association of asbestos exposure with lung cancer in the United Kingdom, and later with mesothelioma in South Africa , was recognized.

Until that time even the very existence of primary malignancies of the mesotheleum was questioned by reputable pathologists. Looking back, however, a review by Saccone and Coblenz in 1943 had included the identification of over 40 cases in autopsies published since 1870, and referred to two cases of “endothelioma” reported in 1767 by Lieutaud in France among 3000 autopsies. 


That mesothelial cancers in low frequency probably occurred well before the industrial use of asbestos is discussed more fully later. Indeed, a low background incidence of unknown etiology has almost certainly continued, affecting both children and adults.


Mesothelioma and Asbestos Exposure

• Diagnosing Mesothelioma is Difficult
• The Stigma of Lung Cancer Why Are Lung Cancer
• Identification of Asbestos

Diagnosing Mesothelioma is Difficult

Diagnosing Mesothelioma is Difficult

Mesothelioma is a very hard disease to diagnose, because symptoms are like those of a number of other diseases. A doctor's diagnosis of a patient suspected of having mesothelioma begins with a review of their medical history. Exposure to asbestos in years past (event more than 30 years prior) will increase a doctor's suspicion for mesothelioma. 

A physical examination, chest X-rays and lung function tests will follow itial suspicions. X-ray's may show pleural thickening that are often seen after asbestos exposure which may further give believe that a patient has mesothelioma. CT (CAT) scans or MRIs are also usually conducted. If these analysis show large amounts of fluid, abnormal cells may be detected if this fluid is aspirated or removed with a syringe. If this is pleural fluid, a pleural tap (a chest drain) may be conducted.

Diagnosing Mesothelioma is Difficult

• Mesothelioma Basics
• Symptoms of Mesothelioma of the Hear

Identification of Asbestos

Identification of Asbestos
Over the years much data have been accumulated about asbestos, which suggests that amphibole asbestos and its nonasbestos analogues possess very different biologic potential.


 Davis et al demonstrated that although asbestiform tremolite was extremely carcinogenic when
injected into peritoneal cavities of rats, nonasbestiform tremolite samples had little or no carcinogenic potential. Therefore, it is important to distinguish between asbestiform and nonasbestiform amphiboles and types of fibers in bulk, air, and tissue samples. 


There are some problems related to the mineralogic techniques necessary to prepare and characterize samples. The designation of the shape and size of fibrous materials can be relatively easily revealed by optical examination. Optics became the technique of choice to investigate the occurrence of inorganic fibrous airborne particulates at occupational sites, in schools, or any buildings, and even outdoors where filters could be set up to obtain a representative aliquot of the air. 


However, the light (optical) microscope does not have enough spatial resolution and so is not sufficient on its own for positive identification of minerals. It is difficult to identify some fibers such as chrysotile in the tissue samples under the optical microscope because of the small fiber sizes. Since the small fiber size of chrysotile in the tissue samples preclude the use of optical microscopes, morphologic, chemical, and structural identifications are done by combinations of methods in order to makeunambiguous mineral identifications. 


The crystal chemical range of potentially hazardous inorganic and mineral species should be accurately identified. Morphologic identifications can be performed by using transmission electron microscopy (TEM) and scanning electron microscopy (SEM). Chemical information is most commonly obtained by energy dispersive spectroscopy (EDS) or wavelength dispersive spectroscopy (WDS), which is an integral part of SEM or TEM. 


A relative error percentage for EDS is about 10% and for WDS is about 1%. Therefore, EDS provides only semiquantitative information, but WDS provides more quantitative information on chemical composition of the sample. 


Crystal structures can be determined by electron diffraction (ED) on samples. Powder x-ray diffraction (XRD) is a powerful technique providing that enough material is available, but not for a mineral present at low percentage in tissue and air samples. Certain regulations may require specific species of amphiboles; thus, quantitative chemical data may be necessary. 


For example, substitution solid solution series of amphiboles, such as a tremolite and an actinolite, must be identified. The SEM studies combined with EDS may not be conclusive because of the lack of information on the mineral structure. It is also very difficult to observe chrysotile through the electron microscope because of its beam sensitivity. 


Analysts tend to measure fibers that are more stable under beam conditions. Lung burden studies indicate that chrysotile is often inhaled as a shorter fiber than amphiboles. Therefore, in a tissue with both amphibole and chrysotile, it is possible to make a misjudgment unless the fibers are identified individually. 

The levels of sensitivity using the high-resolution techniques now available mandate that we follow up the reactions delineated as interference of inorganic materials in the biologic environment. The information on the inorganic fibrous particulates can be matched with the equally high-resolution techniques applied to analyses of tissues, with data gathered at the cellular and molecular levels. 

The advances in techniques increase the possibilities that we can test hypotheses and, it is hoped, gain greater understanding from the anatomic to the genetic of the reactions that lead to induction of disease. Coordinating ultramicroscopic levels with the health and mineralogic investigations for a particular geographic area should enable us to refine the possibilities. The exchange of information among the several disciplines is needed to advance our knowledge.

Identification of Asbestos

• Diagnosing Mesothelioma is Difficult
• The Stigma of Lung Cancer Why Are Lung Cancer

Asbestos Mineralogy and Health Effects

Asbestos Mineralogy and Health Effects

Fibers and fibrous minerals, for example, the asbestos minerals, erionite (one of the many natural and synthetic zeolite species), fiberglass, or other silica forms (diatoms) have been shown to be extremely hazardous. Their airborne character is paramount, and the specific gravity of the species, the size, and an appropriate morphology that permits suspension are of primary consideration. 

Asbestos as a ubiquitous natural resource refers to several types of fibrous minerals formed by earth processes and made up of microscopic bundles of fibers. The dangers associated with inhalation of asbestos fibers haveeen known for more than 30 years. Asbestos is known as a group A human carcinogen. The potential hazards of exposure to asbestos materials are of concern worldwide. 

There are several modes of exposure to airborne fibers including occupational exposure and the erosion of natural deposits in asbestos-bearing rocks. Asbestos may also be dispersed in water from a number of sources, including erosion of natural deposits, corrosion, and disintegration of asbestos materials. Governments and industries have introduced regulatory measures requiring safety controls throughout the product life cycle to limit asbestos exposure to the general public and workers. 

Although asbestos materials have been well documented as to their physical and chemical characteristics, they remain under investigation both by mineralogists studying geologic aspects and by pathologists/epidemiologists studying medical aspects. The term asbestos may be well known, but the precise definition, safe level of exposure, duration of exposure, and asbestos types of these fibrous materials still raise questions and often lead to differences of opinions and arguments as well as legal disputes.

Asbestos Mineralogy and Health Effects

• Mesothelioma Treatment Video
• Mesothelioma Doctors
• Mesothelioma is an Incurable Asbestos Cancer

Treatment Options for Peritoneal Mesothelioma

Treatment Options for Peritoneal Mesothelioma
Mesothelioma is a pernicious human that is directly linked to asbestos danger. By the quantify this someone is diagnosed the disease is ordinarily fine progressive. Signs and symptoms may not materialise until 20 to 60 age after being unprotected to asbestos. If diagnosed with Mesothelioma, it is insistent to become knowing nearly the divers forms of Mesothelioma treatment due to the offensive spatiality of this disease.

Mesothelioma attacks the mesothelium or the conserving application that covers and protects more of the body's intrinsic organs. One grade of this venomous sign is Peritoneal Mesothelioma. It invades the peritoneum or the unhealthy application that houses the tum, liver, spleen, pancreas and intestines.

Peritoneal Mesothelioma accounts for less than a human of all Mesothelioma cases. It is the merchandise most vernacular taxon of Mesothelioma after Pleural Mesothelioma. Symptoms of Peritoneal Mesothelioma include, but are not specific to, abdominal discomfit, weakness, departure of appetency, coefficient failure, abdominal swelling and bowel obstructer.

In organisation for halal Mesothelioma communicating to begin, several factors staleness prime be seized into benignity. Info such as the extent of the mansion, the uncomplaining's overall eudaemonia, other examination chronicle and age, should be evaluated. These details need to be appropriated into chronicle to ascertain the unexcelled Mesothelioma handling for an individualistic diagnosed with Peritoneal Mesothelioma.

The most average forms of communication for an unshared diagnosed with Peritoneal Mesothelioma are surgery, irradiation, chemotherapy and curative therapies. Surgery may be performed to disappear component of the facing and tissue from the venter, depending on the progress of the individual and the size and positioning of the neoplasm(s).

Another state of Mesothelioma discourse for Peritoneal Mesothelioma is radioactivity therapy. Vast force x-rays are victimized for the intent of decrease tumors. Emission can be administered either externally or internally. Externally, a organization is set surface the embody to eject therapy to the germ of the human. A publication of radiation can also be internally placed on the touched expanse in the comic of destroying cancerous paper.

Chemotherapy is added identify of Mesothelioma discourse victimised to engagement Peritoneal Mesothelioma. This typewrite of handling uses drugs to undo individual cells. These can be specified either in tablet appearance or intravenously. The chemotherapy drugs save the blood water and negative off cancerous cells as it makes its way finished the body.

Cure therapy is also victimised as a spatiality of Mesothelioma management. Ascites, or fluid increase, oftentimes takes property in the stomach when an individualist suffers from Peritoneal Mesothelioma. To absolve somatesthesia and to represent the tolerant much homey agent is extracted by use of needles and suction.

Once your designation is inveterate and you soul begun handling, it is modality that you act the advice of an professional who specializes in asbestos-related malady. If a historic employer negligently unclothed you to asbestos, you are most liable to be entitled to a monetary gift to concealing your scrutiny bills, your somatesthesia and pain, and yet correctional restitution against a slack employer. Peritoneal Mesothelioma is a rattling arduous person to deal; you can rely on your attorney to act in your good interests.

Peritoneal Mesothelioma is a toxic mortal that is attributed to asbestos exposure. If diagnosed, it is insistent to be knowledgeable of all communication options. As solon search is performed in the area of Mesothelioma treatment, added distance to combat this venomous disease present embellish available.
source : Symptoms of mesothelioma

• Malignant Mesothelioma Following Radiation
• Definition of Asbestos
• Mesothelioma and Asbestos Exposure

Mesothelioma Malignant mesothelioma

Mesothelioma Malignant mesothelioma
Malignant mesothelioma is a rare type of cancer that occurs in the thin layer of cells lining the body's internal organs, known as the mesothelium. There are three recognized types of mesothelioma. Pleural mesothelioma is the most common form of the disease, accounting for roughly 70% of cases, and occurs in the lining of the lung known as the pleura. Peritoneal mesothelioma occurs in the lining of the abdominal cavity, known as the peritoneum and pericardial mesothelioma originates in the pericardium, which lines the heart.

An individual may be at risk to develop mesothelioma if he or she was exposed to asbestos in the workplace or at home. Mesothelioma is caused by exposure to asbestos and the inhalation of asbestos particles. In most cases, mesothelioma symptoms will not appear in an individual exposed to asbestos until many years after the exposure has occurred.

Those with a past asbestos exposure history experiencing symptoms should consult a physician with experience in accurately diagnosing mesothelioma. The earlier mesothelioma is diagnosed, the more likely it is to be caught at an early stage. At earlier stages of mesothelioma progression, more treatment options are available and oftentimes a better prognosis is given.

Mesothelioma Malignant mesothelioma

• Mesothelioma and Asbestos Exposure
• Diagnosing Mesothelioma is Difficult

Asbestos

Asbestos  from Greek ἄσβεστος, "unquenchable" or "inextinguishable") is a set of six naturally occurring silicate minerals exploited commercially for their desirable physical properties. They all have in common their asbestiform habit, long, (1:20) thin fibrous crystals. 

The inhalation of asbestos fibers can cause serious illnesses, including malignant lung cancer, mesothelioma (a formerly rare cancer strongly associated with exposure to amphibole asbestos), and asbestosis (a type of pneumoconiosis). Long exposure to high concentrations of asbestos fibers is more likely to cause health problems. The European Union has banned all use of asbestos and extraction, manufacture and processing of asbestos products.

Asbestos became increasingly popular among manufacturers and builders in the late 19th century because of its sound absorption, averagetensile strength, and its resistance to fire, heat, electrical and chemical damage. It was used in such applications as electrical insulation for hotplate wiring and in building insulation. When asbestos is used for its resistance to fire or heat, the fibers are often mixed with cement(resulting in fiber cement) or woven into fabric or mats. Commercial asbestos mining began in the Eastern Townships of Quebec, Canada and the world's largest asbestos mine is located in the town of Asbestos, Quebec.

Asbestos

• Identification of Asbestos
• Asbestos Mineralogy and Health Effects

Defenition of Mesothelioma

Defenition of Mesothelioma
Mesothelioma, more precisely malignant mesothelioma, is a rare form of cancer that develops from the protective lining that covers many of the body's internal organs, the mesothelium. It is usually caused by exposure to asbestos.

Its most common site is the pleura (outer lining of the lungs and internal chest wall), but it may also occur in the peritoneum (the lining of the abdominal cavity), the pericardium (a sac that surrounds the heart), or the tunica vaginalis (a sac that surrounds the testis).

Most people who develop mesothelioma have worked on jobs where they inhaled asbestos and glass particles, or they have been exposed to asbestos dust and fiber in other ways. 

It has also been suggested that washing the clothes of a family member who worked with asbestos or glass can put a person at risk for developing mesothelioma. Unlike lung cancer, there is no association between mesothelioma and smoking, but smoking greatly increases the risk of other asbestos-induced cancers. 

Those who have been exposed to asbestos have collected damages for asbestos-related disease, including mesothelioma. Compensation via asbestos funds or lawsuits is an important issue in law practices regarding mesothelioma (see asbestos and the law).

The symptoms of mesothelioma include shortness of breath due to pleural effusion (fluid between the lung and the chest wall) or chest wallpain, and general symptoms such as weight loss. The diagnosis may be suspected with chest X-ray and CT scan, and is confirmed with abiopsy (tissue sample) and microscopic examination.

A thoracoscopy (inserting a tube with a camera into the chest) can be used to take biopsies. It allows the introduction of substances such as talc to obliterate the pleural space (called pleurodesis), which prevents more fluid from accumulating and pressing on the lung. Despite treatment with chemotherapy, radiation therapy or sometimes surgery, the disease carries a poor prognosis. Research about screening tests for the early detection of mesothelioma is ongoing.

Defenition of Mesothelioma

• Diagnosing Mesothelioma is Difficult
• The Stigma of Lung Cancer Why Are Lung Cancer
• Identification of Asbestos

Symptoms of Mesothelioma of the Lungs

Symptoms of Mesothelioma of the Lungs

Mesothelioma of the lungs is called pleural mesothelioma. Symptoms of mesothelioma may not appear for 20 to 40 years after exposure and sometimes longer. Around 3000 people are diagnosed with malignant mesothelioma each year. Roughly 2/3 of mesothelioma cases are Pleural mesothelioma. Pleural mesothelioma occurs in the lining of the lungs called the pleural membrane.

Pleural mesothelioma is caused by the inhalation of asbestos fibers. Once the asbestos fibers are brought into the lungs, they find their way to the pleural membrane. Over time, typically 20 years and more, the accumulation of these fibers begins to scare the lining of the lungs. The scaring causes tumor growth on the lungs and ultimately cancer. The cancerous cells prevent the creation of healthy cells and ultimately the pleural member thickens. As a result, lung capacity is reduced and fluid begins to fill between the pleural layers.

Symptoms of mesothelioma of the lungs (Pleural Mesothelioma) include:

• Dry or raspy cough
• Night sweats
• Fever
• Unexplained weight loss (10% or more)
• Difficulty in swallowing
• Fatigue
• Persistent pain in the chest
• Painful breathing
• Coughing up blood
• Wheezing
  
• Shortness of breath (even during rest)
• Lumps under the skin on the chest

Symptoms of Mesothelioma of the Lungs

CT Scan of Mesothelioma Patient

CT Scan of Mesothelioma Patient
The image to the left is a CT scan of a patient that has been diagnosed with mesothelioma. This coronal section shows the follow parts of the body with the mesothelioma indicated by yellow arrows. The collection of fluid (central pleural effusion) is indicated with a yellow *.

1. right lung
2. spine
3. left lung
4. ribs
5. descending part of the aorta
6. spleen
7. left kidney
8. right kidney
9. liver

CT Scan of Mesothelioma Patient

Mesothelioma Pictures

Positive or Suspicious Cytology

Positive or Suspicious Cytology

During the diagnosis process, if the cytology is positive or suspicious, a biopsy will be needed to determine if mesothelioma is present. A pathologist will examine a sample of tissue (that has been removed by a doctor) under microscope. 

Depending on where the suspicious area is located, a biopsy may be done in different ways. During a thoracoscopy of the chest, the doctor makes a small incision through the chest wall and will put a narrow, lighted tube called a thoracoscope into the chest between the ribs. A thoracoscopy will allow the doctor to see inside the chest and obtain tissue samples.