Cancer clusters are not common in the United States and determining the existence of such a cluster is extremely difficult. The vast array of cancers coupled with the large quantity of new cases, make cancer a very common disease. The significance of cancer clusters should not be dismissed however there are very few proven cases […]
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Each year approximately 1,000 cases of possible cancer clusters are reported. Of these cases only 5% to 15% are investigated after the initial report. The bulk of the cases are clearly not cancer clusters and researchers can eliminate the possibility with just a bit of research. Out of the 5% to 15% of cases that
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A well-known cancer cluster was discovered in the 1960s and continues to be studied today. The use of asbestos, a naturally occurring mineral, was prevalent in factories, shipyards and building products throughout the 1950s and 1960s. Many individuals who were exposed to asbestos on the job developed a disease known as mesothelioma. Many individuals also
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Heredity and environment are the main contributing factors to the development of cancer. Epidemiologists focus on these two areas when studying cancer clusters. Behavior and lifestyle also contribute to cancer risks so they are also included when studying environment. To establish a connection between an environmental risk factor and a genetic predisposition is difficult. Scientists
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Epidemiology is the study of the factors that cause illnesses and disease with in a population. This field of study is critical in the prevention and spread of communicable and non-communicable disease. Epidemiology is used to identify disease from the outbreak through diagnosis and treatment. Epidemiolgists, those scientists who study the causes of disease, utilize
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The age of a group of individuals will affect the rate of cancer development. Individuals over the age of 45 have a much greater risk of developing cancer than people younger than 45 years of age. Men and women over the age of 60 have an even greater risk of developing some form of cancer.
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The term “cancer cluster” describes the condition when the incidence of cancer occurs in higher numbers than expected in a specific geographic area within a particular time frame. These clusters may also be particular to a workplace or a group of people, such as a family. Families or members of a community often report cancer
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Sarcomatoid mesothelioma is the least common histological type of mesothelioma, but it is the most aggressive. http://www.ncbi.nlm.nih.gov/pubmed/20081811?dopt=Abstract Even more than epithelial mesothelioma, the sarcomatoid form is difficult to diagnose and to distinguish from other diseases. Just looking at the cells under a microscope is not enough, and doctors employ immunohistological tests to distinguish Sarcomatoid mesothelioma
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Epithelial (or epithelioid) mesothelioma is the most common histological type of mesothelioma. Epithelial mesothelioma is a subtype – both pleural and peritoneal mesothelioma may be epithelial or sarcamatoid or biphasic (including both cell types.) Epithelial mesothelioma has a better prognosis than other subtypes. Average life expectancy after diagnosis is longer. As with all types of mesothelioma, asbestos
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Carcinogenesis is defined as the process of cancer growth. Specifically, the term refers to the process by which normal cells in the body mutate into cancer cells. In order for carcinogenesis to occur, damages in healthy cell DNA must occur. For this reason, carcinogenesis is often tied to genetics. However, exposure to certain chemicals and
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