Lung Mesothelioma

Epidemiology of Asbestos


The mesothelioma is cancer which has gained increasingly more space in communication in recent years, however, this type of cancer is still very rare when comparing the numbers of all other cancers. It is also difficult to establish an average number of occurrences, taking into account that varies a lot from country to country. We can, for example, find low rates of 1 to 1 million cases in Tunisia and Morocco, and we can also find rates that reach 30 to 1 million cases per year in England, Belgium, and Australia.

Taking as a yardstick the cases of lung cancer because of smoking, we can establish the ratio of 1000 to 1 million, and the cases of malignant mesothelioma range from 7 to 40 per 1 million in industrialized countries. Of course, these numbers range widely according to the amount of exposure of the population to asbestos.

Looking at overall numbers, it is estimated that about 1-6 people in every 1 million are affected by this disease, and the numbers are likely to increase by this manifest late.

However this increase is expected only in developing countries, is it stopped using asbestos in their interfaces, contrary to what happened in developed countries. The activities of mining and the like, men have a higher incidence rate of mesothelioma than women.

The type of mesothelioma that more is observed is pleural, for medical obvious reasons that we have explained in another article on this blog. What has less prevalence is pericardial, reaching values of less than 0.002 percent of the cases. In cases of peritoneal mesotheliomas are around approximately one-fifth and one-third of cases of mesothelioma.

Between the decades of 40 and 70, for example, about 28 million people in the united states of America were exposed to asbestos. In the 80s the number of patients with pleural mesothelioma among Caucasian men saw an increase of 300 percent, as was the amount of exposure that these people were subject. The amounts were so high, and the consequences so severe that between the decade of 80 until the late 90s there was an increase in 2000 mesothelioma mortality rate for 3000. Within these numbers, four times more men had suffered the disease in relation to women.

We can also analyze the least important data, but that may be of interest.

About 0.5-3.0 per million men a year undergo peritoneal mesothelioma against 0.2-2.0 per one million women a year.

As we could not stop talking: about 80 percent of cases of mesothelioma are caused by exposure to asbestos.

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