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Bladder Cancer:

What is Bladder Cancer Causes?

There is a linear relationship between smoking and risk, and quitting smoking reduces the risk. In a 10 year study involving almost 48,000 men, researchers found that men who drank 1.5L of water a day had a significantly reduced incidence of bladder cancer when compared with men who drank less than 240mL per day.The authors proposed that bladder cancer might partly be caused by the bladder directly contacting carcinogens that are excreted in urine.

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Thirty percent of bladder tumors probably result from occupational exposure in the workplace to carcinogens such as benzidine. 2 Naphthylamine, which is found in cigarette smoke, has also been shown to increase bladder cancer risk.

Occupations at risk are metal industry workers, rubber industry workers, workers in the textile industry, and people who work in printing. Some studies also suggest that auto mechanics have an elevated risk of bladder cancer due to their frequent exposure to hydrocarbons and petroleum-based chemicals.

In the United States, bladder cancers usually start from the cells lining the bladder.

These tumors may be classified based on the way they grow:

1. Nonpapillary tumors are much less common. However, they are more invasive and have a worse outcome.

2. Papillary tumors have a wart-like appearance and are attached to a stalk.

3.Bladder infections do not increase the risk of transitional cell cancers. Parasite infection. In third world countries, infection with the schistosomiasis parasite has been linked to the development of bladder cancer.

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4.About one in four cases of bladder cancer is caused by exposure to cancer-causing chemicals (carcinogens) on the job. Dye workers, rubber workers, aluminum workers, leather workers, truck drivers, and pesticide applicators are at the highest risk. Arylamines are the chemicals most responsible. However, arylamines have been reduced or eliminated in many workplaces.

5.As many as 50% of all bladder cancers in men and 30% in women may be caused by cigarette smoke. People who quit smoking have a gradual decline in risk.

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