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Why Bladder Cancer Is Deadlier for Some
Date:1/8/2009

ROCHESTER, N.Y., Jan. 8 /PRNewswire-USNewswire/ -- Bladder cancer is much more likely to be deadly for women and African-Americans, but the reasons long believed to explain the phenomenon account for only part of the differences for such patients compared to their white and male counterparts, according to results published in the Jan. 1 issue of the journal Cancer.

The results present a stark question for doctors and patients: If age, tumor type, and stage of the disease upon diagnosis don't account for all the increased lethality of the disease in women and African-Americans, then what does?

It's a gaping question facing researchers who have long confronted an irony of bladder cancer, the fifth-most-common type of cancer in America. The disease is more lethal in those patients who are less likely to get it.

Men are more than three times as likely as women to get the disease, and white people are nearly twice as likely to get the disease as African-Americans. Yet, once the disease is present, it's far deadlier in women and in African-Americans -- anywhere from 73 percent to 114 percent more deadly in the first year after diagnosis, depending on the group.

In the Cancer paper, scientists and physicians at the University of Rochester Medical Center show for the first time that the factors traditionally thought to be responsible for the differing course are responsible for only about one-third of the difference between white men and women, and up to two-thirds of the difference between African-Americans and their white counterparts.

"We've known that the disease is likely to be more advanced in women and African-Americans by the time they're diagnosed," said corresponding author Edward Messing, M.D., a surgeon well known for his expertise in treating patients with bladder cancer. "Like many doctors, I long assumed that
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SOURCE University of Rochester Medical Center
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