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Genes may play role in risk assessment for prostate cancer among Hispanics and caucasians
Date:5/14/2008

PHILADELPHIA Genetic differences may explain the greater risk for prostate cancer among Caucasian men compared with Hispanic men, which could help clinicians predict who is more likely to develop the disease, according to a paper published in the May 15, 2008, issue of Clinical Cancer Research, a journal of the American Association for Cancer Research.

Currently, the most common method for assessing risk for prostate cancer is the prostate specific antigen test, but this method can identify tumors that may not be a threat to the health of a man and misses other tumors.

Men typically have this test after they turn 50 years old, and it can spot a tumor that may not cause a problem in a mans lifetime if left untreated. It could be more likely that a man will die from heart disease or some other ailment before his prostate cancer would kill him. At this point, it is not possible to accurately tell which tumors will be the more aggressive ones with our current screening tests. This mean that we may be screening and treating some men unnecessarily, said Kathleen Torkko, Ph.D., an instructor in the Department of Pathology at the University of Colorado Denver. The goal of research like this is to better classify a disease so we can move toward better management and treatment.

Prostate cancer is the most commonly diagnosed non-skin cancer and one of the 10 leading causes of death among American men. Compared with white men, Hispanic men have higher rates of cancer overall, but the rate of prostate cancer among Hispanic men, falling just above Asian Americans, is one of the lowest.

This may be due to the fact that we simply are not looking enough because Hispanic men may not have access to screening or could be reluctant to undergo some of the screening procedures that are becoming routine among Caucasian men, said Torkko.

Torkko and colleagues observed 932 white men and 414 Hispanic men from south Texas. They analyz
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Contact: Jeremy Moore
Jeremy.moore@aacr.org
267-646-0557
American Association for Cancer Research
Source:Eurekalert

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