A new study indicates that regular blood testing to measure levels of prostate specific antigen (PSA) is more effective at detecting prostate cancer in men with a genetic predisposition to the disease. The research, led by Philipp Dahm of the University of Florida, adds to the growing data that while the PSA blood test detects cancer in its early stages, it does not lead to lowered mortality rates. The American Cancer Society this year changed its guidelines to reflect the growing uncertainty over testing. The primary concern with the PSA antigen test, which is now in its 20th year, is that it can not differentiate between low-risk tumours and aggressive lesions that are often fatal. Dahm and his team note that a single test at 60 may find the men most at risk, who could then have follow-up screenings every year to check for the first signs of cancer. Prostate cancer can be easily treated, if it is found in its early stages. It is the most common malignancy other than skin cancer to occur in U.S. men and is the second biggest cause of death from cancer among men. Most cases occur among men aged in their sixties.
Showing posts with label próstata. Show all posts
Showing posts with label próstata. Show all posts
Wednesday, September 15, 2010
Próstata
A new study indicates that regular blood testing to measure levels of prostate specific antigen (PSA) is more effective at detecting prostate cancer in men with a genetic predisposition to the disease. The research, led by Philipp Dahm of the University of Florida, adds to the growing data that while the PSA blood test detects cancer in its early stages, it does not lead to lowered mortality rates. The American Cancer Society this year changed its guidelines to reflect the growing uncertainty over testing. The primary concern with the PSA antigen test, which is now in its 20th year, is that it can not differentiate between low-risk tumours and aggressive lesions that are often fatal. Dahm and his team note that a single test at 60 may find the men most at risk, who could then have follow-up screenings every year to check for the first signs of cancer. Prostate cancer can be easily treated, if it is found in its early stages. It is the most common malignancy other than skin cancer to occur in U.S. men and is the second biggest cause of death from cancer among men. Most cases occur among men aged in their sixties. 
Tuesday, August 05, 2008
A prevenção na próstata
Cada vez mais, a prevenção é o melhor caminho para melhorar a qualidade de vida das pessoas. Nas mulheres, é típico e necessário realizar a mamografia por volta dos 40 anos, nos homens, o controlo da próstata também deve ser iniciado por volta dos 40 anos.
- Men over the age of 75 should no longer be screened for prostate cancer because the potential harm from the test results -- both physical and psychological -- outweighs any potential benefit from treatment, a federal panel said Monday.
- Most oncologists already argue against treating most men in that age group for prostate cancer because they are more likely to die from some other cause than from their tumor.
Pois, parece que a partir de certa idade a prevenção já não é desejável. E porquê? Parece que por isto: The new guidelines go one step further, saying, in effect, why test if the patient is unlikely to be treated?
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