75+ men should not be screened for prostate cancer: Experts

August 6th, 2008 - 1:24 pm ICT by ANI  

Washington, Aug 6 (ANI): Men age 75 and above should not undergo prostate cancer screening, according to a new recommendation from the U.S. Preventive Services Task Force.

The recommendation also states that younger men should discuss the benefits and harms of the prostate-specific antigen (PSA) test with their clinicians before being tested.

The recommendation and accompanying evidence summary appear in the August 5 issue of the Annals of Internal Medicine.

The Task Force found evidence that screening for prostate cancer provided few health benefits but led to substantial physical harms and some psychological harms in men age 75 and older.

In men younger than 75, the Task Force concluded that current evidence is insufficient to assess the balance of benefits and harms of prostate cancer screening.

An estimated 218,890 U.S. men were diagnosed with prostate cancer in 2007, and one in six men will be diagnosed in his lifetime.

Screening for prostate cancer is most often performed using PSA tests and digital rectal exams. The PSA test is more likely to detect prostate cancer than the digital rectal exam.

However, prostate cancers that are found with a PSA test take years to affect health; most prostate cancers that grow serious enough to cause death take more than 10 years to do so.

Since a 75-year-old man has an average life expectancy of about 10 years and is more likely to die from other causes such as heart disease or stroke, prostate cancer screening is unlikely to help men over 75 live longer.

For the same reasons, men younger than 75 with chronic medical problems and a life expectancy of fewer than 10 years are also unlikely to benefit from screening.

There are also harms associated with prostate cancer screening, which include biopsies, unnecessary treatment and false-positive results that may lead to anxiety. Complications often result from treating prostate cancer and may include urinary incontinence and impotence.

These slow-growing cancers may never have affected a patients health or well-being had they not been detected by screening.

Because many prostate cancers grow slowly, early detection may not benefit a patients health and in some cases may even cause harm, said Task Force Chair Ned Calonge, M.D., M.P.H., who is also chief medical officer for the Colorado Department of Public Health and Environment.

We encourage men younger than 75 to discuss with their clinicians the potentialbut uncertainbenefits and the possible harms of getting the PSA test before they decide to be screened, Ned added. (ANI)

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