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March 5, 2010

American Cancer Society urges more education on prostate cancer screening

Doctors should educate their patients better about the risks and benefits of prostate cancer screening, according to new guidelines from the American Cancer Society.

Physicians should discuss the downsides to the blood test, known as prostate-specific antigen screening, or PSA, including potential diagnosis of cancers that may never harm them or kill them and along the way, exposing them to unnecessary treatment, the recommendations say.

The guidelines also question the use of digital rectal exams saying they should be considered optional, not a standard part of screening.

The guidelines come on the heels of several studies that raise doubts about PSA testing. The recommendations reference early findings of two long-range studies underway about screening.

In one, researchers randomly assigned 76,600 men to two groups. One received annual PSA tests for 6 years and digital rectal examinations every year for 4 years and the other was the control. Researchers found little difference in prostate cancer death rates between the two groups after 7 years and again after a decade.

We reported here about a study last year raising concerns that men are being overtreated for the disease and as a result, subjected to unnecessary biopsies and treatment. And another study published last year in the Journal of the American Medical Association found that men are not getting adequate counseling from their doctors on the risks of screening

Of course, not everyone is on board with this reasoning. The American Urological Association agrees with better education but stands by its recommendations that men start PSA testing at age 40.

Meanwhile, the American Cancer Society says at 50, men should simply begin weighing the options of this test. (With the exceptions of people at higher risk: African Americans or someone with a relative with prostate cancer before age 65. They should start evaluating the test at age 45, ACS says)

Confused yet?

It's not easy. The screening debates have been huge medical news of late and the more I talk to patients, the more confusion I hear. The bottom line: these are guidelines not hard and fast rules. Experts of all stripes tend to agree that patients should educate themselves and talk to their doctor when making screening choices. 
Posted by Kelly Brewington at 1:18 PM | | Comments (4)
Categories: Cancer, Men's health
        

Comments

As an accidental prostate cancer survivor (diagnosed with Stage T2C prostate cancer when I had a negative DRE and a 3.2 PSA - both putting me in the "normal" range) believe that the issue is not early detection of prostate cancer, but treatment decisions made following diagnosis. Prostate cancer is almost a mirror image of breast cancer, and it kills almost 29,000 men each year. What is needed is a better method of determining which cancers are aggressive and which are not. in my view, convincing men, who already are reluctant to talk about this disease because of feared treatment consequences, that they do not need to test until later in life simply condemns more men to dying from the disease. We often hear something like this: "Don't worry about prostate cancer because chances are you will die from something else." If that is truly the case, why have over 1 million men perished from prostate cancer since the War on Cancer was declared in 1971? Although I am not a medical doctor, just a 6 year accidental prostate cancer survivor, i would suggest that every man begin PSA testing at age 35 and track any change in value year-over-year. This would allow us to detect aggressive cases early and perhaps generate a database that would allow for better treatment. I am riding across the US and back this summer to raise awareness about this issue. Please join me for a portion of the ride: http://www.tourdeusa.org. Robert Hess, President, Prostate Cancer Awareness Project, Accidental Prostate Cancer Survivor, Class of 2003.

Any discussion of prostate cancer is incomplete without mentioning a common side effect of surgical removal of the prostate; Peyronies Disease. This disease, for which there is no satisfactory treatment, results from formation of penile scar tissue, makes intercourse difficult or impossible and is often accompanied by excruciating pain. It was reported in the July 2008, edition of Medical News Today that almost 20% of men developed this condition after removal of the prostate.

When I developed this condition, I was unaware that a disease like this even existed. In frustration, I started an informational website, www.curepeyronies.net Every email I get describes a man in a desperate situation with nowhere to turn. Urologists must do a better job of informing patients of this rather common side effect, so they will be able to give informed consent before undergoing treatment.

First off, prostate cancer is a terrible disease and I commend urologists in their fight and plight against this scourge. That said, the PSA test is not a specific test, it is not a sensitive test. Screening tests are generally given to populations that are mainly without disease, so when there is an error it often falls in the majority group, ie the people without disease, i.e. a false positive result. If there is a positive finding the follow-up test, prostate biopsy is both expensive and poses a not insignificant risk to the patient. If the result was not a false positive their is then no good way to stratify which are the very slow growing prostate cancers which might be addressed with "watchful waiting" versus the more malignant and aggressive types. Finally if one chooses to intervene there is no home run treatment in fact its hard to say whether the treatments are often really of much benefit at all in terms of over all mortality while they carry a significant risk of long term complications. Evidently, two recent studies have now also supported that PSA screening is not of benefit and may actually be harming patients from the unnecessary procedures secondary to false positives.

So likely the PSA test isn't worth it, which then brings up a related question which may sound flippant but I think is entirely reasonable. Unless you have Dr. Goldfinger, the dreaded finger wave is a worse test than even PSA as a screening test. Is their any rationale reason for a digital rectal exam as a routine urologic screening?
http://healthjournalclub.blogspot.com/

I like very much what Mr. Hess said. Truly a contrarian and source of wisdom in the midst of all this "informed consent" banter regarding prostate cancer screening. Ps. when will you be riding through the Atlanta area?

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About Picture of Health
Meredith CohnMeredith Cohn has been a reporter since 1991, covering everything from politics and airlines to the environment and medicine. A runner since junior high and a particular eater for almost as long, she tries to keep up on health and fitness trends. Her aim is to bring you the latest news and information from the local and national medical and wellness communities.

Andrea K. WalkerAndrea K. Walker knows it’s weird to some people, but she has a fascination with fitness, diseases, medicine and other health-related topics. She subscribes to a variety of health and fitness magazines and becomes easily engrossed in the latest research in health and science. An exercise fanatic, she’s probably tried just about every fitness activity there is. Her favorites are running, yoga and kickboxing. So it is probably fitting that she has been assigned to cover the business of healthcare and to become a regular contributor to this blog. Andrea has been at The Sun for nearly 10 years, covering manufacturing, retail , airlines and small and minority business. She looks forward to telling readers about the latest health news.
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