Fine tuning the PSA sledgehammer

San Diego Dan has posted a link to an interesting article on various approaches to refining the PSA test. As I said a while ago a raised PSA really only shouts “Have more tests” since it is possible to have prostate cancer with a PSA of zero and to not have it with a PSA of 4,000. Factors such as how much time you spend on the saddle of a bicycle will have an impact on your PSA level. Then there is the question of whether the cancer is aggressive or not. If you can tell this then a lot of unnecessary treatment can be avoided. While I wouldn’t say avoid hospitals and treatment at all costs (and in the US personal costs can be significant) certainly if unnecessary treatments can be avoided not only does it save money it also avoids all the various side effects and risks associated with any medical intervention. The article explains that researchers are developing genetic tests, imaging tests, and algorithms in an effort to reduce the more than a million men a year who have prostate biopsies and, even more important, reduce the thousands who get treatment they don’t need.

https://www.statnews.com/2017/05/04/prostate-cancer-research-psa/

 

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