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The Utility of Early Detection and Screening of Prostate Cancer Gets Questioned
PSA screening cannot predict if a prostate cancer is aggressive or not. The cancer may be lethal or nonlethal. An early detection and screening is definitely useful for a man with a lethal prostate cancer, but this is not the case with one having a nonlethal form of the cancer. Men with nonlethal prostate cancer gain no benefits at all. These men get ‘over diagnosed’ and ‘over treated’. ‘Over diagnosis’ adds up the burden of carrying a cancer diagnosis while ‘over treatment’ leads to purely unwanted side effects that they never deserved.
The success of a screening test depends on its capacity to find the disease that requires cure, and on its power to meliorate disease-specific mortality. PSA screening may provide no benefits at all for men with low baseline values.
The cut-off for PSA levels vary with age. A study was done by a team lead by Pim van Leeuwen, MD, of the Erasmus University Medical Centre in Rotterdam, the Netherlands. They attempted to make out if the baseline PSA can predict which men have most benefit from screening.
The study has indicated that a man’s PSA level before diagnoses is indeed a good predictor for his dying from prostate cancer, but the benefit of such a screening is limited for men aged 55 to 74 years with low baseline PSA values. Instead, over treatment and increased costs walk in. A developing country like India cannot afford this. Further studies are recommended.
Article: “Balancing the harms and benefits of early detection of prostate cancer.” Pim J. van Leeuwen, David Connolly, Teuvo L.J. Tammela, Anssi Auvinen, Ries Kranse, Monique J. Roobol, Fritz H. Schröder, and Anna Gavin. CANCER; Published Online: September 13, 2010 (DOI: 10.1002/cncr.25474).
Source: CANCER, a peer-reviewed publication of the American Cancer Society
Source-Medindia
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More News on: Prostate Cancer, Cancer and Homeopathy, Check your prostate gland, Prostatitis Symptom Score Calculator, Trans-Urethral Resection of the Prostate, Prostate Cancer Facts, Cancer Facts, Cancer, Tattoos A Body Art, Hematuria
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