Producers Resource Center

Overdiagnosis Of Prostate Cancer In Men Likely

Over 1 million additional men were likely to have been incorrectly diagnosed and treated for prostate cancer.

Researchers indicated that over the past two decades, the introduction of prostate-antigen screening, or PSA, has resulted in the overdiagnosis reported in a new study published online by the Journal of the National Cancer Institute.

 The report notes that overdiagnosis has been associated with early diagnosis in prostate cancer, but there have been no previous national estimates of its magnitude.  Nearly 800,000 American men are diagnosed with cancer each year according to the American Association for Critical Illness Insurance, the national trade organization.  Prostate cancer accounts for 10 percent of all cancer-related deaths.


Using data from the National Cancer Institute’s Surveillance, Epidemiology, and End Results program, researchers at the Dartmouth Institute for Health Policy & Clinical Practice examined age-specific prostate cancer incidence rates in American men diagnosed and treated in each year after 1986.   The PSA screening was introduced in 1987.


According to the study, an additional 1.3 million men were diagnosed.  These they note would otherwise have never been diagnosed absent screening, and more than 1 million have been treated since 1986.


The increased diagnosis has been most dramatic among younger men.  The diagnosis for prostate cancer has more than tripled since 1986 in men aged 50-59 (from 58.4 to 212.7 per 100, 000) and more than a sevenfold increase in men under age 50 (from 1.3 to 9.4 per 100,000).

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