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2004 MAR 4 - (NewsRx.com & NewsRx.net) -- Certain screening tests for cancer are of unproven value and should not be advocated, argues a senior doctor.
The blood test for cancer of the prostate (PSA) is an example, wrote Professor Malcolm Law at the Wolfson Institute of Preventive Medicine. Despite there being no published trials showing that early detection reduces mortality, and separate evidence that it may not reduce mortality, many healthy men have been tested and have received treatment that can cause incontinence, impotence and other complications.
While mammography and cervical smears have been shown to reduce cancer mortality and are to be strongly recommended, breast and testicular self-examination are further examples of the failure to apply scientific rigor to screening, he said in the British Medical Journal.
Self-examination has been widely advocated on ...
Source: HighBeam Research, Not all tests should be advocated.