Nanoparticle PSA test predicts if prostate cancer will return: Ultrasensitive test gives first accurate answer after prostate cancer surgery

Conventional PSA tests aren't sensitive enough to show if men are cured after having a cancerous prostate gland removed. New research shows an ultrasensitive PSA test using nanoparticle-based technology may be able to definitively predict after surgery if the cancer is cured or if it will recur. The new test is 300 times more sensitive than currently available and may pick up cancer recurrence at a much earlier stage.

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