Detecting The Undetectable In Prostate Cancer Screening

Researchers, using an extremely sensitive tool based on nanotechnology, have detected previously undetectable levels of prostate-specific antigen (PSA) in patients who have undergone radical prostatectomy. With technology 300 times more sensitive than commercially available PSA tests, the researchers found measureable PSA levels in each post-operative patient in its study. After the removal of the prostate gland, patients typically have PSA levels that are undetectable when measured using conventional diagnostic tools.

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