Measuring PSA forms may lower number of biopsies


Baltimore-For patients with total PSA levels in the range of 2.5 to 4.0 ng/mL, measuring the proportion of precursor forms of PSA (pPSA) relative to free PSA (fPSA) may significantly lower the number of unnecessary biopsies compared with measuring percent-free PSA (%fPSA) alone, a new study suggests.

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