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complexed prostate-specific antigen (cPSA) test


Definition: a serum test to detect PSA complexed to a1-antichymotrypsin; cPSA appears to be more specific for detection of prostate cancer at low total levels of PSA than measurement of total PSA and free:total PSA ratios.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.