Definition: 'Complexed Prostate-specific Antigen (cPSA) Test'
complexed prostate-specific antigen (cPSA) testType: Term
1. a serum test to detect PSA complexed to α1-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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