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prostate-specific antigen Syllabification: pros·tate-spe·cif·ic an·ti·gen
(abbreviation: PSA)

Definition of prostate-specific antigen in English:


An antigenic enzyme released by the prostate and found in abnormally high concentrations in the blood of men with prostate cancer.
Example sentences
  • Men middle-aged and older routinely get blood tests for prostate-specific antigen, or PSA, to screen for prostate cancer.
  • The treatment also increases blood concentrations of prostate-specific antigen, or PSA, a marker associated with prostate cancer and prostate enlargement.
  • In light of the urinary symptoms, he then had his blood tested for prostate-specific antigen, a protein elevated in prostate cancer.
Definition of prostate-specific antigen in:
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