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The effect of prostatitis, urinary retention, ejaculation, and ambulation on the serum prostate-specific antigen
1Michigan Prostate Institute, Ann Arbor, USA.
The Urologic Clinics of North America
|May 1, 1997
Abstract:
PSA remains an immensely valuable tool in the diagnosis of prostate adenocarcinoma. Factors such as prostatitis, urinary retention, ejaculation, and inpatient versus outpatient measurement, however, may have a profound effect on the serum PSA concentration. Furthermore, prostate biopsy and TURP result in an increase in the serum PSA value that resolves in 4 to 6 weeks. It is imperative that these factors be taken into account to interpret serum PSA values, to optimize the diagnostic utility of the PSA test.