Prostatic Specific Antigen

Prostatic specific antigene is kalikrein-like serotonine protease. It is organ specific tumor marker for prostatic cancer, is produced by secretory epithelial cells.

Normal Value
Normal value is < 4 ng/ml, but with exceptions(!), this value changes with age of man.

Possible Characteristics of PSA

 * free/total PSA
 * PSAD (density) = PSA/body weight
 * PSAV (velocity) = increase per 1 year
 * PSADT (doubling time)

Related Articles

 * Prostatic Carcinoma