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  • Title: Serum prostate-specific antigen determination in prostatic carcinoma.
    Author: Tizzani A, Casetta G, Piana P, Bellina M, Pecchio F, Aimo G, Adamo R.
    Journal: Int J Biol Markers; 1987; 2(3):184-6. PubMed ID: 2453594.
    Abstract:
    Prostate-specific antigen (PSA) is a tissue-specific glycoprotein identified by Wang in 1979. It is synthesized in the prostate independently of prostatic acid phosphatase (PAP). A total of 199 subjects were divided into four groups: controls aged less than 50 years, controls aged more than 50 years, patients with benign prostatic hyperplasia (BPH) and patients with prostatic carcinoma. PSA cut-off value was set at 10 ng/ml (mean for the BPH group plus 2 SD). With this cut-off value PSA could not be used as an early predictor of prostatic carcinoma. The association of PSA and PAP in prostatic cancer increases the number of patients with positive biological markers.
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