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  • Title: [Prostate cancer].
    Author: Uchida K, Akaza H.
    Journal: Gan To Kagaku Ryoho; 2001 Oct; 28(10):1469-74. PubMed ID: 11681260.
    Abstract:
    Prostate specific antigen (PSA) has been widely used as a tumor marker for screening, diagnosis and monitoring of prostate cancer. Use of PSA is very important for diagnosis during the primary screening for the early detection of prostate cancer. The presence of various PSA assays and with no uniform serum data have led to confusion among clinicians in the evaluation of serum data. The characteristics of each PSA assay, such as the equimolar or skewed type, must be taken into consideration at the time of use. For the early detection of prostate cancer, PSA density (PSAD), PSA adjusted for the transiton zone volume (PSATZ) and free to total PSA ratio may be useful in the selection of patients with intermediate PSA levels who should undergo prostate needle biopsy.
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