## Background: The measurement of prostate specific antigen (psa) is widely used in screening programs for early detection of prostate cancer. however the specificity for cancer detection is limited because serum psa is also elevated in patients with benign prostatic-hyperplasia (bph) and/or prosta
The Value of PSA, Free-to-total PSA Ratio and PSA Density in the Prediction of Pathologic Stage for Clinically Localized Prostate Cancer
✍ Scribed by Güven Aslan; Bora İrer; Aykut Kefi; İlhan Çelebi; Kutsal Yörükoğlu; Adil Esen
- Publisher
- Springer Netherlands
- Year
- 2005
- Tongue
- English
- Weight
- 185 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0301-1623
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## Background: Measurement of the free fraction of total prostate-specific antigen (fpsa%) has been proposed as a useful addition to total psa for the detection of prostate cancer. ## Methods: We assessed the performance of fpsa% in differentiating men with prostate cancer from men without cancer
## Abstract ## BACKGROUND The objective of this study was to evaluate the prostate specific antigen (PSA) density (PSAD) (the quotient of PSA and prostate volume) compared with the percent free PSA (%fPSA) in different total PSA (tPSA) ranges from 2 ng/mL to 20 ng/mL. Possible cut‐off levels depen
The purpose of this study was to analyze the role of total prostate-specific-antigen (PSA) and free-PSA levels in the diagnosis and clinical staging of prostate cancer. We determined total-PSA serum concentration and free-PSA percentage in 352 patients, 234 with benign prostatic hyperplasia (BPH) an