alexa Detection rate of prostate cancer using prostate specific antigen in patients presenting with lower urinary tract symptoms: a retrospective study.
Immunology

Immunology

Journal of Clinical & Cellular Immunology

Author(s): Chavan PR, Chavan SV, Chavan NR, Trivedi VD

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Abstract BACKGROUND: Need for undertaking prostate biopsies for detection of prostate cancer is often decided on the basis of serum levels of prostate specific antigen (PSA). AIM: To evaluate the case detection rate of prostate cancer among patients presenting with lower urinary tract symptoms (LUTS) on the basis of PSA levels and to assess the scope of prostate biopsy in these patients. SETTING AND DESIGN: A retrospective study from a tertiary care center. MATERIALS AND METHODS: The clinical and histopathological data of 922 patients presenting with LUTS in the last five years was obtained from the medical record section. They had been screened for prostate cancer using PSA and /or digital rectal examination examination followed by confirmation with prostate biopsy. STATISTICAL ANALYSIS USED: Detection rate and receiver operating characteristic curve were performed using SPSS 16 and Medcalc softwares. RESULTS: The detection rate of prostate cancer according to the PSA levels was 0.6\%, 2.3\%, 2.5\%, 34.1\% and 54.9\% in the PSA range of 0-4, 4-10, 10-20, 20-50 and> 50 ng/ml, respectively. Maximum prostate cancer cases were detected beyond a PSA value of 20 ng/ml whereas no significant difference in the detection rate was observed in the PSA range of 0-4, 4-10 and 10-20 ng/ml. CONCLUSION: A low detection rate of prostate cancer observed in the PSA range of 4-20 ng/ml in LUTS patients indicates the need for use of higher cutoff values of PSA in such cases. Therefore we recommend a cutoff of 20 ng/ml of PSA for evaluation of detection rate of prostate cancer among patients presenting with LUTS.
This article was published in J Postgrad Med and referenced in Journal of Clinical & Cellular Immunology

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