Role of Prostate Specific Antigen, Digital Rectal Examination and Trans Rectal Ultra Sonography in the Diagnosis of Lower Urinary Tract SymptomsProstate Cancer in Patients with
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

Research Paper | Medical Science | India | Volume 2 Issue 3, March 2013

Role of Prostate Specific Antigen, Digital Rectal Examination and Trans Rectal Ultra Sonography in the Diagnosis of Lower Urinary Tract SymptomsProstate Cancer in Patients with

Sunanda De, Ranjit Kumar Das, Sanhita Mukherjee

The aim of this study is to compare the role of prostate specific antigen [PSA], digital rectal examination [DRE] and Trans rectal Ultrasonography [TRUS] in detection of prostate cancer among patients presenting with lower urinary tract symptoms [LUTS] and having International Prostate Symptoms Score [IPSS] not less than 7. This study was carried out in I.P.G.M.E.R and S.S.K.M Hospital, Kolkata, West Bengal, India, from March 2011 to March 2012.Sixty patients presenting with LUTS and with IPSS not less than 7, had been screened for prostate cancer using PSA estimation, DRE and TRUS. Trans rectal sextant prostate biopsy was performed in all patients. The PSA estimation revealed 85% sensitivity and 72.5% specificity for the patients with serum total PSA level >10 ng/ml. The positive predictive value [PPV] was 60.7%. If 4 ng/ml is taken as lower cut off value for serum total PSA, the sensitivity increases to 95% whereas specificity reduces to 46.66% and PPV becomes 50%.DRE alone showed 60% sensitivity, 92.5% specificity and 80% PPV for the diagnosis of carcinoma prostate. TRUS has got highest sensitivity [75%], highest specificity [85%]. But the PPV was 71.43%. When DRE and serum PSA >10ng/ml was combined the sensitivity and specificity was raised to 90% and 70% respectively. The PPV was 60%. This was almost comparable with the combination of DRE, serum PSA>10ng/ml and TRUS which has got 90% sensitivity and 85% specificity. The PPV was 75%. None of the single screening tools has got that much efficacy in differentiating carcinoma of prostate from benign hypertrophy of prostrate in patients with LUTS Combining PSA, DRE and TRUS increases sensitivity, specificity and PPV of PC detection.

Keywords: LUTS, Prostate Specific Antigen, Digital Rectal Examination, Trans rectal ultrasound, Prostate Cancer

Edition: Volume 2 Issue 3, March 2013

Pages: 29 - 33

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Sunanda De, Ranjit Kumar Das, Sanhita Mukherjee, "Role of Prostate Specific Antigen, Digital Rectal Examination and Trans Rectal Ultra Sonography in the Diagnosis of Lower Urinary Tract SymptomsProstate Cancer in Patients with", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=IJSRON2013474, Volume 2 Issue 3, March 2013, 29 - 33

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Research Paper, Medical Science, India, Volume 2 Issue 3, March 2013

Pages: 29 - 33

Role of Prostate Specific Antigen, Digital Rectal Examination and Trans Rectal Ultra Sonography in the Diagnosis of Lower Urinary Tract SymptomsProstate Cancer in Patients with

Sunanda De, Ranjit Kumar Das, Sanhita Mukherjee

Share this Article
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