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Urol Ann. 2019 Apr-Jun;11(2):135-138. doi: 10.4103/UA.UA_151_18.

Incidence of prostate cancer among patients with prostate-related urinary symptoms: A single institution series in 10 years.

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1
Department of Urology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.

Abstract

Purpose:

The aim of the study is to correlate between the value of digital rectal examination (DRE), serum prostate-specific antigen (PSA), and transrectal ultrasound (TRUS) as predictors for diagnosing prostate cancer in patients with voiding symptoms.

Materials and Methods:

A total of 1610 male patients seen over a period of 10 years in a single institution had prostate-related voiding problems. Routine studies including DRE and serum PSA were done to all patients. TRUS and TRUS biopsy were performed for patients with suspected prostatic cancer based on abnormal DRE findings and/or serum PSA levels.

Results:

TRUS biopsy revealed prostate cancer in 206 out of 1610 patients with prostate-related voiding problems (13%), 40% had abnormal PSA and 28% had abnormal DRE. Combined abnormal PSA and DRE revealed cancer in 63% of patients. This percentage increased to 90% when TRUS was also abnormal, but dropped to 54% when TRUS was normal.

Conclusions:

DRE together with serum PSA and TRUS have the highest predictable values for diagnosis of prostate cancer among patients with voiding symptoms. In the absence of abnormal TRUS, PSA and DRE together are more predictable than either alone. Serum PSA alone is more predictable than DRE. Random prostate biopsies should be performed in the presence of high serum PSA, and/or abnormal findings by DRE in male patients with urinary symptoms suggestive of the prostate disease.

KEYWORDS:

Digital rectal examination; prostate biopsies; prostate cancer; prostatic specific antigen; transrectal ultrasound; voiding symptoms

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