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Original Research

Open Access

IS DIGITAL RECTAL EXAMINATION STILL VALUABLE FOR MEASURING THE PROSTATE VOLUME IN CLINICAL PRACTICE?

  • Yeong Uk Kim1
  • Ki Hak Moon1
  • Phil Hyun Song1

1Department of Urology, Yeungnam University College of Medicine, Daegu, Korea

DOI: 10.31083/jomh.v16i3.296 Vol.16,Issue 3,July 2020 pp.147-155

Published: 16 July 2020

*Corresponding Author(s): Phil Hyun Song E-mail: sph04@hanmail.net

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Abstract

Background and objective

To investigate the usefulness of digital rectal examination (DRE), a cost-effective and simple way to mea-sure prostate volume versus transrectal ultrasound (TRUS), and the gold standard method for measuring prostate volume.

Material and methods

From 2018 to 2019, a total of 580 patients who underwent DRE and TRUS for the initial evaluation of benign prostatic hyperplasia (BPH) were included in this study. DRE was performed twice at two appointments by a single urologist, and TRUS was performed once by a single radiologist. The patients were divided into seven groups according to TRUS-estimated prostate volume (A, <30 cc; B, 30–39 cc; C, 40–49 cc; D, 50–59 cc; E, 60–69 cc; F, 70–79 cc; G, >80 cc). We investigated the agreement between the TRUS and DRE measurements.

Results

There was a high percent agreement of DRE and TRUS in groups B–D (84.6, 84.1, and 79.1%, respectively). The highest over- and underestimations of prostate volume on DRE were 23.1 and 79.5% in groups A and G, respectively. In the Bland–Altman plot, the mean difference between TRUS and DRE in group A–D was closer to zero-line than that in groups E–G. The variability in differences between TRUS and DRE in groups A, B, and C was lower than that in groups D, E, F, and G.

Conclusion

DRE was accurate in measuring the prostate volume of 30~49 cc. We suggested that DRE remains a simple and cost-effective method for measuring prostate volume.

Keywords

digital rectal examination; prostate volume; transrectal ultrasound

Cite and Share

Yeong Uk Kim,Ki Hak Moon,Phil Hyun Song. IS DIGITAL RECTAL EXAMINATION STILL VALUABLE FOR MEASURING THE PROSTATE VOLUME IN CLINICAL PRACTICE?. Journal of Men's Health. 2020. 16(3);147-155.

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