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Related Experiment Video

Updated: Feb 16, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
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A case of giant prostatic hyperplasia.

Luke Wang1, Paul Davis1, Kevin McMillan1,2

  • 1Department of Urology, Eastern Health, Nelson St, Box Hill, Victoria, Australia.

Asian Journal of Urology
|December 22, 2017
PubMed
Summary

Giant prostatic hyperplasia (GPH) is a rare condition causing bladder outlet obstruction. This report details an 800 mL GPH case, one of the largest ever documented, highlighting its extreme rarity.

Keywords:
HaematuriaIndwelling cathetersProstateProstatic hyperplasiaUrology

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Area of Science:

  • Urology
  • Andrology
  • Pathology

Background:

  • Benign prostatic hyperplasia (BPH) is a common condition in aging males.
  • BPH frequently causes bladder outlet obstruction and macroscopic haematuria.
  • Giant prostatic hyperplasia (GPH) represents an extremely rare variant of BPH.

Observation:

  • This study presents a clinical case of a patient diagnosed with GPH.
  • The resected prostatic tissue volume measured an extraordinary 800 mL.
  • This volume is among the largest recorded prostatic hyperplasia cases in medical literature.

Findings:

  • The patient presented with symptoms consistent with significant bladder outlet obstruction.
  • Histopathological examination confirmed the diagnosis of benign prostatic hyperplasia.
  • The sheer size of the prostate (800 mL) is the primary finding of this case report.

Implications:

  • This case expands the understanding of the potential size extremes of GPH.
  • It underscores the importance of considering rare, large-volume pathologies in differential diagnoses for obstructive lower urinary tract symptoms.
  • Further research into the factors contributing to GPH development may be warranted.